NGC 2237 is an open cluster in Monoceros surrounded by nebulosity.
Hover over the picture for an annotated version
Date: 14 December 2021 and 22 March 2022
FOV: approximately 150' × 100'; NGC 2237 is about 1° 24"
Telescope: Stellarvue SVX102T + SFFR.74 reducer (535mm, f/5.25)
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
Filters: Baader Light Pollution Moonglow filter with IR cut (5 frames) and
Optolong L-eNhance dual narrowband (21 frames)
Stacking: Five 200 second frames (December) and twenty-one 240 second
frames (March) using Deep Sky Stacker
Total Time: 1 hour 40 minutes 40 seconds
Processing: Pixinsight – SPCC, DBE, BlurXT, NoiseXT, HST, GHS, MaskStr,
PMath add, HDR9, StarXt, Stars, Starless, PMathSB, Sat, Scale
Location: Darling Hill Observatory near Vesper, NY
