NGC 7293 in Aquarius, the Helix Nebula
NGC 7293, the Helix Nebula in Aquarius.
More recently named the God's Eye Nebula.
One of the largest as viewed from and perhaps
the closest planetary nebula to our solar system.
Date: 23 August 2022 and 22 October 2022
FOV: approximately 68' × 45'; the angular size of NGC 7293 is about 25'
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
Frames: 23 Aug 2231 × 240 s × 240 gain, Optolong L-eNhanced filter
23 Aug 2214 × 240 s × 90 gain, Baader Light Pollution filter
22 Oct 2254 × 240 s × 240 gain, Optolong L-eNhanced filter
Stacking: Ninety-nine frames using Pixinsight
Total Time: 6 hours 36 minutes
Processing: Pixinsight – Part I: DBE, SPCC, EzDeNoise, HistoTrans, HDR,
StarXTerminator for Nebula, Part II: from EzDeNoise – Curves,
PixelMath to combine Parts I and II, Saturation, Crop/Scale
Location: Cherry Springs State Park near Coudersport, PA