Astronomy Clubs In Our Area
Astronomical Society of Eastern Missouri
Eastern Missouri Dark Sky Observers
Saint Louis Astronomical Society
General Astronomy
Astronomical and Space Calendar - CalSKY
Astronomical League Home Page
ECC - Heavens Above
Forums - ASTROMART
Forums - Cloudynights
Geomagnetic Declination calc
IAU: MPC
MPC Observable Comets
NASA Ephemeris Generator
Paul Wiegerts Web Page
Science -- Science Collections: Astronomy
SeeSat-L Home Page
Sky Maps - download
Sky View Cafe
SpaceWeather.com
The Astronomy Files
The Shallow Sky
The United States Naval Observatory
Time and Date rise/set
Universe Today
Astronomy Vendors
Adirondack Video Astronomy
Orion Telescopes & Accessories
Software Bisque Home Page
Willmann-Bell, Inc.
Astro Systems
Lunar Reference
António Cidadão's Lunar and Planetary Observation
Consolidated Lunar Atlas
Inconstant Moon - Daily moon tours
Lunar Dome Catalog
Moon Fact Sheet
NASA Lunar Eclipse Page
Occultations
North American Asteroidal Occultation Program
Optics
DayStar Filters
OWL Optic Wave Labratories
Galaxy Optics Home Page
H.L. Clausing Inc. Optical Coatings
Pegasus Optics - Telescope Mirrors
Spectrum Optic Coatings
Planets
Cassini Mission
Jupiter's GRS Transit Times
Jupiter's Moons
Saturn's Moons
Lunar and Planetary Institute (LPI)
Martian Moons
JPL Orbits
Planetary Satellite Mean Orbital Parameters
Reference
Historically Corrected NGC & IC
International Supernovae Network
JUPOS.org - Database for Object Positions on Jupiter
SEDS Messier Database, Indexes
SIMBAD database
Uppsala General Catalogue of Galaxies - Peter Nils
Satellites
Live Real Time Satellite Tracking
WinTrak and Traksat
Celestial Observer
Telescope Making
Argo Navis Digital Telescope Computer
BBAstroDesigns Edmund Scientific: Inspiring Science Exploratio...
FAQ about Collimating a Newtonian telescope
Mirror Cells for Amateur Telescope Makers
Newtonian Telescope
Optical Encoders, Inclinometers & Motion Control Components @ US Digital
Settingcircles_print
Sidereal Technology Dual Servo Telescope Contro...
Telescope Making - CrickRock Webrings
The ATM Site: Resources and Techniques for Amat...
WebRing:ScopeDrive