NGC 6888 Crescent Nebula

Image Description and Details :
I photographed this composite image during July-August 2020 in my private observatory (Russia, Moscow region, Makeikha SQM 20.70 mag./arc sec2; Bortle class 4).
Technical Data:
Telescope: SkyWatcher Quattro 8S
Shooting Camera: ZWO Optical ASI 1600-MM COOLED
Mounts: SkyWatcher EQ 8 PRO Mount
Telescope Guides: SkyWatcher EvoGuide 50ED
Guide camera: ZWO ASI ZWO 120mm mini
Focus Reducers: TeleVue Paracorr Type-2
Program: Ivan Ionov Fitstacker · by Christian Buil Iris 5.59 · Fitswork 4 · Adobe Photoshop CS 5.1
Filters: Astronomik LRGB 1.25 "the Type IIc · Baader Planetarium OIII 1.25" 8.5nm-CCD · Baader Planetarium H-alpha 1.25" CCD 7 nm
Frames:
Astronomik B (type 2c): 10x180" -20C bin 1x1
Astronomik G (type 2c): 10x180" -20C bin 1x1
Astronomik R (type 2c): 10x180" -20C bin 1x1
Baader Planetarium H-alpha 1.25" CCD 7 nm: 105x600" -20C bin 1x1
Baader Planetarium OIII 1.25" CCD 8.5nm: 60x600" -20C bin 1x1
Accumulation: 29.0 hours
Dark frames: ~ 15
Flat field frames: ~ 15
Offset Frames: ~ 15

Copyright: Sviatoslav Lips