Sharpless 231 - Sh235
with 10" f/3.9 Astrograph
Uploaded 3/25/25

 

            
Here is new shot of
            Sharpless 231 - Sh235 in Auriga with an additional 6 hours of
            RGB exposure time to bring up the very dim relfection nebula
            permeating this region. On the left is the Pumpkin Nebula, and
            is the largest of the 4 regions. Interestingly there is a diffuse
            reflection nebulosity to the right side of the fame and finally
            note the beautiful red/blue nebula on the lower right corner.
            From Left to Right: Sh2-232, 231, 235, 233

            
Technical Data: 10"
            f/3.9 Newtonian astrograph, Atik 16200 CCD, LRGB = 14 hours total,
            Payson, Az.

            
Select an image size for a larger view:

1600 x 1290


Instrument:  10" f/3.9 Orion Astrograph Newtonian with Baader MPCC
Mount:  Astrophysics 1200 QMD
CCD Camera:  ATIK 16200 
Guider: ASI290  w/80mm WO Zenithstar 81 piggyback refractor
Exposure:  14 hours HaRGB
Astronomik  RGB Combine Ratio:  1: 1.05: 1.5
Location:  Payson, Arizona, Elevation:  5150 ft.
Sky:  Seeing FWHM = 3 arcsec , Transparency 9/10
Outside Temperature:  35 F
CCD Temperature:  -30 C
Image Processing Tools: 
Maxim DL6:  Calibration, PixInsight:  All Remaining processing, Photoshop CS2: Production finishing 

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