NGC 1245 is an open cluster in Andromeda. It has
about 200 stars and is 9.8 kly from us.
Hover over the picture for an annotated version
Date: 16 October 2025
FOV: approximately 90' × 60'; the angular size of NGC 752 is 50'
Telescope: Askar FRA300 pro (300mm f/5 Petzval)
Guiding: ZWO ASI120MM mini mono guide camera,
SVBony SV165 Mini 40mm f/4 guide scope
Computer: ASIair pro Raspberry Pi
Mount: ZWO AM5 mount
Camera: ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS
with gain 100
Filter: Optolong UV/IR cut
Stacking: forty-nine 300 second frames using PixInsight
Total Time: 4 hours and 5 minutes
Processing: Pixinsight – SPPC, DBE, SPCC, BXT, NXT → Linear
MStr, GHS, HST, PMath MStr + GHS + HST → Stars,
DynCrop, Sat
Location: Darling Hill Observatory near Vesper, NY
