AstroWeb: Optical Telescopes
APS Catalog of POSS I
The APS Catalog of the POSS I contains millions of
entries for stars and galaxies, and the corresponding Image Database
contains their pixels and more. The data behind the Object
Catalog and Image Database are generated from digitized Palomar Observatory
Sky Survey plates. Object Catalog entries include calibrated magnitudes in
two colors, positions to 0.2 arcseconds, confidence measures on neural
network image classifications, colors, and various other useful parameters.
Advanced Camera for Surveys
The Advanced Camera for Surveys (ACS) will be installed in
the Hubble Space Telescope (HST) during a Space Shuttle mission
scheduled in 2000. ACS will increase the discovery efficiency of
the HST by a factor of ten. ACS will consist
of three electronic cameras and a complement of filters and
dispersers that detect light from the ultraviolet at 1200 angstroms
to the near infrared at 10,000 angstroms.
Air Force Maui Optical Station
Information about the Air Force Maui Optical Station (AMOS), located
on Maui, Hawaii. This is a dual-use facility, supporting both
US government agencies as well as the civilian community. Assets
include visible and IR sensors, and a 3.67 meter telescope
Andromeda Galaxy and Amplified Pixels Experiment
AGAPE (Andromeda Galaxy and Amplified Pixels Experiment) is a French
collaboration between CNRS (IN2P3 and INSU) and
CEA (DSM/DAPNIA) laboratories.
The project is a search
for microlensing on unresolved stars of the Andromeda M31 galaxy
by MACHOs (baryonic dark matter candidates) of the halo of
the Milky Way as well as of the halo of
Anglo-Australian Telescope / Schmidt Telescope Unit
(AAT / STU)
Apache Point Observatory
APO is privately owned and operated by the Astrophysical Research
Consortium. Located near Sunspot, New Mexico, the observatory consists of
a 3.5-meter telescope, the 2.5-meter Sloan Digital Sky Survey telescope,
and two smaller telescopes.
Links to Automated telescopes on the Internet.
Brown University - Astronomy
Lists Faculty, Courses, Brown Observatories, etc.
Brown University - Observatories
Bucknell University Observatory
The CHARA Array will consist of five 1-m aperture telescopes
(with an eventual goal of seven) in a Y-shaped array
contained within a 400m diameter circle. This configuration will provide
high resolution interferometry in the visible spectral region as well
as the K spectral band (2.2 micron), with a limiting
resolution of 0.2 milliarcsec in the visible.
Cagliari Astronomical Observatory
(International Latitude Station)
The Cagliari Astronomical Observatory was established as International Latitude Astronomical
Station of Carloforte in 1899, a small town of the
sardinian island of S. Pietro. It has been, for about
80 years, one of the five international stations devoted to
study the Earth rotation and polar motion. Observations with the
zenital telescope were carried out, except in the period of
the second world's war. Starting from 1978, the headquarters were
moved to Punta Sa Menta, a site 15 km far
from Cagliari which has the same latitude of the Carloforte
station. (Satellite Laser Ranging, Astrophysics, Planetary Dynamics, Time Laboratory, Data
Calar Alto Observatory
(Centro Astronomico Hispano-Aleman)
The German-Spanish Astronomical Center at Calar Alto is located in
the Sierra de Los Filabres in Southern Spain. It operates
four telescopes with apertures from 1.2m to 3.5m as well
as a Schmidt reflector. A 1.5m-telescope is operated under the
control of the Observatory of Madrid.
Cambridge Optical Aperture Synthesis Telescope
Canada France Hawaii Telescope
CFHT is a joint facility of the National Research Council
of Canada, the Centre National de la Recherche Scientifique of
France, and the University of Hawaii. The CFH observatory hosts
a world-class, 3.6 meter optical/infrared telescope. The observatory is located
atop the summit of Mauna Kea, a 4200 meter, dormant
volcano located on the island of Hawaii. The CFH Telescope
became operational in 1979.
There is a Mirror
copy of the Web site at CDS.
A CFHT page at CADC has information about the
CFHT archive, CCDs, proposal template and manuals.
Canada France Hawaii Telescope (ftp)
Canada France Hawaii Telescope - Archive at CADC
All the CFHT data are now being archived since September
18, 1992 and the proprietary period is 2 years. After
that time, they become public and are available world wide.
Carnegie Institution Observatories
Carter Observatory is the National Observatory of New Zealand.
Catania Astrophysical Observatory
Daily solar images (chromosphere and photosphere).
Cecil and Ida Green Piñon Flat Observatory
Center for Astronomical Adaptive Optics
The Center's mission is to develop state-of-the-art adaptive optics systems
for the many large telescope projects currently under development by
Steward Observatory in collaboration with a number of partners
Center for High Angular Resolution Astronomy
Cerro Tololo Interamerican Observatory
Cerro Tololo Interamerican Observatory is a complex of astronomical telescopes
and instruments located approximately 80 km to the East of
La Serena, Chile at an altitude of 2200 Meters.
is operated by the Association of Universities for Research
in Astronomy Inc. (AURA), under a cooperative agreement with the
National Science Foundation as part of the National
Optical Astronomy Observatories.
Copenhagen University Observatory
Curtis Schmidt Telescope
The Curtis Schmidt telescope is a 0.61/.91 meter diameter Schmidt
telescope located at the Cerro Tololo InterAmerican Observatory, about
500 km north of Santiago, Chile. This telescope was originally
installed at the University of Michigan's Portage Lake Observatory in
1950, and moved to the much clearer skies of north
central Chile in 1966. Two thirds of the time on
this telescope is available to US and Chilean astronomers, with
the remaining one third reserved for astronomers from the Dept. of Astronomy at the University of Michigan.
DEep Near Infrared Survey of the Southern Sky
(DENIS - Leiden)
DENIS will be a complete deep near infrared survey of
the southern sky, with the objective to provide full coverage
in 2 near infrared bands (J at 1.25 micron and
K at 2.2 micron) and one optical band (I at
0.8 micron), using a ground-based telescope and digital array detectors.
The products of this survey will be databases of calibrated
images, extended sources, and small objects. In addition catalogs of
small and extended sources will be produced. We expect the
survey to be completed within five years; restricted access to
the databases is possible during the second half of the
survey. The production of catalogs (to be distributed) will take
a few additional years.
(Determining the distances to nearby galaxies)
We undertook a long term project, DIRECT, to obtain the
direct distances to two important galaxies in the cosmological distance
ladder -- M31 and M33, using detached eclipsing binaries (DEBs)
Danish telescopes around the world
David Dunlap Observatory, University of Toronto
The David Dunlap Observatory is located in Richmond Hill, Canada.
As part of the University of Toronto's Department of Astronomy
it operates optical telescopes for research, the largest being a
1.88m telescope. DDO is also a centre for student training
and public education.
Delta Scuti Star Network and Whole Earth Telescope
The Delta Scuti Star Network and Whole Earth Telescope are
both collaborations of astronomers all around the world, who observe
short period variable stars.
Digital Sky Survey
The Digitized Sky Survey comprises a set of all-sky photographic
surveys in E, V, J, R, and N bands conducted
with the Palomar and UK Schmidt telescopes. The Catalogs and
Surveys Branch (CASB) is digitizing the photographic plates to support
HST observing programs but also as a service to the
Images of any part of the sky
may be extracted from the DSS, in either FITS or
Digitized Sky Survey at LEDAS
This service provides access to digitized optical Schmidt plates forming
the STScI Digitized Sky Survey (DSS). The DSS is particularly
useful in producing finding charts. Users are able to tailor
the size of the output image (from 17" to 1°)
to suit their particular needs.
Dominion Astrophysical Observatory
The DAO is operated by the National Research Council of
Canada (NRC) through its Herzberg Institute of Astrophysics (HIA)
as a national centre for astronomical research within Canada, with
emphasis on UV, optical and IR astronomy. The Canadian
Astronomy Data Centre (CADC) is a group within the DAO
which is responsible for the Canadian archive of data from
the Hubble Space Telescope as well the archive of data
from the Canada France Hawaii Telescope. DAO's Facilty Manual is
ESO Bulletin Board
Midas; Computer; Info; Garching; La Silla; Sest; Pinboard
ESO-MIDAS Users Guide
ESO-MIDAS is the acronym for the European Southern Observatory -
Munich Image Data Analysis System which is developed and maintained
by the European Southern Observatory. The MIDAS system provides general
tools for image processing and data reduction with emphasis on
astronomical applications including imaging and special reduction packages for ESO
instrumentation at La Silla. Volume A describes the basic MIDAS
system with all general purpose facilities such as MIDAS Control
Language, all available commands, data input/output (including plotting and image
display), table system (MIDAS Data Base). Site specific features are
given in an appendix. Volume B describes how to use
the MIDAS system for astronomical data reduction. Application packages for
special types of data or reductions (e.g., long slit and
echelle spectra, object search, or crowded field photometry) are discussed
assuming intensity calibrated data. A set of appendices gives a
detailed description of the reduction of raw data from ESO
instruments. Volume C gives the detailed description for all commands
available. This volume is not available to remote users as
the complete volume as it is accessed via the MIDAS
Estacion Astronomica Rio Grande
European Southern Observatory
ESO, the European Southern Observatory, is a multinational organisation of
eight European member states. It operates astronomical observatories in Chile
and has its headquarters in Munich, Germany.
European Southern Observatory - Munich Image Data Analysis System
The European Southern Observatory, established in 1962, operates astronomical observatories
at La Silla (600 km north of Santiago de Chile)
and at Paranal (130 km south of Antofagasta). ESO's headquarters
are in Garching, just north of Munich, Germany. ESO is
supported by: Belgium, Denmark, France, Germany, Italy, The Netherlands, Sweden
and Switzerland. In Europe and in Chile, ESO has a
combined scientific, technical, adminstrative and visiting staff of around 400.
Gemini 8m Telescopes
The Gemini 8m Telescopes Project is an international project to
build two infrared-optimized telescopes. One telescope will be located on
Mauna Kea, Hawaii; the other will be on Cerro Pachon,
Georgia State University - Astronomy
CHARA = Center for High Angular Resolution Astronomy
Earth Satellite Ephemeris Service for brighter earth satellites.
Grove Creek Observatory, Australia
Grove Creek Observatory in NSW Australia, specializes in CCD imaging
and research. Accomodation available for visiting amateur astronomers.
Guillermo Haro Observatory
WAIS index to daily activity / instrument status information for
the NASA/ESA Hubble Space Telescope (HST). Files hst_status_* in stsci/hst_news
directory on STEIS are indexed.
Hard Labor Creek Observatory
Harvard-Smithsonian Center for Astrophysics
The CfA combines the resources and research facilities of the
Smithsonian Astrophysical Observatory and the Harvard College
Observatory under a single director to pursue studies of
those basic physical processes that determine the nature and evolution
of the universe. The CfA operates the Whipple Observatory in
Amado, Arizona, and the Oak Ridge Observatory in Harvard, Massachusetts.
There is also a Theory Group ).
Herzberg Institute of Astrophysics
The Herzberg Institute of Astrophysics (HIA)is the scientific institute within
the National Research Council of Canada which is responsible for
operating Canadian observatories. Subdivisions and related facilities of HIA include:
the DAO, DRAO, JCMT, CFHT, CADC, Gemini, and Solar Terrestrial
Hipparcos space astrometry mission: Professionals, amateurs, and educators in astronomer
should be interested in the (updated) Hipparcos astrometry mission www
page, maintained by ESA. The monumental Hipparcos and Tycho star
catalogues, with stellar positions, distances, and proper motions, double star
data, and photometry (including thousands of light curves) was completed
in June 1997. The 17-volume publication (including 6 ASCII CD-ROMs)
can be ordered via the www page; the main catalogues
can also be searched on-line, by object or sky region,
with hyperlinks to the principal annexes. An "Educational Page" offers
some ideas for observational projects for amateurs or for student
projects, with the facility to search for the periods of
variable stars interactively.
Hitachi Instruments, Inc. is a manufacturer and provider of high
efficiency diffraction gratings. We offer both standard catalog components and
custom made to order items.
Hubble Heritage Project
A striking astronomical image, created by the Hubble Heritage team,
is released at this site the first Thursday of every
month. As well as creating color images from the exposures
in the Hubble Telescope Data Archive, this project has voting
events for choosing observing targets at this website.
Hubble Space Telescope - pictures
Publicly released images from post-servicing observations by Hubble Space Telescope.
The images in this directory are in GIF format which
supports up to 256 colors (8-bits). They include 30 Doradus,
47 Tucanae, Comet 1993e, Eta Carinae, Mars, M31, M87, M100,
NGC1068, NGC2440, NGC6624, NGC7252, Nova Cygni, Orion (incl. animation), QSO1220+204,
the Saturn storm, SL-9, SN1987A (with rings), and SN1994I. The
images have originally been made available by the
Office of Public Outreach of the Space Telescope
Hubble Space Telescope Astrometry Science Team
See how astrometry, one of the oldest branches of astronomy,
uses the Hubble Space Telescope, one of the newest tools
of astronomy. Interrogate our home page to find out what
we do, who we are, and what we've done. Look
over our shoulder as we search for planets around a
nearby star. We use the Fine Guidance Sensors aboard the
Hubble Space Telescope (HST) to measure star positions, study binary
stars and study stellar motions. Primarily, stellar positions yield parallaxes
which provide information on distance. The distances to nearby stars
calibrate the entire astronomical distance scale. Monitoring star position may
reveal previously unseen companions. We search for planets near Proxima
Centauri and Barnard's Star. We also work to tie the
HIPPARCOS reference frame to an extragalactic (non-rotating) reference frame. We
study binary stars unresolvable using ground-based techniques. We inspect stars
to determine whether or not they are binary. We use
the Planetary Camera to obtain images of stars in globular
clusters. The precision with which we can measure positions is
so high, that after 3-5 years a second image will
show motions of stars in clusters 6 kpc distant.
Hubble Space Telescope picture gallery
a mousable sequence of press release photographs taken by the
NASA/ESA Hubble Space Telescope (HST).
Hubble Space Telescope public images and other information
images, movies and animations from some of the observations by
the NASA/ESA Hubble Space Telescope (HST). They are made available
by the Office of Public Outreach of the
Space Telescope Science Institute. See also:
TIFFs & GIFs ( Levay),
IAC / Observatorio Roque de los Muchachos
IAC / Observatorio del Teide
Information Bulletin on Variable Stars
The Information Bulletin on Variable Stars is a bulletin of
the Commissions 27 and 42 of the International Astronomical Union,
published by Konkoly Observatory, Budapest, Hungary.
Infra-Red Telescope Facility
The IRTF is a 3.0 meter telescope optimized for use
in the infrared. It was first built to support the
Voyager missions to Jupiter. It is now the National facility
for infrared astronomy providing continued support to planetary and deep
Also contains an Anonymous FTP
site: Manuals, Forms, Instrument information, Software tools.
Infrared and Optical Telescope Array
Institut d'Astrophysique Spatiale: French ISO Center
Space Astrophysics Institute (IAS), Orsay, hosts the French center for
ESA's Infrared Observatory (ISO) [text in French].
Instituto Nacional de Astrofísica, Óptica y Electrónica. Astrophysics Department
Information on the Large Millimeter Telescope an about the Cananea
Instituto de Astrofisica de Canarias Planetary Nebula Research Group
(IAC PN Group)
Members of the group; Research projects; Publications; Meetings
Interferometry Center of Excellence
The Interferometry Center of Excellence (ICE), at JPL, has been
established to ensure the development and maintenance of a leading
edge capability in optical and near-infrared interferometric astrometry and imaging.
Internet Amateur Astronomers Catalog / Archive
A mailing list and Web archive dedicated to saving the
deep-sky observations of amateur astronomers, with the widest possible range
of experience, instrumentation, and conditions. Protocol for submitting observations is
for one object or object group at a time, with
observing instrument and object name both mentiond in the Subject:.
To subscribe, send an email message with the text "subscribe
netastrocatalog" in the body to the address: "email@example.com". To access
the Web archive: http://www.tiac.net/users/lewkaren/netastrocatalog/maillist.html
Iowa Robotic Telescopes Facilities
The University of Iowa Physics and Astronomy Department maintains
these pages as a guide to our suite of robotic,
autonomous tasking telescopes. In addition to using these instruments for
teaching and faculty and student research, limited observing time is
made available to anyone with an interest in Astronomy and
a valid observing request.
Isaac Newton Group - La Palma
The Issac Newton Group consists of three telescopes, the 4.2
metre William Herschel Telescope, the 2.5 metre Isaac Newton Telescope,
and the 1 metre Jacobus Kapteyn Telescope. They are situated
at the Observatorio del Roque de los Muchachos, on the
island of La Palma in the Canary Islands, and are
operated by the Royal Observatories of the UK. This resource
contains documentation for many of the major instruments, details of
how to apply for time, brief descriptions of the telescopes,
details and status of the service programme, current telescope schedules,
weather information for La Palma, and pointers to other institutions
which share the site.
The site is mirrored at
http://www.ast.cam.ac.uk/ING/ for faster access to UK users.
Joint Astronomy Centre
The Joint Astronomy Centre incorporates the 15m James Clerk Maxwell
Telescope (JCMT) and the 3.8m United Kingdom Infrared Telescope (UKIRT)
on the 4200m summit of Mauna Kea along with the
Centre's Hawaii headquarters in Hilo. The facility is operated by
the Royal Observatory, Edinburgh on behalf of the Science and
Engineering Research Council of the United Kingdom, the Nederlandse Organisatie
Voor Wetenschappelijk Onderzoek and the National Research Council of Canada.
Kitt Peak National Observatory
There is also an anonymous ftp
The Konkoly Observatory of the Hungarian Academy of Sciences has
evolved from the private observatory of Miklos Konkoly-Thege. Konkoly founded
his observatory in 1871 in Ogyalla. Twenty-nine years later he
donated the telescopes and instruments to the Hungarian state. The
construction of Piszkesteto Mountain Station started in 1958. Three telescopes
currently operate there: a 60/90 cm Schmidt (since 1962), a
50 cm Cassegrain (since 1966) and an 1 m RCC
Kuiper Airborne Observatory
The Large Binocular Telescope (LBT) is a collaboration between the
University of Arizona, the Italian astronomical community, which is represented
by the Arcetri Astrophysical Observatory in Florence, and the Research
Corporation in Tucson. The goal of the LBT project is
to construct a binocular telescope consisting of two 8.4-meter mirrors
on a common mount. This telescope will be equivalent in
light-gathering power to a single 11.8-meter instrument. Because of its
binocular arrangement, the telescope will have a resolving power (ultimate
image sharpness) corresponding to a 23-meter telescope.
La Silla - ESO Facilities
Lake Afton Public Observatory
Leeds University - Astrophysics Group
Within the Department of Physics at Leeds University are three
research groups that work in Astronomy related areas. The Optical
Astronomy group is mainly interested in globular clusters and CCD
photometry. The Haverah Park group studies high energy cosmic rays
by various techniques. The Whipple group is attempting to detect
gamma rays with energies > 1TeV using air-Cherenkov detectors.
INACTIVE LINK ? - 13 ---
Loiano Telescopes - Bologna
The MACHO project is
searching for dark matter in the form of Massive Compact
Halo Objects (MACHOs) using gravitational microlensing. We search for these
events by monitoring over 10 million stars every night in
the LMC and Galactic bulge, using the dedicated 50-inch telescope
at Mt. Stromlo.
MDM Observatory was founded by the University of
Michigan, Dartmouth College, and the Massachusetts Institute
of Technology. Current operating partners include Michigan, Dartmouth,
MIT, Ohio State University, and Columbia University.
The Observatory is located on the southwest ridge of the
Kitt Peak National Observatory near Tucson, AZ. It
operates two telescopes: the 2.4-m Hiltner telescope and the 1.3-m
MONOPTEC's Fixed Shutter Dome
MONOPTEC licenses the Fixed Shutter Dome, an enabling technology in
observatory enclosures and satellite laser ranging systems. Four FSD's now
reside in Tokyo, Japan, as part of the Keystone Project.
Magnetic Classification Values of sunspots
Worldwide network; observations of sunspots; classifying to Zurich/McIntosh-system; generating values=Classification
Values after Malde (established in 1981; published in german mag.
Mauna Kea Observatories
Max-Planck-Institut fr Astronomie
The MPIA operates the Calar Alto Observatory as well as
conducting research in different areas of astronomy and astrophysics including
star formation, extragalactic objects, astrophysical theory, and instrumentation development.
(University of Texas, Austin)
McDonald Observatory is located 450 miles west of Austin, Texas,
in the Davis Mountains. At present, there are three operating
telescopes: 2.7-meter, 2.1-meter, and .76-meter reflectors. The Observatory is equipped
with a wide range of state-of-the-art instrumentation for imaging and
spectroscopy in the optical and infrared, and it boasts one
of the first and most productive lunar ranging stations.
Microvariability and Oscillations of Stars
MOST is Canada's first space science microsatellite and its first
optical space telescope project, aiming for launch in late 2001.
MOST is designed to measure (as its acronym implies) Microvariability
& Oscillations of STars in broadband light with a precision
of a few micromagnitudes over timescales from minutes to days.
The resulting eigenfrequency data will be used primarily for stellar
seismology, to probe the structure and ages of Sun-like stars,
magnetic stars, Wolf-Rayet stars and halo subdwarfs. The subdwarfs are
expected to yield age estimates which would place a meaningful
lower limit on the age of the Universe. MOST should
also be capable of confirming the presence of giant extrasolar
planets identified in Doppler surveys.
Mississippi State University - Department of Physics and Astronomy
The Physics and Astronomy Department home page contains information about
faculty, students, and departmental facilities. Research information and information about
the University's Howell Observatory is also available.
Mississippi State University - Howell Observatory
Mount Evans Meyer-Womble Observatory
Mt.Evans Meyer-Womble Observatory, elev. 4,303 meters, in the Colorado Rockies.
Dual 0.7 meter R-C telescopes, optical and mid-infrared instrumentation. Summer
access. Collaborations invited.
Mount Laguna Observatory
Mount Stromlo & Siding Spring Observatories - Australian National University
Includes the Australian AstroWeb site, and an Anonymous ftp
Mount Suhora Observatory
(Cracow Pedagogical University)
The Mt.Suhora Observatory is a part of Astronomy Department at
the Pedagogical University in Cracow, Poland. It is located in
Gorce mountain, near Koninki village, 60 km south-east of Cracow.
The scientific staff of 9 people works on photometry
of variable stars.
Mount Wilson Observatory
The mountain is host to several ongoing observing projects using
the onsite facilities. The observatory has two primary nighttime telescopes:
the 60-inch telescope, built in 1908 is home to the
HK Project and the Atmospheric Compensation Experiment; and the 100-inch
(Hooker) telescope, built in 1917, which is available to the
scientific community. Two solar observatories, the 60-foot tower telescope (operated
by USC), and the 150-foot tower telescope (operated by UCLA)
maintain long-term exploration of the magnetic activity behavior of the
Sun. There are also two interferometers onsite: the Infrared Spatial
Interferometer (ISI, operated by U.C. Berkeley), and the NRL Optical
Interferometer. The Telescopes in Education (TIE) Project operates a 24"
telescope, as well as the Snow Solar Telescope (built in
1904). Finally, a fully-robotic 32-inch Automatic Photoeletric Telescope (APT) is
operated by Tennessee State University.
Multimission Archive at STScI
The Multimission Archive at STScI is being developed to support
a variety of astronomical data archives, with the primary focus
on scientifically related data sets in the optical, ultraviolet, and
near-infrared parts of the spectrum.
Multiple Mirror Telescope Observatory (1)
Multiple Mirror Telescope Observatory (2)
Multiwavelength Milky Way
Images of the Milky Way galaxy in the light of
several spectral lines and continuum bands, spanning the electromagnetic spectrum
from radio to high-energy gamma-ray, are presented. The display is
interactive, allowing zooming and panning of the images, each of
which covers the entire sky within ten degrees of the
Galactic plane. Explanatory text and links to the data sources
and references are included. The Multiwavelength Milky Way site is
an educational service of the Astrophysics Data Facility at NASA
Goddard Space Flight Center.
Munich Image Data Analysis System (FTP)
This directory contains: README = This file; 9NNOV = Subdirectory
containing the 9NNOV release of MIDAS (only packages, patches and
documentation); courier = Directory containing the compressed postscript files of
the newsletter: MIDAS Courier.; calib = Directory with the ESO
calibration files for MIDAS.; linux = Directory containing binary versions
of MIDAS for PC/Linux.
WAIS index to abstracts from NASA's Selected Current Space Aeronautics
(SCAN) abstract service
NASA Shuttle flights - pictures
Pretty pictures from many NASA Shuttle flights, including STS-61 in
December 1993 to service the NASA/ESA Hubble Space Telescope (HST).
The images in this directory are mirrored from the site
NFO's Automatic Radio Linked Telescope
Observatory associated with Western New Mexico University in Silver
City, NM (USA).
National Astronomical Observatory of Spain
OAN is a 200 year old institution devoted to research
in astronomy that operates several observatories. The Yebes Observatory is
the site of a mm-wave 14m telescope devoted to spectroscopy
and VLBI. A 1.5m optical telescope is located at the
Calar Alto Observatory. The OAN is also the Spanish partner
of IRAM, which runs a 30m mm-wave telescope and a
5x15m mm-wave interferometer.
National Laboratory for Astrophysics
LNA is an Institute of the National Council for Scientific
and Technological Development (CNPq). At present, LNA supports 3 telescopes:
the 1.6-m Ritchey-Chretien and coudé, the 0.6-m Cassegrain and the
0.6-m telescope of the University of São Paulo.
National Optical Astronomy Observatories
catalogs, NSO, CTIO, KPNO
National Undergraduate Research Observatory
The National Undergraduate Research Observatory (NURO) at Lowell Observatory and
Northern Arizona University is a 0.8m telescope located on Anderson
Mesa south of Flagstaff, Arizona. NURO is a consortium of
Universities and small colleges to provide a research grade telescope
for undergraduate research and education.
New England Light Pollution Advisory Group
Information concerning improved outdoor lighting to reduce glare and obtrusive
Nordic Optical Telescope
(NOT, La Palma)
Oak Ridge Observatory
Observatoire de Haute-Provence
The Observatoire de Haute-Provence (OHP) is an optical observatory in
southeast France offering small and medium-sized observing facilities to astronomers
in France, Europe and abroad. Includes information about instruments and
Observatoire du Mont Mégantic
Observatorio Astronomico de La Plata
Faculty of Astronomical and Geophysical Sciences. The Observatory was established
in November 1883. Its principal tasks are research and teaching
in Astronomy and Geophysics.
Observatorio Astronómico Nacional
The Observatorio Astronómico Nacional (OAN) operates 3 telescopes (2.1m, 1.5m,
and 0.84m) up in the mountains of the Sierra San
Pedro Martir of Baja California. The observatory offices and workshops
are located in Ensenada, B.C. overlooking the Pacific ocean. OAN
is a part of the Instituto de Astronomía of the
Universidad Nacional Autónoma de México.
Observatorium Hoher List
Observatório Nacional, Brazil
(Rio de Janeiro)
Optical Correctors for Liquid Mirror Telescopes
One of the often cited limitations of liquid mirror telescopes
pertains to the small region of sky which they can
observe. Because the aberrations of a parabola increase rapidly with
field angle, classical corrector designs cannot yield subarcsecond images for
angles significantly greater than one degree. To access larger fields,
innovative corrector designs must be explored.
In these pages we
discuss the Optical Design and Testing of a family of
two-mirror correctors to compensate the aberrations of a fixed parabolic
mirror observing at a large angle from the zenith.
Osservatorio Astronomico di Brera/Merate
The Osservatorio di Brera, first settled in Milan 1786, is
now split in the two sites of Brera-Milano (hosting a
small historical museum with the original Schiaparelli telescope) and Merate
(with a park and three domes still operating). Optical and
X-ray astronomy and instrumentation are the major topics studied by
people in the OAB.
Osservatorio Astronomico di Trieste
OAT Activities include: Physics of the sun and of the
solar system, Physics of the stars, the interstellar medium and
of the galaxy, Extragalactic astrophysics and cosmology, Astronomical technologies, and
Padova Astronomical Observatory
Perugia University Astronomical Observatory
Articles, data, researches, and new developments at Perugia University Astronomical
(A. Mickiewicz University)
Information on the staff and research activities.
REACT Optical Gamma-Ray Burst Follow-up Network
REACT is a consortium of optical telescopes that have agreed
to work together toward a common goal of comprehensive, multiwavelength
study of gamma-ray burst afterglows.
Remote Access Astronomy Project
The Remote Access Astronomy Project. The RAAP is an educational
outreach program that promotes interest in science through providing astronomy
educational resources. These include a series of digital image processing
exercises to teach a variety of physical concepts as well
as access to our computer controlled telescope allowing motivated students
design and carry out their own experiments.
Robotic Lunar Observatory
The Robotic Lunar Observatory (ROLO) is dedicated to studying one
of the remaining unknowns of the Moon: what is its
precise brightness? ROLO is currently part of the NASA Earth
Observing Spacecraft Mission. The concept of the project is that
the Moon will be observed repeatedly, and data gathered, so
that we can predict the brightness of the Moon to
better than two percent. Then, spacecraft orbiting the Earth can
look at the Moon as part of a calibration sequence
to get an absolute brightness reference.
Robotic Optical Transient Search Experiment
ROTSE is an experimental program to search for astrophysical optical
transients on time scales of a fraction of a second
to a few hours. This is an area of astronomical
science that has been relatively unexplored until now. The primary
incentive for this research is to find the optical counterparts
of gamma-ray bursts (GRBs). Two sets of instruments are now
under construction: ROTSE-I, a 4-fold camera array using telephoto lenses
to cover a 16 degree by 16 degree field of
view and ROTSE-II, a pair of 0.45 meter aperture telescopes
to cover a 2 degree by 2 degree field of
view. The expected sensitivities of these two systems is expected
to be m_v ~ 15 and 18 respectively.
SAO (Smithsonian Astrophysical Observatory)
STSDAS help system index
WAIS index of all help files for STSDAS, the Space
Telescope Science Data Analysis System, developed at the Space Telescope
Science Institute, Baltimore, MD, for the NASA/ESA Hubble Space Telescope.
STSDAS source code
WAIS index of all spp (Subset Preprocessor) source code of
STSDAS (Space Telescope Science Data Analysis System), developed at the
Space Telescope Science Institute, Baltimore, MD, for the NASA/ESA Hubble
Schmidt telescope at Observatoire de la Cote d'Azur
The Telescope is located at the "Observatoire de Calern", above
the city of Grasse.
Equipped with a 2K CCD
camera, it is mainly used for the OCA-DLR Asteroid Survey
program. It is also used for geostationnaary Space Debris detection
and GRB optical counterparts follow ups.
The Swabian Observatory was founded in 1919. It is a
non-profit-making organisation. Since January 8th 1922 we operate an observatory
located on a hill in Stuttgart. The focal point of
our astronomical work is the observation of occultations of stars
by the moon, the planets and their satellites, asteroids and
also mutual events. We measure the occultation timings with video
and photoelectric equipment up to 10.5 mag with an accuracy
of +/-0.01s and up to 13.5 mag with an accuracy
of +/-0.1s. We send our results to IOTA, EAON, BAA
and ILOC. Sometimes we make an excursion to observe grazing
events with our transportable telescopes, for example a Meade 2080HTC.
Another main emphasis is the observation of variable stars, mainly
Mira type stars. Normally we measure stars up to 15mag.
At the moment we are beginning to observe variable stars
with the CCD camera ST-6. We send our results to
AAVSO, AFOEV and BAV. [in German]
Sloan Digital Sky Survey
(SDSS at Fermilab)
- In the pi steradians of the available North
Galactic Pole (b > 30 degrees), we shall conduct surveys
in the following manner: Obtain a photometric survey, in four
or five filters to 23rd magnitude (R), 5 sigma, for
stellar objects; obtain redshifts for all galaxies down to 19th
magnitude (B); obtain redshifts for all QSOs down to 20th
- In the available South Galactic Pole region
there will be a deeper survey in a strip 2
degrees (dec) by 50 degrees, in order to: obtain a
photometric survey, in four or five filters to 25th magnitude
(R), 5 sigma, for stellar objects; obtain redshifts for all
galaxies down to 20th magnitude (B); obtain redshifts for all
QSOs down to 21st magnitude (B).
- In the additional
available sky covering the Galactic disk, a deep photometric survey
will be conducted on a best effort basis to 23rd
magnitude (R), 5 sigma.
Smithsonian Astrophysical Observatory (1)
Smithsonian Astrophysical Observatory (2)
Includes: AXAF Science Center (ASC) .
South African Astronomical Observatory
The South African Astronomical Observatory (SAAO) is the National Facility
for optical/infrared astronomy in South Africa. Its prime function is
to further fundamental research in astronomy and astrophysics at a
national and international level through the provision and use of
a world-class astronomical facility.
Special Astrophysical Observatory of Russian Academy of Sciences
SAO is Russia's main centre for ground-based space research. The
Observatory is located in the South of Russia, in the
Caucasus mountains of Karachaevo-Cherkesia. The basic instruments of the Observatory
are the 6-meter optical telescope BTA (Big Alt-azimuth Telescope) and
the 600-meter radio telescope RATAN-600.
Stephen F. Austin State University Observatory
Facilities, research, and personnel of the SFASU Observatory.
The Steward Observatory Home Page provides information on the academic
and research activities of the University of Arizona Department of
Astronomy as well as information on the facilities of Steward
Stratospheric Observatory For Infrared Astronomy
The Stratospheric Observatory For Infrared Astronomy (SOFIA) will be a
2.5 meter, optical/infrared/sub-millimeter telescope mounted in a Boeing 747, to
be used for many basic astronomical observations performed at stratospheric
altitudes. The Facility will accommodate installation of different focal plane
instruments, with in-flight accessibility, provided by investigators selected from the
international science community. The Facility objective is to have an
operational lifetime in excess of 20 years.
Subaru Telescope at Hilo
The SUBARU is an 8.3-m diameter new-generation telescope being constructed
and to be operated by the National Astronomical Observatory, under
the Ministry of Education of Japan.
SuperCOSMOS is the Royal Observatory Edinburgh's advanced photographic plate digitising
machine. It succeeds COSMOS which was in operation at the
ROE until December 1993, and is 10 times more powerful
than its predecessor.
Telescopio Nazionale Galileo - Italian National Telescope Galileo
(TNG, La Palma)
The Telescopio Nazionale Galileo is the national facility of the
Italian astronomical community, set in the Canary island of La
Palma (Spain). The Astronomical Observatory of Padova had the
responsibility of its construction through the TNG Project Office.
The Amateur Sky Survey
The TASS project has constructed low-cost drift-scan cameras and distributed
them to sites around the world. The goal is to
monitor bright objects across a large section of the sky.
Thueringer Landessternwarte Tautenburg
The observatory is running a 2m telescope which can be
used in three different optical configurations: Schmidt telescope Cassegrain telescope
UK Infra-Red Telescope
UMASS Astronomy Image Library
A library of optical, near infrared, IRAS, and mm radio
images of astronomical objects of special interest to the UMass
Astronomy group. This library includes the hyperlinked tour of the
Lynds 1641 molecular cloud in Orion, and a library of
images of molecular line maps of star formation regions studied
University College London - Department of Physics and Astronomy
University of Bradford - Robotic Telescope
The engineering in astronomy Team in the Department of
Industrial Technology are currently working on low-cost fully-robotic telescopes.
University of British Columbia - Department of Physics and Astronomy
These are the pages for the astronomy group in the
larger Physics and Astronomy Department at UBC located in Vancouver,
Canada. Information on both research and educational activities is available.
University of California Observatories - Lick Observatory (WWW)
Lick Observatory Anonymous ftp
University of California, San Diego - Center for Astrophysics and Space Sciences
(UCSD - CASS)
The Center for Astrophysics and Space Sciences at UC San Diego is the birthplace of the multi-channel Digicon
photon detectors. Four of these are used on two instruments,
the UCSD Faint Object Spectrometer (FOS), and the Goddard High Resolution Spectrometer (GHRS), on the Hubble Space
Telescope (HST). Available at this site is information relating to
the activities, facilities, and personnel at CASS. The Faint Object
Spectrograph group, its history, and related areas of research are
described in detail.
University of California, Santa Barbara - Astrophysics Group
University of Denver Astronomy
Mt.Evans Meyer-Womble Observatory located at 14,124 feet above sea level,
on Mt.Evans in the Front Range of Colorado, used for
infrared astronomy research.
University of Georgia, Dept of Physics and Astronomy
Astronomy at UGA
University of Hawaii - Institute for Astronomy
(UH - IfA)
University of Hawaii IfA: 2.2m Telescope
University of Hawaii, Hilo - Department of Physics and Astronomy
University of Manchester - Astronomy Group
Available are contact details, research interests of the group members,
preprints and publications, course details, a frequently updated collection of
links to items of interest to astronomers.
University of Oregon - Pine Mountain Observatory
University of Texas, Austin - Department of Astronomy
University of Toronto Southern Observatory
UTSO operates the 60cm Helen Sawyer Hogg Telescope located on
Cerro Las Campanas in north-central Chile. This homepage provides information
useful to potential users and others interested in our facility.
Uppsala Astronomical Observatory
The WWW-server contains information about research activities etc, at the
astronomical observatory at Uppsala University.
VLT Survey Telescope
The VST project is a cooperation between the European Southern
Observatory (ESO) and the Capodimonte Astronomical Observatory (OAC) for the
study, design and construction of a wide field alt-az telescope
of 2.6 m aperture, specialized for high quality astronomical imaging
to be installed and operated on Cerro Paranal, next to
ESO's Very Large Telescope (VLT).
Very Large Telescope Project
ESO is building what will be the World's largest optical
telescope array, The Very Large telescope (VLT).
Very Large Telescope will consist of four 8-meter telescopes which
can work independently or in combined mode. In this latter
mode the VLT provides the total light collecting power of
a 16 meter single telescope, making it the largest optical
telescope in the world. The four 8-m telescopes supplemented with
3 auxilliary 1 m telescopes may also be used in
interferometric mode providing high angular resolution imaging. The useful wavelength
range extends from the near UV up to 25 microns
in the infrared.
WIYN, from Indiana University
Warren Rupp Observatory
Astronomical Research, Digital Imaging, Comet Search, Planetary observation, Deep sky
photography, Education. 31" F7 Telescope with computer drive in 35ft
dome. Lots of nice facilities. CCD stuff, Chemical photography. Free
access to qualified student, university, profesionals and amateurs.
Warsaw University - Astronomical Observatory
Contains general information about our Observatory and the most up-to-date
information on the Optical Gravitational Lensing Experiment (OGLE) --
a long-term, large scale photometric search for dark matter in
our Galaxy using microlensing phenomena.
Warsaw University - Optical Gravitational Lensing Experiment
The server contains general information about our Observatory and the
most up-to-date information on the Optical Gravitational Lensing Experiment (OGLE)
-- a long-term, large scale photometric search for dark matter
in our Galaxy using microlensing phenomena. Information on the side
projects conducted parallely to the main search are also there.
Wesleyan University - Astronomy Program
The Department of Astronomy
at Wesleyan University offers both BA and MA degrees in
astronomy. We include, here, information on coursework, current faculty research,
recent faculty and student preprints and on-going observing programs at
Van Vleck Observatory including an extensive Catalog of
Photometry of T Tauri Stars
Whole Earth Blazar Telescope
The WEB Telescope (WEBT) is a network of optical observers
who in concert have the capability to obtain continuous, high-temporal-density,
optical monitoring of blazars.
Whole Earth Telescope
In 1986, astronomers from the University of Texas established a
world--wide network of cooperating astronomical observatories to obtain uninterrupted time--series
measurements of variable stars. The technological goal was to resolve
the multi-periodic oscillations observed in these objects into their individual
components; the scientific goal was to construct accurate theoretical models
of the target objects, constrained by their observed behavior, from
which their fundamental astrophysical parameters could be derived. This approach
has been extremely successful, and has placed the fledgling science
of stellar seismology at the forefront of stellar astrophysics.
(The New Era of)
The New Era of Wide-Field Astronomy : A Conference to
be held in Preston (England), 21 - 24 August 2000.
We are at the beginning of a new era
in wide-field astronomy, with major new surveys now in production,
and with new telescopes and instruments, both ground- and space-based,
scheduled to be in production in the next few years.
This conference aims to review the present and future of
this exciting new era of wide-field astronomy, and to discuss
the optimum exploitation of the remarkable range of new facilities.
The conference will cover all aspects of the new era
- cosmology and both extragalactic and galactic astronomy, from X-ray
Wisconsin H-Alpha Mapper
The Wisconsin H-Alpha Mapper will produce a survey of H-Alpha
emission from the interstellar medium (ISM) over the entire northern
sky. The instrument combines a 24-inch telescope and a high-resolution,
6-inch Fabry-Perot spectrometer to achieve 8-12 km/s velocity resolution in
one-degree beams on the sky. By utilizing CCD technology, we
hope to attain a sensitivity level of 0.01 Rayleighs. This
survey, the first of ionized hydrogen in our galaxy, will
be used to explore the spatial and kinematic structure of
the warm ionized component of the ISM. WHAM is currently
at Pine Bluff Observatory but will move to Kitt Peak, Arizona in the Fall of 1996 for the
survey, which should take about 2 years.
Wyoming Infrared Observatory
(University of Chicago)
Yerkes Observatory in Williams Bay Wisconsin hosts the 40" refractor,
a 41" reflector, a 24" Boller & Chivens reflector, a
10" educational telescope, and support facilities. The 41" telescope is
used for research including adaptive optics studies.
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