Alt. Designations: NGC 2099
Object Type: Open Cluster
Constellation: Auriga
Distance: 4.4 kly
Right Ascension: 05h 52m 18.3s
Declination: +32° 33´ 11"
Visual Magnitude: 5.6
Apparent Dimension: 15.0´ Dia.
Best Month To View: Dec

M37 is a galactic cluster of about 150 stars located in the constellation Auriga. It has a diameter of about 200 light-years, making it roughly twice the size as nearby M36. At a distance of around 4,600 light-years, it is the richest and brightest of the Auriga clusters. It is also the oldest at about 300 million years. M37 is considered to be one of the finest open clusters in the heavens. It is easily viewed in binoculars and small telescopes.