Link to US Naval Observatory  

United States Naval Observatory
Various forms of astronomical data is available on this very rich site.  The Atomic Clock provides exact time for observers.  You can find star catalogs, sun and moon rise and set times, positions of solar system objects, eclipse schedules, and much more.  Check out the Astronomical Applications section to find a lot of practical use information for observers or science fair participants.

Links to Astronomical Organizations / Resources
Listed Alphabetically

Association of Lunar and Planetary Observers
Planetary, solar, meteor, comet information, and more....

American Association of Variable Star Observers
Observation and recording information and anomalies of variable stars.

American Meteor Society, Ltd.
Coordinates amateur and professional observation activities of meteor observers.

Astronomical Society of the Pacific
Check out their catalog--great items!  Great resource.

The Astronomy Net -- This site lists..."Astronomy resources, searchable forums and searchable lists of 
organizations providing astronomy services."

Deutsches Zentrum fuer Luft-und Raumfahrt (German Aerospace Center)
in association with
Heavens Above

These host sites have several links that may be of interest to you if you enjoy satellite watching. The first site is for Iridium Flare Satellites.  When their solar panels turn toward us and catch the sun, they may become the brightest objects in the sky--ten times brighter than Venus.  This "flash" may last 5 to 10 seconds.  This site gives both morning and evening passes for the Pensacola area for the next seven days.  If you are not in the Pensacola area, you can link to the home page that allows you to set your own location.

The second site is Visible Satellites.  This site lists all bright satellites (magnitude 4.5 or brighter) for Pensacola.  Again, if you need the information for a different locale, you can set whatever area that you need.

The Sky Chart and Solar System Chart are set for current time when you access the site, but may be set forward or backwards in time in order to check planetary positions and celestial events.

If you want to find links for the International Space Station, Mir, and the Hubble Space Telescope, go to the top of any of these three pages, and click "HOME."   You can also edit your location through this home page.

To find Your latitude and longitude anywhere on Earth--

Iridium Flare Satellites 

Visible Satellites 

Sky Chart set for Pensacola  
(printable map)

Solar System Chart.

(Click here to get correct time so that you can synchronize your watches in either local or UT.)

This is another multi-faceted page that lists telescope sources as well as interesting astronomical 
items...and more!

International Astronomical Union
he Central Bureau of Astronomical Telegrams (CBAT) is the clearing house for reporting all new astronomical discoveries.

International Dark Sky Association
Light pollution info and troubleshooting center.

International Occultation Timing Association
Occultation predictions for observation.

IOTA was established to encourage and facilitate the observation of occultations and eclipses. It provides predictions for grazing occultations of stars by the Moon and predictions for occultations of stars by asteroids and planets, information on observing equipment and techniques, and reports to the members of observations made.

The Lunar Web Site
Instant help for anyone who wants to participate in the AL Lunar Observation program.

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Malin Space Science Systems

The MSSS offers the best Mars orbital images to date.  They designed the imaging system for the Mars Global Surveyor, and show off high resolution images of the Martian surface, taken over the last Martian year.  Many of these images have not yet been extensively studied by scientists, so you have a chance to participate in discovering interesting facts about "The Red Planet."  They also have an Education and Public Outreach section, and a listing of other projects on their website.

Mike Boschat's Astronomy Page
This Canadian site has more links than you can shake a stick at!  This extensive site covers Astronomy 
and Space Sciences for amateurs and professionals.  

(Near Earth Objects) 
Monitor the orbits of asteroids...see just how close they do come!

Norwich Astronomical Society, UK
Links to almost everywhere! Check them out.

National Radio Astronomy Observatory
This organization is a facility of the National Science Foundation.
The Ultimate Physics & Astronomy Reference & Education Online Source

The Planetary Society
This organization is devoted to the exploration of the Solar System, and the search for 
extraterrestrial life.

Rainwater Astronomers' Observatory
Located in French Camp, Mississippi--great site!

Science and Technology Resources on the Internet  (Astronomical Resources on the Internet)

This site has a list of resources on various aspects of astronomy, astronomical education, and
references and links to articles, organizations, and websites.

Sky Maps
FREE Sky maps each month for you to explore, learn and enjoy the night sky.
(This site provides a monthly [printable] observing chart, complete with list of available subjects 
for observation.)

Southern Nights Astronomical League of Florida

Unrestricted access to Messages & Bookmarks and Files; Yahoo ID required for Calendar;
Membership restricted to Florida astronomy educators, planetaria & observatory personnel,
and members in good standing of Florida-based astronomical organizations.
The Southern Nights Astronomical League of Florida provides a one-stop resource to astronomy in Florida.

SOHO  (the Solar and Heliospheric Observatory) [satellite]

This site gives you plenty of information about the sun, solar events, and its effects on Earth.

Space Weather

This site provides news relating to the sun and solar events, and to Earth's environment, including
effects of solar events, such as flares, as well as other topics of interest such as near-Earth asteroids. 

The Universe Today-- Space news from around the Internet, updated every weekday.
This is a multi-faceted page that lists astronomy news items from around the world, and offers 
a newsletter.

If you are interested in up-to-date astronomy news, this site has several news sources for you 
to check.  You may subscribe to the newsletter, or simply read the archived copies.

Northern Lights-Aurora Borealis Information-- This site gives information on this phenomenon and how
the Northern Lights are formed.  The site includes imaging and time-lapse photography showing the
motion and colors of this beautiful display.
Thanks to a Colorado Student and After School Study Group for requesting this information link.

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