M65/M66 Spiral Galaxies in Leo
Uploaded 3/17/16

 
This
            bright pair shows plenty of fine details upon close inspection,
            and a definite color difference between the more white M66 on
            the left and the more yellow M65 on the right.

            
Select an image size for a larger view:

1290 x 960

Instrument:  10" f/3.9 Orion Astrograph Newtonian with Baader MPCC
Mount:  Astrophysics 1200 QMD
CCD Camera:  SBIG 10XME NABG with Enhanced Water Cooling
Guider: Meade DSI Pro  w/80mm piggyback refractor
Exposure:  LRGB = 60:5:5:5
AstroDon RGB Combine Ratio:  1: 1.05: 1.2
Location:  Payson, Arizona, Elevation:  5150 ft.
Sky:  Seeing FWHM = 3 arcsec , Transparency 6/10
Outside Temperature:  35 F
CCD Temperature:  -20 C
Image Processing Tools: 
Maxim DL6:  Calibration, deblooming (Starizona Debloomer), aligning, stacking
PixInsight:  Curves, Deconvolution
Photoshop CS2:  Curves, Color Correction, Gradient removal (Grad Xterminator), Cleanup

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