NGC 1245 is an open cluster in Perseus. 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 60' × 40'; the angular size of NGC 1245 is 10'
Telescope: Stellarvue SVX102T + SFFX-1 flattener (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: Optolong UV/IR cut
Stacking: forty-four 300 second frames using PixInsight
Total Time: 3 hours and 40 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
