Sh2-290 is a very faint planetary nebula in Cancer.
Hover over the picture for an annotated version
Date: 14 February 2024
FOV: Cropped to 69' × 46'; the angular size of Sh2-290 is about 16'
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 Semi-Apo moonglow and light pollution filter
Stacking: Forty-one 240 second frames using Pixinsight
Calibration: 20 darks, 20 flats, and 20 dark flats
Total Time: 3 hours 4 minutes
Processing: Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT, HST, GHS, MStr,
PMath add MStr, GHS, HST, StarXT, Stars and Starless,
Stars Sat, Starless blackpoint clipped and NoiseXT, Bkg, PMath max blend, Crop
Bkg Sat, PMath max(Stars,Starless,Bkg), Crop
Location: Stony Creek Boat Launch near Henderson, NY
