M37 (NGC 2099) Aur open cluster
Difficulty level 1
Date of observation: 1999/03/06 20:34
Observing site: Hoshinomura
Transparency/seeing/sky darkness:1/3/2
Instruments: 32cm Dobsonian with XL14 at 110x
Width of field: 0.6‹
This is an open cluster with numerous faint stars densely packed.. Individual stars are bright and completely resolved. It is a fine sight. A bright red star at the center is conspicuous. The distribution of stars is uniform, but if you look at it carefully, many strings of stars will be recognized; for example, the letter S located south of the central star.