Geyserland Observatory is a small Amateur Backyard Observatory. We research mainly Cataclismic Variable Star. We also monitor global warming with a sun photometer and solar radiometer. We using this instruments to record Water Vapor, but our main activity
Arkansas Sky Observatory is designated codes H41 (Petit Jean), H44 (Cascade Mtn.), H43 (Conway) and H45 (Petit Jean South) from the Harvard Minor Planet Center and Central Bureau of Astronomical Telegrams. Celebrating its 34th year in serving astronomers
Astronomy and amateur astrophotography with CCD, astronomia y fotografia astronomica de aficionado con CCD, Miguel Muro Serrano (mizarmms), MPC J12, AAVSO MMIC
Geyserland Observatory is a small Amateur Backyard Observatory. We research mainly Cataclismic Variable Star. We also monitor global warming with a sun photometer and solar radiometer. We using this instruments to record Water Vapor, but our main activity