All sites of Astronomy

Heavens Above Heavens Above
Heavens Above- Online program that include graphics generated in real-time and customized for a location and time zone to observe satellites such as ISS, space shuttle, and iridium flares. ...
J-Track 3-D Satellite Tracking J-Track 3-D Satellite Tracking
J-Track 3-D Satellite Tracking- Two-dimensional and three-dimensional applets showing the positions of satellites. Also includes a sighting guide and public-use images of the whereabouts of several popular satellites. ...
NORAD Two-Line Element Sets NORAD Two-Line Element Sets
NORAD Two-Line Element Sets- Orbital data for any satellite tracking program, updated regularly by CelesTrak. ...
PocketSat PocketSat
PocketSat- Software for PalmPilot with documentation, FAQ, data, trial download, and links. ...
Sebastian's Home Page Sebastian's Home Page
Sebastian's Home Page- Orbit, visual program for Windows and TLE links. ...
Northern Lights Software Associates Northern Lights Software Associates
Northern Lights Software Associates- A windows-based program with real time tracking of an unlimited number of satellites. ...
GLsat GLsat
GLsat- 3D satellite tracking and visualization utility written in C++ using OpenGL, calculates current position, and displays position around the earth. ...
Orbitron - Satellite Tracking System Orbitron - Satellite Tracking System
Orbitron - Satellite Tracking System- For radio amateur and observing purposes, and used by weather professionals, satellite communication users, astronomers, UFO hobbyists and astrologers. ...
Groundstation: Gpredict Groundstation: Gpredict
Groundstation: Gpredict- Program that can track a large number of satellites, display the satellite data in lists and/or show the satellites on maps. ...
Live Realtime SatelliteTracking and Predictions Live Realtime SatelliteTracking and Predictions
Live Realtime SatelliteTracking and Predictions- N2YO provides web-based realtime satellite mapping tool tracking many satellites. ...
WinOrbit WinOrbit
WinOrbit- Free satellite tracking software for Windows 3.x. ...
Clarke Belt Calculator Clarke Belt Calculator
Clarke Belt Calculator- Given a file with satellites' Two-Line Element (TLE) you can calculate a list with the azimuth, elevation and range for any point on earth. ...
TrackingSat TrackingSat
TrackingSat- Assists user to install an antenna and align it with the satellites in orbit. ...
Minor Planet Minor Planet
Minor Planet- Dedicated to astronomical imaging and positional data, and includes information on observatories, news, images, star charts, fits data, and shareware. ...
Small-Body Orbital Elements Small-Body Orbital Elements
Small-Body Orbital Elements- Provides access to orbital elements for numbered asteroids, unnumbered asteroids, and comets with element tables using a custom generator (using the current DASTCOM database) or ASCII files. ...
Minor Planet Mailing List Minor Planet Mailing List
Minor Planet Mailing List- A list for asteroid and comet researchers. ...
Asteroids Asteroids
Asteroids- Includes student project award, hunting, and grants issued presented by Sky and Telescope. ...
IAU - Minor Planet Center IAU - Minor Planet Center
IAU - Minor Planet Center- Is responsible for the efficient collection, checking, and dissemination of astrometric observations and orbits for minor planets and comets, via the Minor Planet Circulars (issued monthly) and ...
Small-Body Orbital Elements Small-Body Orbital Elements
Small-Body Orbital Elements- Provides access to orbital elements for numbered asteroids, unnumbered asteroids, and comets with element tables using a custom generator (using the current DASTCOM database) or ASCII files. ...
Comet-Images Comet-Images
Comet-Images- Posting of images with discussion of images and equipment. ...
Comets Comets
Comets- News, estimating brightness, photography, reporting discoveries, and articles. ...
Holloway Comet Observatory Holloway Comet Observatory
Holloway Comet Observatory- Image collection provided by Mike Holloway. ...
JUPOS - Database for Object Positions on Jupiter JUPOS - Database for Object Positions on Jupiter
JUPOS - Database for Object Positions on Jupiter- Project aimed to collect precise positions of jovian cloud features, to analyze them in drift charts, and to examine if and how their movements change in time. ...
Jupiter Jupiter
Jupiter- Central meridian, position of satellites, and monthly curves. ...
NASA's Mars Exploration Program NASA's Mars Exploration Program
NASA's Mars Exploration Program- Overview, science theme, technology, missions, people features, events, and multimedia with information for kids, students, educators, and press. ...
Mars Today Mars Today
Mars Today- A poster produced daily depicting current conditions and relationship to Earth in six panels. ...
Communications in Mars Observations Communications in Mars Observations
Communications in Mars Observations- Director's notes, member's activities, gallery, dust storm and predust storm images, and links. ...
The Daily Martian Weather Report The Daily Martian Weather Report
The Daily Martian Weather Report- Conduction study of the Martian atmosphere, and results from the study being presented in the form of a daily weather report. ...
Mars 2003 Revisited Mars 2003 Revisited
Mars 2003 Revisited- Story re-told with images. ...
The Mars Section Observing Alert and Images Page The Mars Section Observing Alert and Images Page
The Mars Section Observing Alert and Images Page- Gallery of maps made from recent observations. ...
A.L.P.O. Mars Section A.L.P.O. Mars Section
A.L.P.O. Mars Section- Includes staff, observing alerts and recent observations, email list, and publications. ...
Welcome to the Planets - Mercury Welcome to the Planets - Mercury
Welcome to the Planets - Mercury- Images with information including audio. ...
Mercury Mercury
Mercury- Data, general information, and missions. ...
Lunar Prospector Lunar Prospector
Lunar Prospector- Designed for a low polar orbit investigation, including mapping of surface composition and possible polar ice deposits, measurements of magnetic and gravity fields, and study of outgassing events. ...
Inconstant Moon Inconstant Moon
Inconstant Moon- A new tour each night, with maps, photos, explanations, animations, selected links and music. ...
NOVA Online: To the Moon NOVA Online: To the Moon
NOVA Online: To the Moon- Companion to two-hour NOVA special originally broadcast on July 13, 1999 which chronicles the untold science and engineering story of getting there. ...
Data Services Data Services
Data Services- Applications page with moon rise/moon set, lunar eclipse, and lunar positions and phase data. ...
Full Moon Calendar Full Moon Calendar
Full Moon Calendar- Provides a lunar calendar and information on the phases of the moon and moon facts. ...
Winter Solar Observatory Winter Solar Observatory
Winter Solar Observatory- Located in Roeland Park, Kansas and contains images from a high resolution CCD camera that is captured directly into a computer or stored on 8mm video tape. ...
Franky Dubois Sun Page Franky Dubois Sun Page
Franky Dubois Sun Page- Observatory and instruments, sunspot information, solar photography, images, events, and links. ...
Solar Folklore Solar Folklore
Solar Folklore- Myths, legends and tales represent a culture's world view, a peoples' attempt to explain, understand, and come to grips with nature's phenomena. ...
Solar Observations by Michael Oates Solar Observations by Michael Oates
Solar Observations by Michael Oates- Daily images taken with a hand held digital camera and links. ...
Solar Observing by Peter Meadows Solar Observing by Peter Meadows
Solar Observing by Peter Meadows- Introduction, activity notes, drawings and animations, measuring, observing, sunspots, transits, and links. ...
Portaball Portaball
Portaball- Discussion of the Mag1Instruments Portaballs. ...
ATOZastro Forums for Meade Telescopes ATOZastro Forums for Meade Telescopes
ATOZastro Forums for Meade Telescopes- Exchange ideas, share experiences, and find information. ...
Telescope Junkies Forum Telescope Junkies Forum
Telescope Junkies Forum- General topics, astrophotography, accessories, equipment, mounts, and telescopes. ...
Dobsonian Telescope Community Dobsonian Telescope Community
Dobsonian Telescope Community- General and newbie information, including input on modifications, collimating, and eyepieces. ...
Telescope Forums Telescope Forums
Telescope Forums- Discussions, opinions, and reviews on equipment and accessories including books and software. ...
MakScopes MakScopes
MakScopes- Discussion group to send and receive emails, discuss ideas and tips, and get the most out of viewing and enjoying the telescope. ...
Quantum Cosmology and Eternal Inflation Quantum Cosmology and Eternal Inflation
Quantum Cosmology and Eternal Inflation- Lecture by Alexander Vilenkin on quantum cosmology, focusing on the tunneling approach. One of the lectures given as part of Stephen Hawking's 60th birthday; suitable for graduate ...

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