Unless stated otherwise all images were taken with a ZWO ASI-178mm mono camera

M51 taken with an amateur telescope from a city balcony.

Messier 51.  20cm SCT, F5 (0.5x Focal Reducer), exp 5 sec x 225 frames = 19 min, limiting magnitude=19.0.

M81 taken with an amateur telescope from a city balcony.

Messier 81.  20cm SCT, F5.0 (0.5x focal reducer), 5 sec x 162 frames = 13.5 min.

M82 taken with an amateur telescope from a city balcony.

Messier 82.  20cm SCT, F10, 5 sec x 120 frames = 10 min.

NGC 891 taken with an amateur telescope from a city balcony.

NGC 891.  20cm SCT, F10, 2 sec x 360 frames = 12 min.

M102 taken with an amateur telescope from a city balcony.

M102.  20cm SCT, F10, 3 sec x 280 frames = 14 min.

NGC 7217 taken with an amateur telescope from a city balcony.

NGC 7217.  20cm SCT, F10, 5 sec x 280 frames = 23 min, limiting magnitude = 19.0.

M64 (E=9.2m M=8.5) a.jpg

M64 the "Black Eye" galaxy.  Exposure 2 sec x 275 frames = 9.2 minutes.

It's just like an "eye" looking in space!

The White Zone

An Urban Astronomer's Light Pollution Guide to Balcony Imaging