NGC 2841 is a spiral galaxy approximately 46 Mly from us.
Hover over the picture for an annotated version
Date: 2 and 7 November 2024
FOV: cropped to 30' × 20'; NGC 2841 is about 8.1′ × 3.5′
Telescope: Orion 127mm Mak-Cass (1381mm, nominally 1540mm, f/12.1)
Guiding: ZWO ASI120MM mini mono guide camera,
SVBony SV165 Mini 40mm f/4 guide scope
Computer: ASIair pro Raspberry Pi
Mount: ZWO AM5
Camera: ZWO ASI071MC Pro Cooled (-10°C) Color CMOS with gain 90
Pixel size: 4.78 μm
Resolution: 0.714 arcsec/pixel
Frames:2 November 2024 36 × 240 seconds
7 November 2024 26 × 240 seconds
Filter: none
Stacking: sixty-two 240 second frames
Calibration: 20 darks, 20 flats, and 20 dark flats in PixInsight
Total Time: 4 hours and 8 minutes
Processing: PixInsight – DynCrop, SPCC, DBE, SPCC, BlurXT, NoiseXT,
HST, GHS, MStr, PixelMath HST + MStr + MStr → Add,
HDRMST5iLm, Masked Sat, Scale
Location: Darling Hill Observatory near Vesper, NY
