Messier M37


Object Information
Messier object: M37
NGC (New General Catalog) number: NGC 2099
Discription: Open Cluster
Located in constellation: Auriga
Right ascension in hours:minutes: 5:52.4
Declination in degrees:minutes: 32:33
Visual magnitude: 6.2
Size: 24.0 arc minutes
Image size: 49.53 arc minutes high by 40.98 arc minutes wide
Image orientation: North is top, East is left
Detailed discription of M37 in SEDS Messier database
Other Messier galleries, images or catalogs

Observing Log
Date December 20, 1998
Time at end of first CCD image 22:30 PST
Time at end of last CCD image 22:43 PST
Observing Location: At home on the drive way
Observation of object: M37 is an irregularly round open cluster with lots of bright stars. M37 is located in the Milky Way which provides a rich backgound of stars.
Sky Conditions
Sky transparency: 5.5 (Magnitude of the faintest star visible with the unaided eye in Ursa Minor)
Moon sets at 18:31 PST
Astronomical twilight ends in the evening at 18:16 PST
Astronomical twilight starts in morning at 6:00 PST December 21, 1998
Observing Equipment
80 mm aperture refractor telescope and CCD Cookbook Camera
CCD image time: 4 - 240 seconds images added together
CCD dark calibration frames: 8 - 240 seconds dark frames
JASC Inc. Paint Shop Pro version 4.12 used for editing star blooming in the image.

Use Test patterns to calibrate monitor brightness, contrast, height and width