The galaxies M65, M66, and NGC 3628 comprise the Leo Triplet
or the M66 Group which is about 35 Mly from us.
Hover over the picture for an annotated version
Date: 26 March 2023 and 9 May 2023
FOV: cropped to 90' × 60'; the angular size of the Hamburger
Galaxy, NGC 3628, is about 14' × 3.6'
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: ZWO AM5
Camera: ZWO ASI071MC Pro Cooled (-10°C) Color CMOS with gain 90
Filter: Baader Light Pollution Moonglow filter with IR cut
Stacking: 74 frames (26 March 2023) and 40 frames (9 May 2023), all 114 frames
240 seconds with dark flats, darks, and flats preprocessed in Pixinsight
Total Time: 7 hours 36 minutes
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,
HDR8464PhLm, Sat, PMath ~(~Stars*~Starless) → Blend, scale
Location: Darling Hill Observatory near Vesper, NY