Messier 63 in Canes Venatici, the Sunflower Galaxy
NGC 5055, M63, is a flocculent spiral galaxy in Canes Venatici
known as the Sunflower Galaxy. It is in the M51 Group,
contains 400 billion stars, and is 29.3 Mly from us.
Hover over the picture for an annotated version
Date: 28 May 2022
FOV: cropped to 45' × 30'; the major axis of M63 is about 13'
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: Thirty 240 second frames using PixInsight
Calibration: 20 darks, 20 flats, 20 dark flats using PixInsight
Total Time: 2 hours
Processing: Pixinsight – SPPC, DBE, SPCC, BlurXT, NoiseXT, DynCrop → Linear
MStr, GHS, HST, PMath MStr + GHS + HST → Stars, Sat,
StarXT, MStr, GHS, HST, PMath MStr + GHS + HST → Starless,
HDR646PhLm, Sat, PMath ~(~Stars*~Starless) → Blend, scale
Location: Darling Hill Observatory in Vesper, NY