NGC1491 in Perseus - The Fossil Footprint Nebula
with 10" f/3.9 Astrograph
Uploaded 2/22/23

 
Well
            placed in the evening sky, this emission nebulas brightest areas
            resemble a dinosaur footprint.

            
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:  SBIG 10XME NABG with Enhanced Water Cooling
Guider: ASI120  w/80mm Vixen piggyback refractor
Exposure:  3 hours
AstroDon RGB Combine Ratio:  1: 1.05: 1.2
Location:  Payson, Arizona, Elevation:  5150 ft.
Sky:  Seeing FWHM = 6 arcsec , Transparency 6/10
Outside Temperature:  25 F
CCD Temperature:  -20 C
Image Processing Tools: 
Maxim DL6:  Calibration, deblooming, stacking: Deepsky Stacker, PixInsight:  Curves, Deconvolution
Photoshop CC  Curves, Color Correction,  Cleanup

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