IC 2118, the Witch Head Nebula, in Eridanus.
Hover over the image for an annotated view.
Date: 18 and 23 November 2022
FOV: cropped to 3° 45' × 2° 30' the angular size of IC 2118 is about 1° by 3°
Telescope: Askar FRA300 pro (300mm f/5 Petzval)
Guiding: ZWO ASI120MM mini mono guide camera,
ZWO 30F4 30mm mini guide scope
Computer: ASIair pro Raspberry Pi
Mount: iOptron CEM40
Camera: ZWO ASI071MC Pro Cooled (-10°C) Color CMOS
Filter: Baader Light Pollution Moonglow filter with IR cut
Stacking: fifty-two 240 second frames, (18 November) and
eighty-three 240 second frames, (23 November) using Pixinsight
Total Time: 9 hours
Processing: Pixinsight – SPPC, DBE, SPCC, BlurXT, NoiseXT,
MStr, GHS, HST, PixelMath MStr + GHS + HST → Add,
HDR8iLm, Sat, Scale
Location: Kopernik Observatory near Vestal, NY on 18 November and
Darling Hill Observatory near Vesper, NY on 23 November
