M107 and Sharpless 2-27 - Globular Cluster and Emission Nebula in Ophiuchus
with 10" f/3.9 Astrograph @ f/2.9
Uploaded 7/16/24

 
Sharpless
            2-27 in Ophiuchus is one of the largest single round hydrogen
            clouds in the sky, so large in fact you need telephoto lenses
            to image it in its entirety. Its size means it can cover up several
            other deep sky objects such as here with M107 in the background.
            Very few imagers ever go long enough on M107 to record this huge
            foreground sea of hydrogen, and many seasoned imagers are even
            surprised at how beautiful this field is with enough exposure
            time. Technical Data: 10" f/2.8 Astrograph, Atik 16200 CCD,
            3h integration, Payson Az.

            
Select an image size for a larger view:

1400 x 1290


Instrument:  10" f/3.9 Orion Astrograph Newtonian with Nexus 0.75x CC
Mount:  Astrophysics 1200 QMD
CCD Camera:  ATIK 16200 
Guider: ASI290  w/80mm WO Zenithstar 81 piggyback refractor
Exposure:  3 hours
Astronomik  RGB Combine Ratio:  1: .9: 1.6 = G2V  calibrated
Location:  Payson, Arizona, Elevation:  5150 ft.
Sky:  Seeing FWHM = 3 arcsec , Transparency 9/10
Outside Temperature:  65 F
CCD Temperature:  -30 C
Image Processing Tools: 
Maxim DL6:  Calibration, PixInsight:  All Remaining processing, Production finishing: Photoshop CS2

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