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Uploaded 10-Feb-11
Taken 5-Feb-11
Visitors 46

20 of 48 photos
Categories & Keywords

Subcategory:Night Sky
Subcategory Detail:
Keywords:Auriga, Cluster, Cluster, M37, Messier, Open
Photo Info

Dimensions3600 x 2400
Original file size5.46 MB
Image typeJPEG
Color spaceUncalibrated
Date taken5-Feb-11 17:25
Date modified10-Feb-11 17:26
Shooting Conditions

Camera makeCanon
Camera model40D Modified
ISO speedISO 1600
M37 Open Cluster in Auriga

M37 Open Cluster in Auriga

About this Object:
Messier 37 is the brightest of the three open clusters in Auriga. M37 is roughly 300 million years old and contains over 500 stars with roughly 150 stars brighter than magnitude 12.5. M37 also contains at least a dozen red giants with the hottest main sequence star of spectral type B9V. Its distance is between 3,600 to 4,700 light years.

About this Photo:
Date(s): February 5, 2011
Location: From my driveway in Georgetown, Texas
Telescope: Celestron C9.25 @ F6.5
Mount: HEQ-5
Guiding: Orion StarShoot AutoGuider / Taurus Tracker III
Camera: Canon 40D Modified
Filter: Astronomik CLS
Exposure: 7 x 120 sec @ ISO1600 (12 Minutes total)
Acquisition: ImagesPlus 3.75 Camera Control
Processing: ImagesPlus 3.75 – Darks,Flats,Bias
Post-processing: Adobe Photoshop CS3; Gradient Exterminator; Noel Carboni's Tools;
Temperature(s): 40º F