NGC 7822 in Cepheus, the Cosmic Question Mark

NGC 7822 is a star forming region in Cepheus

sometimes known as the Cosmic Question Mark.

Hover over the image for an annotated view.

Date:  21 December 2023

FOV:  approximately 6° 52' × 4° 34', 75% moon

Telescope:  Askar FRA300 pro (300mm f/5 Petzval)

Guiding:  ZWO ASI120MM mini mono guide camera,

SVBony SV165 Mini 40mm f/4 guide scope

Computer:  ASIair pro Raspberry Pi

Mount:  ZWO AM5

Camera:  ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS gain 300

Pixel size:  3.76 μm

Resolution:  2.599 arcsec/pixel

Filter:  Optolong L-Ultimate 2" Light Pollution Dual Band Filter

Frames:68 × 240 seconds

Total Time:  4 hours 32 minutes

Processing:  Pixinsight – SPCC, DBE, BlurXT, NoiseXT, GHS, HST, MskStr,

PMath sum, HDR, StarXT, Starless, Stars Sat, PMath Screen Blend, Scale

Location:  Darling Hill Observatory near Vesper, NY