Caldwell Objects
I recommend a book entitled 'The Caldwell Objects' by Stephen James O'Meara, 2002
Note: This gallery should be automatically sorted by Caldwell #.
Caldwell 67 - NGC1097 - Barred Spiral Galaxy in Fornax - 29/9/2022 (Processed cropped stack)
Testing ED80 0.85x reducer from the suburbs in Bortle 6 skies.
AstroPixelProcessor 2.00 (Beta 4) Stacked 100% (45) of 45 Images (OSC) GAIN 100@ 60 Sec, Calibrated with 35 DARK @60 Sec, 35 BIAS, 19 FLATS, Post-processed with APP for sky background and colour gradient, and for star colour balance. Further processed in Adobe Photoshop CC 2022 to imroved contrast and nosie with Topaz AI
Telescope - Skywatcher ED80 80/750 with 0.85x Focal Reducer F=510, Hutech NB1 filter, QHY 268C (OSC) camera, field 100' x 150' , Ambient ~15, cooled to 0C. StellarMate for EQMOD mount control and Image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Orion ShortTube 80 with Starlight Xpress SuperStar (Mono) CCD Auto Guider StellarMate auto guiding software.
CaldwellC67 Barred Spiral Galaxy in FornaxGalaxyNGCNGC1097 C67 Barred Spiral Galaxy in Fornax
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