Links

Global-Rent-a-scope. The host of RAS Observatory.

Rent-a-scope. The original startup service.

The Remote Astronomical Society. The steering organization of the RAS Observatory.
New Mexico Skies. The Host of Rent-a-scope and a great vacation spot for astronomers.

Useful Utilities

Local Sideral Time from the US Naval Observatory. A very useful link. Enter the RAS Observatory Longitude (hms = 105 31 44 WEST) and you can obtain the local sideral time. Very useful for seeing what is up and what is close to the meridian.
Julian Data Calculator. For your variable stars and other reports.

Imaging Links

Steve Orlando’s astrophotos. Steve is a RASO member. This site is excellent because he furnishes detailed exposure data with RASO equipment. Highly recommended!
Al Kelley’s Pages. A excellent basic manual is available.
Colgate University Astronomy Resources. A wealth of information! Not only for CCD.

Variable Stars

American Association of Variable Star Observers. The largest North American organization, lots of resources. Publishes AAVSO, news letters, observing manuals, etc.
The Webb Society. The largest British organization, lots of resources. Publishes observers manuals, the famous Observers Guide series, the Deep Sky Observer, with both variable and double star papers as well as observing tips and other papers.
AAVSO list of international variable star groups. Find a group in your country!

Photometry

Guide to Minor Planet Photometry. Brian Warner’s guide is also an excellent introduction to photometry in general.
An Introduction to Astronomical Photometry Using CCDs. William Romanishin. University of Oklahoma. A full text and its free!

Asteroids, Comets, Astrometry

Asteroid/Comet Connection. Get news about discoveries.
Guide to Minor Planet Astrometry Direct from the Minor Planet Center at Harvard University.

Double Stars

The Washington Double Star Catalogue. The mother of all information about double stars. The folks at the US Naval Observatory are among the best when it comes to helping double star researchers, including assistance with observing lists.
The Journal of Double Star Observations. One of the best ways to learn about double star research is to read JDSO. All issues can be downloaded.
The Webb Society Double Star Section. The oldest and most active society dedicated to double star observations and research. 

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