6888 in Cygnus, the Crescent Nebula

NGC 6888, the Crescent Nebula in Cygnus,

is an emission nebula.

Hover over the image for an annotated view.

Date:  28 June 2022

FOV:  cropped to 68' × 45'; the angular size of NGC 6888 is about 18' × 12'

Telescope:  Stellarvue SVX102T + SFFX-1 flattener (714mm, f/7)

Guiding:  ZWO ASI120MM mini mono guide camera,

Stellarvue F050G 50mm guide scope

Computer:  ASIair pro Raspberry Pi

Mount:  iOptron CEM40

Camera:  ZWO ASI071MC Pro Cooled (-10°C) Color CMOS with gain 240

Filter:  Baader Light Pollution Moonglow filter with IR cut (10 frames)

and Optolong L-eNhance narrow dual band (30 frames)

Stacking:  Forty 240 second frames using Deep Sky Stacker

Total Time:  2 hours 40 minutes

Processing:  Pixinsight – SPPC, DBE, SPCC, BlurXT, NoiseXT, DynCrop,

MStr, GHS, HST, PMath MStr + GHS + HST, HDR4, Scale

Location:  Darling Hill Observatory in Vesper, NY