IC1795 - The "Fishhead Nebula" in Cassiopiea
with 10" f/3.9 Astrograph
Uploaded 1212/21

 
This
            highly structured emision nebula complex is buried in a dense
            dust cloud, even the stars have a yellowish tint in this field.
            A bit of reflection nebulosity at the top is also seen. Field
            here is 1 degree wide.

            
Select an image size for a larger view:

1400 x 1290


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: ASI120  w/80mm Vixen piggyback refractor
Exposure:  4 hours total integration time - Ha:3h, RGB:1h
AstroDon RGB Combine Ratio:  1: 1.05: 1.2
Location:  Payson, Arizona, Elevation:  5150 ft.
Sky:  Seeing FWHM = 3 arcsec , Transparency 9/10
Outside Temperature:  35 F
CCD Temperature:  -25 C
Image Processing Tools: 
Maxim DL6:  Calibration, deblooming, stacking: Deepsky Stacker, PixInsight:  Curves, Deconvolution
Photoshop CC  Curves, Color Correction,  Cleanup

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