The Eagle nebula in Serpens Uploaded 8/24/19 One of the last few major objects in the Summer sky I had not done yet with the 8 inch astrograph. This 30 minutes set was under unusually clear skies for the Monsoon Season. Sky meter read 21.7 at the zenith.
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Instrument: 8" f/3.9 Orion Astrograph Newtonian with Baader MPCC
Mount: Home made GEM with Byers Starmaster Drive
Camera: Canon XTi DSLR modified by Hutech for full spectrum
Guider: Meade DSI Pro w/60mm piggyback refractor
Exposure: 30 mins total
Location: Happy Jack, Arizona, Elevation: 6800 ft.
Sky: Seeing FWHM = 2 arcsec , Transparency 7/10
Outside Temperature: 58 F
Image Processing Tools:
Maxim DL6: Calibration, aligning, stacking
PixInsight: Curves, Deconvolution
Photoshop CS2: Curves, Color Correction, Gradient removal (Grad Xterminator), Cleanup