M37 in Auriga

M37 (NGC 2099) is a galactic cluster in Auriga
Magnitude: 5.6v
Trumpler Classification: II1r
Apparent Size: 24'
Distance: 4,500 ly
Physical size: 20-25 ly.
Age: 350-550 Mil.Yrs.

Date acquired: January 18, 2013
Camera: Starlight Xpress SXVF-H9
Guider: Starlight Xpress Exview
Scope: Astrotech AT10RC @ F8 (2000mm)
Mount: Losmandy Titan w/Gemini-II
Filters: Astronomik R, G & B type 2c.
Exposures: R,G,B = 10 x 45 seconds each.
Acquired, calibrated, stacked (avg) and RGB combined in Astroart 5
F.O.V. = 15.5' x 11.6' @ 0.66 arc"/Pixel

M37 (mild Gaussian Blur)

M37 (Stronger Gaussian Blur)

Processing Notes:
The backgrounds of each channel were normalized with the green image prior to combining.
Post combine Log stretch.
Boosted color saturation by 70%
Applied a Gaussian blur to soften.