Abell21 (binoscope)The Medusa Nebula (Abell 21) is so faint that it wasn't discovered until 1955. Even with my 2x18" binoscope this nebula wasn't keen on revealing itself at…Abell72 (binoscope)Abell 72, an old planetary nebula in Delphinus that has grown 2.5 light-years across, has become so airy that it's almost invisible.Abell82 (binoscope)Abell 82 is a nice planetary nebula that looks like a miniature Dumbbell.Abell2666 (18in Dobson)When the sky’s of very good quality you might try something like this. Abell 2666 is a rich cluster of galaxies. This means that every faint fuzzy you see on…ARO215 (binoscope)ARO 215 (also Abell 7) is an old planetary nebula in the constellation of Lepus, the hare, that's become so large that it's almost completely dissipated into…NGC2023 + IC434 + B33 (binoscope)B33, the famous Horsehead Nebula. Without H-Beta filter it was just discernable against the marginally brighter background nebula IC434.