M 51 in Canes Venatici, the Whirlpool Galaxy
M 51, NGC 5194 and NGC 5195, or the
Whirlpool Galaxy in Canes Venatici.
Several small galaxies are incidental captures in the photo.
Hover over the picture for an annotated version
Date: 4 May 2022
FOV: approximately 45' × 30'; the major axis of M 51 is about 11'
Telescope: Stellarvue SVX102T + SFFX-1 (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
Stacking: Twenty-five 240 second frames using Deep Sky Stacker
Total Time: 1 hour 40 minutes
Processing: Pixinsight – SPPC, DBE, SPCC, BlurXT, NoiseXT, DynCrop,
MStr, GHS, HST, PMath MStr + GHS + HST, HDR5, Sat, Scale
Location: Selkirk Shores State Park near Pulaski, NY