Image information:

Date: 11/20/2021
Equipment: Moravian C1+ 12000A camera through APM/LZOS 105/650 APO telescope with IDAS HEUIB-II filter on Losmandy GM8 mount. The telescope was working at f6.2 with Astro-Tech 2" field flattene
Image type: OSC
Exposure time: 160X30s, gain 40.

Object information:

Object designations:

M39, NGC 7092
Object type:
Open star cluster
Object size:
Constellation: Cygnus

Related images:

List of related images:

M39 contains some 30 stars in a 7 ly diameter. They are about 250 million years old, which makes them very young. The cluster is one of the closest to us, it is 800 ly distant. It can be seen with the naked eye as a dim hazy patch.