NGC 281, the Pacman Nebula.
Hover over the picture for an annotated version
Date: 27 August 2023
FOV: approximately 110' × 73'; the angular size of NGC 281 is about 35'
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: iOptron CEM40
Camera: ZWO ASI071MC Pro Cooled (-10°C) Color CMOS, gain 240
Pixel size: 4.78 μm
Resolution: 1.336 arcsec/pixel
Filter: Optolong L-eNhanced 2" Light Pollution Dual Band Filter
Stacking: Thirty 240 second frames using Pixinsight
Calibration frames: 20 dark, 20 flat, 20 dark flat
Total Time: 2 hours
Processing: Pixinsight – SPCC, DynCrop, BlurXT, NoiseXT, GHS, Sat, and Scale
Location: Darling Hill Observatory near Vesper, NY