Collinder 438
Collinder 438 (Cr 438), better known as NGC 7092, is an open cluster in the constellation Cygnus. It lies at a distance of roughly 950 light-years. The same open cluster also appears in other catalogues as Mel 236, M 39. The Collinder catalogue of 471 clusters, compiled by Per Collinder in 1931, gathers both famous showpieces and obscure groupings such as this one.
The image on this page was taken at the Pollux Observatory in Zuidlaren on 25 June 2026 with the Takahashi FSQ106 ED and a ZWO ASI 1600mm Pro. Total integration time was 0.75 hours. Data was collected through groen, blauw, rood.
Object Data
Collinder:Cr 438
Also known as:NGC 7092, Mel 236, M 39
Type:Open cluster
Constellation:Cygnus
Distance:~950 light-years
Observation Data
Location:Pollux Observatory, Zuidlaren
Date:25 June 2026
Technical Data
Exposure time:G- 12 x 90 sec
B- 8 x 90 sec
R- 10 x 90 sec
Total: 0.8 h
B- 8 x 90 sec
R- 10 x 90 sec
Total: 0.8 h
Telescope:Takahashi FSQ106 ED
Camera:ZWO ASI 1600mm Pro
Color palette:Natural colour (RGB)
Filters:groen, blauw, rood