Solar Telescope Resources
Bob Jackson / email@example.com
Written on: 06/06/01 20:35
ARTHEMIS Solar Data Archive
ARTHEMIS is an archive for solar data coming from the
THEMIS telescope, the RISE/PSPT instrument in Rome, and the Whole
Sun Catalog. The archive has RISE/PSPT data beginning with July,
1996 and running through the current date. The THEMIS data
will be available once the telescope enters full operation. The
Whole Sun Catalog aims to maintain a complete list of
all solar observations made around the world each day. In
addition, an interactive solar ephemeris is available for computing heliocentric
and geocentric coordinates.
BAse Solaire Sol 2000
French national database for solar observations, created as a support
for THEMIS data and in complement of the MEDOC database of space observations (SOHO). [in French]
Big Bear Solar Observatory
This site contains daily images from our solar optical telescope
at Big Bear, California. Fulldisk images for the current month.
H-alpha, white light, and Ca-II K-line images are generally available
for every observing day; Ca-II K-line fulldisk archive; H-alpha fulldisk
archive; White light fulldisk archive; Current high-resolution region images; Programs
to read FITS images on IBM PCs and Macintoshes.
Birmingham Solar Oscillations Network
The current status of the Birmingham Solar Oscillations Network -
a global network for helioseismology. Additionally some recent results and
publications are available. [site under reconstruction]
Boulder, Colorado - Department of Astrophysical and Planetary Sciences
The Department of Astrophysical and Planetary Sciences teaches and researches
the areas of Astrophysics and Astronomy, Fluid Dynamics, Planetary Science,
Plasma Physics, Solar Physics, and Space Physics.
is also affiliated with Fiske Planetarium and Sommers-Bausch
Observatory on campus.
Catania Astrophysical Observatory
Daily solar images (chromosphere and photosphere).
Centre de Donnees de la Physique des Plasmas
(Plasma Physics Data Centre - CDPP)
The CDPP (Centre de Données de la Physique des Plasmas)
is a data centre serving the space plasma physics community.
Its primary purpose is to preserve data relevant to the
physics of naturally occurring plasmas, especially data from experiments which
are either French or have strong French participation. The CDPP
both renders these data accessible, and facilitates their exploitation. The
CDPP is located in Toulouse (France), where it has its
two principal components, one supported by the CNES (Centre
National d'Etudes Spatiales), and the other by the CESR
(Centre d'Etude Spatiale des Rayonnements).
Centre de Prevision de l'activite solaire et geomagnetique
Forecast of solar activity: solar cm flux, solar flares.
Forecast of geomagnetic activity: geomagnetic indices, geomagnetic storms.
of the solar cycle.
Data base for cosmic rays
from Kerguelen and Terre Adelie station. [in French]
Cluster II, ESA's spacefleet to the magnetosphere
The Cluster II mission of the European Space Agency is
a four-spacecraft mission to carry out three-dimensional measurements in the
Earth's magnetosphere, covering both large- and small-scale phenomena in the
sunward and tail regions.
Cosmic and Heliospheric Learning Center
The Cosmic and Heliospheric Learning Center, brought to you by
the people at ACE, is designed to increase your
interest in cosmic and heliospheric science. (The heliosphere is the
huge area in space affected by the Sun.)
Learning Center is aimed at the general public (or about
a high school level of science understanding).
Cracow - Solar radio emission in dm wavelength
Continuous observations of solar radio emission in decimeter wavelength have
been maintained in Cracow since 1957. Beginning from January 1995
we provide the reduced data on-line. The new instrument for
solar radio observations is under construction. It is to start
its operation in May, 1995.
Departement d'Astronomie Solaire
(DASOP, Observatoire de Paris)
Department of Solar Astronomy at Observatoire de Paris.
ETH Institute of Astronomy
The Institute of Astronomy at ETH Zurich includes the three
following research groups: Solar Physics; Stellar and Interstellar Physics; Computer
Simulations and Data Processing.
Estación de Observación Solar-Observatorio
The Astronomy Area of CIF-US (Center for Research on Physics/Universidad
de Sonora, Hermosillo Sonora, Mexico), operates EOS (Estacion de Observacion
Solar/Solar Observational Station)and OCS (Observatorio "Carl Sagan"), the only two
solar observatories in the country with an observational program of
active regions at the continuum, and H-Alpha and Calcium lines,
through a two-heliostat system and a 15 cm refractor telescope.
Live broadcast of solar observations through ASTRO-USON WebTV with the
new 14 cm Maksutov-H-Alpha telescope.
European Incoherent SCATtter
The EISCAT Scientific Association is an international research organisation operating
two incoherent scatter radar systems, at UHF (931 MHz) and
VHF (224 MHz), in Northern Scandinavia.
Eyes on the Skies - Robotic Solar Viewing Telescope
Internet-accessible robotic solar telescope.
The GALLEX experiment was performed by an international collaboration headed
by MPIK Heidelberg. GALLEX measured the solar neutrino flux produced
inside the Sun by proton-proton fusion. As target for neutrino
capture, a large amount (30 tons) of the rare element
Gallium in form of an aqueous solution of Galliumtrichloride was
used. To protect the detector from the interfering cosmic radiation
one must go deep underground. Hence the experiment was carried
out under the shielding of Italy's highest mountain outside the
Alps, the Gran Sasso d'Italia in the Abruzzo region.
Global Oscillation Network Group
High Altitude Observatory
Today's Observatory program includes numerical simulation of convection, radiation transport,
and large-scale dynamics in both the solar and terrestrial atmospheres,
plus observational programs to measure the Sun's output of magnetized
plasma and radiation over the 11 year sunspot cycle of
High Energy Solar Spectroscopic Imager
Studying the Fundamental Aspects of Solar Flares.
Hiraiso Solar Terrestrial Research Center/CRL
Hiraiso Solar Terrestrial Research Center/CRL, Ibaraki, Japan. Serving space environment
information inculding forecasts and alerts of solar flares and geomagnetic
storms. Relating observed data are also available.
INTER-SOL Sun Observation Programme
The INTER-SOL Programme (ISP) is an international sun observation programme
for amateurs and professionals of the Volkssternwarte Paderborn
e.V. - Germany.
IPS Radio & Space Services
IPS is a unit of the Australian Government Department of
Administrative Services and provides the Australian radio propagation and space
environment services. Includes: Sydney Regional Warning Centre; Culgoora Solar Observatory;
Learmonth Solar Observatory; Prediction Services; Consultancy Services
Imager for Magnetopause-to-Aurora Global Exploration
IMAGE is a MIDEX class mission, selected by NASA in
1996, to study the global response of the Earth's magnetosphere
to changes in the solar wind.
Institut d'Astrophysique Spatiale
The Institute for Space Astrophysics (IAS) in Orsay, France, is
a laboratory of French CNRS and University of Paris-Orsay. It
hosts several scientific teams (Solar ans Stellar Physics, Physics of
galaxies, Solar System Physics) and services (French ISO Data
Center, MEDOC data center for SOHO).
Instituto de Astronomia y Fisica del Espacio
IAFE is an Institute devoted to the research in the
areas of Astronomy, Solar Physics, Astrophysical Plasmas, Atomic Collisions and
Relativistic Quantum Field Theories and Gravitation. Besides the Institute takes
part in international interinstitutional instrumental projects. The objective of the
Institute of Astronomy and Space Physics in Buenos-Aires, Argentina, is
to constitute a multidisciplinary group of astronomers, physicists and engineers,
whose work be centered on astrophysical problems not covered by
other national institutions. Besides, through the requirements imposed by the
non classical astronomical experiments, to carry on technological developements, mainly
in the area of electronics, transferable to other sectors of
the scientific-technological system of the country.
The Investigation Projects
are: Astronomy, Solar Physics, Astrophysical Plasmas, Relativistic Quantum Field Theories
and Gravitation, and Atomic Collisions.
International Solar-Terrestrial Physics
The International Solar-Terrestrial Physics (ISTP) Science Initiative Home Page provides
information on ISTP missions, campaigns, and activities.
Joint Organization for Solar Observations
Kanzelhoehe Solar Observatory
The Kanzelhoehe Solar Observatory is operated by the Institute of
Geophysics, Astrophysics and Meteorology (IGAM) of the University of Graz,
Austria. It is located near Villach, close to the Italian
and Slovenian border. Operated continuously and devoted also to Solar
surveillance since its foundation in 1943 it houses a rich
archive of observations.
Kharkov multi-wave station of solar monitoring
Images from the spectroheliograph of Kharkov Astronomical Observatory (Ukraine). This
station is designed to carry out a wide range of
astrophysical studies of the Sun in monochromatic light.
Kiepenheuer-Institut für Sonnenphysik
The Kiepenheuer-Institut is a research institution of the German state
of Baden-Wuerttemberg, dedicated to the study of the Sun. It
is located in Freiburg, Germany, and operates solar observing facilities
at the Observatorio del Teide, Tenerife, Spain.
Laboratory for Atmospheric and Space Physics
The Laboratory for Atmospheric and Space Physics is an institute
of the Graduate School of the University of Colorado in
Boulder, Colorado. Members of LASP conduct basic experimental and theoretical
research into fundamental questions in the areas of planetary science,
atmospheric composition and processes, and solar physics. Members of LASP
also explore the potential uses and development of space operations
and information systems as well as develop scientific instrumentation.
Large Angle and Spectrographic Coronagraph for SOHO
This instrument monitors the solar corona above the Sun's limb
in a similar way as we perceive the corona during
a solar eclipse. It produces images of the corona in
the visible spectrum and with distance off the Sun's center
ranging from 1.1 to 32 solar radii.
MEDOC (Multi-Experiment Data Operations Center for SOHO) is designed to
meet the needs of European SOHO Investigators who wish to
work together on the data analysis and the preparation of
joint observations using SOHO instruments and also European solar ground-based
Observatories. This European Centre complements the SOHO facilities (Experiment
Operations Facility, Experiment Analysis Facility, U.S. SOHO Archive
) located in GSFC (NASA).
MSU Solar Physics Group
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.
Mees Solar Observatory
Metsahovi Radio Research Station
The Metsähovi Radio Research Station, a separate research institute of
the Helsinki University of Technology since May 1988, operates a
14 m diameter radome enclosed radio telescope at Metsähovi, 40
km west of Helsinki, Finland. The Cassegrain telescope system can
be used at frequencies 10 - 230 GHz (wavelengths 3
cm - 1.8 mm).
Midcourse Space Experiment
The MSX observatory is a Ballistic Missile Defense Organization project
which offers major benefits for both the defense and civilian
sectors. It was launched on a Delta II vehicle on
April 24, 1996, into a 900 km, polar, near-Sun synchronous
orbit. The spacecraft featured an advanced multispectral image capability to
gather data on test targets and space background phenomena.
The infrared sensors operated at 11 to 12 degrees Kelvin
by employing a solid hydrogen cryostat. The IR instruments span
the range 4.2 - 26 microns. The focal plane array
consists of five bands and the radiometer beam-size is more
than 25 times smaller than IRAS. As a result, much
greater spatial resolution than anything currently available has been obtained.
The cryogen phase of the mission ended on 26 February
1997. During the ten month cryogen phase of the mission
over 200 Giga Bytes of data on Celestial Backgrounds were
See the MSX Celestial Backgrounds Team
Home Page for additional details.
A private research venture into Solar Physics.
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.
NRL Solar Physics Branch
There are three active experimental programs in the Solar Physics
Branch: The Large Angle Coronagraph-Spectrograph (LASCO) experiment is one experimental
package aboard the Solar and Heliospheric Observatory (SOHO), a joint
ESA/NASA mission, which was launched on December 2, 1995. LASCO
is now producing coronal images from all three of its
coronagraphs. The Solar Ultraviolet Spectral Irradiance Monitor (SUSIM) experiment begun
on October 11, 1991 aboard the Upper Atmosphere Research Satellite
(UARS) continues to measure the solar UV spectral irradiance. The
High Resolution Telescope and Spectrograph (HRTS) experiment has collected spectroscopic
observations of the Sun while flying on suborbital rockets since
its first flight in 1975.
National Astronomical Observatory of Japan
- Solar Physics Division
The Solar Physics Division is made of two sections (Solar
Activity and Solar Atmosphere) and one guest scientists section (Experimental
Astrophysics). Research targets are solar and astrophysical plasmas, using satellites,
ground-based telescopes, and MHD theory and computer simulations. The main
instruments now used by the scientists in the Division are
the Yohkoh satellite and the telescopes at Mitaka and Norikura.
National Solar Observatory
Synoptic Solar Magnetograms
National Solar Observatory / Sacramento Peak, Sunspot, NM
Naval Research Laboratory Space Science Division
Division scientists are involved in major research thrusts that include
ultraviolet remote sensing of the upper atmosphere, studies of the
solar atmosphere by using spectrographic techniques, and studies of atronomical
radiation ranging from the ultraviolet through cosmic rays. This includes
the mission operations and data analysis facilities for NRL's OSSE
experiment on NASA's Compton Observatory. Contains links to Backgrounds Data
Center, X-ray Astronomy Branch, Gamma and Cosmic Ray Astrophysics Branch,
Solar Physics Branch, Coronal Physics Section, Far-Ultraviolet Cameras Experiment, and
The Observatoire Midi-Pyrénées (OMP) is an Observatoire des Sciences de
l'Univers placed under the administrative supervison of both the Institute
des Sciences de l'Univers (INSU) of the French National Center
for Scientific Research (CNRS) and the Ministry of Research, Technology
and Education. It has laboratories located on the Rangueuil campus
of Université Paul Sabatier in Toulouse (UPS), in Bagnères, Lannemezan
and on the summit of Pic du Midi de Bigorre.
This is the official server at Paris Observatory. You will
find information about the activities of the Observatory, on departments,
on its history, etc.
Phase-diverse speckle reconstruction of solar data
Award-winning paper: " Phase-diverse speckle reconstruction of solar data," by
John H. Seldin and Richard G. Paxman, Environmental Research Institute
of Michigan. --ABSTRACT-- Phase-diverse speckle imaging is a novel imaging
modality that makes use of both speckle-imaging and phase-diversity concepts.
A phase-diverse speckle data set consists of one conventional image
and at least one additional image with known phase diversity
for each of multiple atmospheric phase realizations. We demonstrate the
use of a phase-diverse speckle data set collected at the
Swedish Vacuum Solar Telescope on La Palma to overcome the
effects of atmospheric turbulence and to restore a fine-resolution image
of solar granulation. We present preliminary results of simultaneously reconstructing
an object and a sequence of atmospheric phase aberrations from
these data using a maximum-likelihood parameter-estimation framework. The consistency of
the reconstructions is demonstrated using subsets of the sequence of
Views of the Solar System presents a vivid multimedia adventure
unfolding the splendor of the Sun, planets, moons, comets, asteroids,
and more. Discover the latest scientific information, or study the
history of space exploration, rocketry, early astronauts, space missions, spacecraft
through a vast archive of photographs, scientific facts, text, graphics
RASMUSSEN, Lars Peter
My master thesis, concerning the accuracy of the MDI on
SoHO, is available.
Soft X-Ray Telescope onboard Yohkoh Satellite, ISAS, Japan
(description at LMSAL, USA)
Yohkoh (" Sunbeam" in Japanese) is a satellite of the
Japanese Institute of Space and Astronautical Science (ISAS) dedicated to
high-energy observations of the Sun, specifically of flares and other
Solar Data Analysis Center
The SDAC at NASA Goddard Space Flight Center serves current
solar ground- and spaced-based imagery, text, figures, maps, and tables
of NASA eclipse bulletins, solar flare data from the Compton
GRO BATSE experiment and the Yohkoh spacecraft, and science operations
planning information for the SOHO Science Working Team.... and more
Solar Extreme-ultraviolet Rocket Telescope and Spectrograph
The Solar Extreme-ultraviolet Rocket Telescope and Spectrograph (SERTS) instrument obtains
spatially resolved spectra and spectroheliograms over a wide range of
extreme ultraviolet (EUV) wavelengths characteristic of temperatures between 5x10^4-3x10^7K, providing
information about the Sun's corona and upper transition region. Wavelength
coverage is 170-450A with spectral resolution near 10000, spatial resolution
as good as 5arcsec, and relative photometric accuracy within +/-
20% over most of its range. This page contains links
to information about the instrument, a solar EUV line list
between 170 and 450 A from the SERTS-89 flight, and
a list of SERTS-related publications. Soon to be added is
information about upcoming launches. Also included are links to other
WWW servers relevant to solar astronomers.
Solar Flare Theory
(NASA/Goddard Space Flight Center)
The site provides an introduction to solar flares, solar flare
research, and the Sun-Earth connection. A crossword puzzle, links to
related sites, and answers to readers' questions are included.
Solar Group of RATAN-600
The group provides Solar Radio Monitoring on RATAN-600. Observations are
performed with a high spatial, one - dimensional resolution scan
near UT 9-00 at 30-40 wavelengths in the range from
1.67 cm up to 32 cm with left (LCP) and
right (RCP) circular polarization.
There are FITS and GIF
data archives available from May 1997.
Solar Physics Division - American Astronomical Society
Solar Physics at Stanford University
Observational and theoretical research in the physics of the sun
is carried out at Stanford University in several research groups.
The Wilcox Solar Observatory and Solar Oscillations Investigation programs are
conducted by a group of scientists and supporting staff associated
with the Center for Space Science and Astrophysics (CSSA) and
the Hansen Exerimental Physics Laboratories (HEPL), under the direction of
Philip H. Scherrer (CSSA and the Department of Physics).
Solar Terrestrial Activity Report
The Solar Terrestrial Activity Report has an overview of current
solar activity as well as this activity's effect on Earth's
geomagnetic field. The report is primarily aimed at radio listeners.
Solar cycle and solar wind information is part of the
Solar Terrestrial Dispatch
The Solar Terrestrial Dispatch (STD) provides information regarding the state
of the Sun and its effect on the Earth and
the space environment near the Earth. The numerous services provided
here are made possible through cooperation with the University of
Lethbridge , who we gratefully acknowledge. STD's primary responsibility is
to provide support and time-critical solar and geophysical information to
institutions and individuals who require this information. For this purpose,
we monitor solar and geophysical conditions in real-time and provide
e-mail distribution of numerous services. We also supply many available
solar and geophysical services through Anonymous FTP. and several finger
servers: finger firstname.lastname@example.org.
Solar UV Atlas from HRTS
Through the generosity of Dr. Pĺl Brekke of the University
of Oslo, the High Resolution Spectrograph and Telescope (HRTS) ultraviolet
solar atlas is now available on the Web. Click here
for more information.
Solar Voyager is an educational site featuring information about our
solar system, along with interesting space artwork.
Solar and Heliospheric Observatory
The SOHO project is being carried out by the European
Space Agency (ESA) and the US National Aeronautics and Space
Administration (NASA) as a cooperative effort between the two agencies
in the framework of the Solar Terrestrial Science Program (STSP).
SOHO was launched on December 2, 1995. The SOHO
spacecraft was built in Europe by an industry team led
by Matra, and instruments were provided by European and American
Solar, Auroral, Ionospheric, ... Information
(Univ. Lethbridge, Alberta, Canada)
Solar Imagery (mirrored from SELSIS/BBSO)-updated once every three hours; Daily
Reports of Ionospheric Data containing M(3000), foF2, MUF(3000), and TEC;
East-West Solar Interferometer Scan Images from the Algonquin Radio Observatory
32-Element Interferometer; Weekly Solar Terrestrial Forecast and Review Reports; Daily
GOES-6 and 7 X-ray Plots as well as special high-resolution
xray plots of major flares; Daily NSO solar coronal line
emission plots; Daily Pseudo-Full-Disk solar coronal maps of the coronal
Fe XIV and Ca XV ion lines from the NSO;
and more... - README
Solar-Terrestrial Physics Home Page
Solar-Terrestrial Physics Division of the National Geophysical Data Center home
page. Includes several various STP disciplines within the Center: geomagnetism, Iononosphere, Solar and Upper
Atmosphere, and two satellte programs: GOES and DMSP.
SolarMail is an e-mail forwarding system provided as a service
to all members of the Solar Physics research community. It
allows users to be reached via e-mail anywhere through their
username (usually first initial plus last name) on the spd.aas.org
Space Environment Center
The Space Environment Center of the National Oceanic and Atmospheric
Administration provides near real-time monitoring and forecasting of the environment
between the sun and the earth. Our WWW
server features Today's Solar Weather with current solar
images, xray and proton plots from GOES satellites, and the
latest forecast of solar-terrestrial conditions.
Stanford SOLAR Center
Providing Solar On-Line Activity Resources for the joy of solar
This site presents a collection of fun
educational activities based on Solar Oscillations Investigation (SOI) and Solar
and Heliospheric Observatory (SOHO) data.
Sternberg Astronomical Institute
(Heliophysics, internal structure and Seismology)
This home page belongs to a small group of scientists
working at Sternberg Astronomical Institute which is a part of
Moscow State University.
Sun: THE Star
The Italian Solar Physics Community Server is an experimental Web
server intended to collect all the relevant information on Solar
Physics Activities and Resources in Italy as well as on
international scientific collaborations in ground-based projects, such as THEMIS and
LEST, and in space missions, such as SOHO.
THEMIS - Heliographic Telescope for the Study of the Magnetism and Instabilities on the Sun
THEMIS (Télescope Héliographique pour l'Etude du Magnétisme et des Instabilités
Solaires) is a new generation Franco-Italian solar telescope built by
INSU/CNRS (France) and CNR (Italy). The main
scientific goal for which it has been designed is the
accurate determination of the vector magnetic field.
Transition Region And Coronal Explorer
TRACE will enable solar physicists to study the connections between
fine-scale magnetic fields and the associated plasma structures on the
Sun in a quantitative way by observing the photosphere, transition
region, and corona.
(Le Soleil et la Terre)
Introduction to the study of the Sun: Le Soleil, la
Terre, une étoile, une plančte, pour la vie Images, links,
glossary. For laymen and beginning amateurs. [in French].
Universitat de les Illes Balears - Solar Physics at Department of Physics
Research in Solar Physics at the Physics Department of the
Universitat de les Illes Balears (Spain)
University of Pisa, Italy - Space Mechanics Group
Space Mechanics Group, Department of Mathematics, University of Pisa, ITALY.
This home page gives access to: People (personal home pages),
Resarch projects (subject home pages), Publications lists Data bases: asteroid
proper elements (ftp server).
Views Of The Solar System
Views of the Solar System presents a multimedia adventure unfolding
the splendor of the Sun, planets, moons, comets, asteroids, and
Views Of The Solar System
Views Of The Solar System has been created as an
educational tour of the solar system. It contains images and
information about the Sun, planets, moons, asteroids, comets and meteoroids
found within the solar system. The image processing for many
of the images was done by Calvin J. Hamilton.
Volga Space Plasma Physics Summer School Information - 1997
The purpose of these
Summer Schools, held every second summer onboard a river cruise
ship on the Volga and organised jointly by the Radiophysical
Research Institute (NIRFI), Nizhniy Novgorod, Russia and the
Uppsala Division of the Swedish Institute of Space Physics
(IRFU), Uppsala, Sweden, is to give an introduction to modern
space plasma physics by bringing together experienced researchers, young scientists
and scholars in astrophysics, space physics and plasma physics for
a fruitful exchange of ideas across areas of interest, language,
culture and age barriers.
The topics covered include linear
and non-linear plasma physics, waves and radiation phenomena in plasma,
waves in random media and turbulence, planetary, solar and stellar
coronal plasma, plasma under extreme conditions in space, space plasma
radio emission, radio methods for investigating space plasma environments, and
the use of the Earth's ionosphere and magnetosphere as a
space plasma laboratory for model experiments simulating phenomena in other
Wilcox Solar Observatory
The Wilcox Solar Observatory began daily observations of the Sun's
global magnetic field in May 1975, with the goal of
understanding changes in the Sun and how those changes affect
the Earth; this is now called space weather. Now low-resolution
maps are also made of the Sun's magnetic field each
day, as are observations of solar surface motions. The observatory
is located in the foothills just west of the Stanford
Yohkoh Public Outreach Project
The Yohkoh Movie Theater (YPOP) is designed to bring you
images and movies depicting our nearest star, the Sun, as
seen by an X-ray telescope on board the Yohkoh satellite.
The YPOP site includes a range of activities for youngsters,
parents, teachers and anyone interested in learning more about the
Zurich Solar Radio Spectrometer
The Radio Astronomy Group (RAG) of ETH
in Zurich, Switzerland, recorded solar radio spectrograms with an analog
spectrometer called Daedalus (1974-1993) in the range of 100-1000 MHz.
Its observation list can be accessed directly. Two digital
spectrometers, Ikarus (1978--1985) and PHOENIX (1988--1994), cover a
range from 100--1000 MHz and 0.1--3 GHz, respectively. And since
1998 the new and improved Phoenix-2 Spectrometer covers a
range from 0.1 -4 GHz. These data can be accessed
by the ASPECTimage retrieval system. Their observation list contains references
to frequency programs that indicate which frequencies were observed. More
information can be obtained from RAG members.