Click on the image for a full resolution version
See this image also on Instagram
Messier 37 is a rather old open cluster located about 4,500 light years away in the constellation Auriga. M37 is a rich cluster (around 500 stars) as well as also large (it occupies about 20 light years, 24 arcmin). It lies in the “antipodal direction” (meaning “opposite”) of the galactic center. Over a dozen red giants can be found in M37.
Additional Information
Object
Name(s): Messier 37. M37. NGC 2099
Type: Open Cluster
RA: 05h 52m 17s
Dec: +32º 32’ 54”
Constellation: Auriga
Size (arcmin): 24×24 arcmin
Magnitude: +5.6
Distance: 4,500 light years
Image
Date: 2021-10-04
Location: Curiosity2 Observatory, New Mexico Skies, Mayhill, NM, USA
Size (arcmin): 31×31 arcmin
Telescope: 24” (61 cm) f/6.5 Reflector
Camera: FLI PL16803 (4096x4096pix)
Guiding: Astrodon MonsterMOAG off-axis guider
Total exposure: 3 hours (1 h each RGB)
Processing: CCDStack, Photoshop CC 2022