Telescope Field Of View
And Power Calculator
Time and Date
Julian
Date Converter - USNO
Sun and Moon
Today's Lunar Data - Heavens Above
Earth
Earth's Seasons Equinoxes,
Solstices, Perihelion, and Aphelion,1992-2020 - USNO
Observation Information:
Current
Constellation Map of the Sky - Heavens Above
Current
Solar System Planet Locations - Heavens Above
Planet
Summary Information - Heavens Above
Satellites and Minor Planets:
International
Space Station Visible Passes - Heavens Above
Hubble
Telescope
Visible Passes - Heavens Above
Near Earth Object
Passes - NASA / JPL
On-line Magazines:
Sky and Telescope Magazine - My favorite website for amateur astronomy.
Astronomy Magazine - Another resource for interesting astronomy topics.
On-line Educational Resources:
Students for the Exploration and
Development of Space - This is a very good website for raw
information.
StarDate Online - Very
useful information from The University of Texas McDonald
Observatory.
Heavens Above -
Information on satellites or astronomy.
Astronomy Picture of the day Website:
Astronomy Picture of
the Day - A great bookmark, learn something new everyday.
Observatories:
Hubblesite.org - Home of
the Hubble Space Telescope.
Astronomical Associations:
San Diego Astronomy Association - My local astronomy club of which I am a proud member.
Where to get your gear:
Astromart -
Where I spend most of my day chatting, buying and trading.
Fellow amateur astronomer websites:
The
Firmament - by Jan Timmeran of the
Netherlands. He has great info on web caming
Bob Austin's
Astronomy - A San Diego Astronomy Club member and
friend with lots of good info photos.
Jim's Thomes
Unconventional Astrophotography - A San Diego Astronomy
Club member and friend who does beautiful photography with limited
equipment.