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 85 - IC2391 - Omicron Velorum Cluster in Vela - 5/2/2022 (Processed stack)
StellarMate scheduling testing in suburban skies with 10s subs.
DeepSkyStacker 4.2.6 Stacked 75% (60) of 80 Images Gain 100 @ 10 Sec, 35 DARK Gain 100 @ 60 Sec, 35 BIAS Gain 100 @ 1/1000 Sec, 19 FLATS Gain 100 @ 1/10000 Sec, Post-processed with Adobe Photoshop CC 2022 with AstroFlat as FLATS not matched
Telescope - PowerNewt 200mm f/4 with ASA Reducer/Coma Corrector (at 65.1mm backfocus) for F=568mm f/2.84, Rigid collar with no extension tube, Astronomik L2 UV-IR filter, QHY 268C CMOS camera field 90' x 134', Ambient ~30C, Camera 0C.
StellarMate on RP-4B with Kstars/Ekos for EQMOD mount control, auto-focusing, plate solving and image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Orion ShortTube 80 with Starlight Xpress SuperStar (Mono) CCD Auto Guider and Ekos auto guiding software.
CaldwellC85 Omicron Velorum Cluster in VelaCollinderCR191 C85 Omicron Velorum Cluster in VelaICIC2391 C85 Omicron Velorum Cluster in VelaOpen Cluster
From 2022 Remote Control
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