The beautiful spiral galaxy NGC 3521 is only 35 million light years away from us, in the constellation of Leo. Relatively bright in the Earth's sky, NGC 3521 is easily visible in small ...
Sh2-278: A dark emission nebula in Orion. Only One hour and twenty minutes of 5 minute x3 lights per filter, HaLRG, and 5min x3 of B, data from TL AUS observatory. First attempt at HaL...