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: cropped to 25' × 16' 40"
the angular size of NGC 1245 is 10'
Rotation: 0.033°
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
Resolution: 1.885 arcsec/pixel
Pixel size: 4.78
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,
MultiscaleAdaptiveStretch, DynCrop, Sat
Location: Darling Hill Observatory near Vesper, NY
