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This group is for amateur astronomers to compare, review or share knowledge on the mounts we use to hold our OTA's, cameras, and binoculars. This is for the newbie and the experienced ...(more)

The Natural Radio VLF group is a discussion group dedicated to those who enjoy monitoring radio frequencies in the VLF (very low frequency) radio spectrum and slightly below the VLF ...(more)

This is a place where TMB telescope owners and admirers can talk shop, compare, and discuss different aspects of their particular telescopes. It is not limited to just TMB talk, as ...(more)

This group is dedicated to SAC owners who wish to show their prize photos, give tips and hints, and enjoy learning how to get the most out of their SAC cameras. We only ask that you ...(more)

TO JOIN: To prevent spamming, we ask for a one-line statement of your interest in this group. During the sign-up process you'll be given a chance to provide a short message to the group ...(more)

Welcome! :-) This group is mainly for owners of Celestron's "baby" Nexstar scopes - the 60mm and larger refractors, and reflectors under 8". Other scope owners also welcome. Membership ...(more)

Group for Users of Satellite Tracker software for Satellite Observing with Meade, Celestron and Astro-Physics Telescopes. The software is now freeware. It's in the files section, ...(more)

Starry Night The Realistic Astronomy Software Introduce yourself to the wonders of the night sky with Starry Night. Astronomy software so realistic and easy to use that learning your ...(more)

Discussion group for Owners and Makers of Novosibirsk TAL Astronomical Telescopes and Invited Guests Only. NEW members are placed in moderation when they first sign up. They are allowed ...(more)