NGC 6946 is a spiral galaxy in Cygnus known
as the Fireworks Galaxy because so
many supernovae occur there.
Hover over the picture for an annotated version
Date: 26 September 2024
FOV: cropped to 54' × 36'; the long axis of NGC 6946 is about 11.4'
Telescope: Orion 127mm Mak-Cass (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
Filter: none
Stacking: one hundred and one 240 second frames using Pixinsight
Total Time: 6 hours 44 minutes
Processing: Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT,
MStr, GHS, HST; PixelMath MStr + GHS + HST → PM,
PM, HDR6i, Sat, Scale
Location: Stony Creek Boat Launch near Henderson, NY
