HFG 1 and Abell 6 in Cassiopeia
HFG 1 and Abell 6 are faint planetary nebulae that formed
when stars approximately the size of our sun died.
Hover over the image for an annotated view.
Date: 10, 29 September, and 2, 5 October 2024
FOV: approximately 75' × 50'
Rotation: 119.641°
Telescope: Stellarvue SVX102T + SFFR.74 reducer/flattener
(522.01mm, nominally 528mm, f/5.18)
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 to -10°C 10 Sept 2024
ZWO ASI6200MC pro cooled to -10°C 29 Sept, 2, and 5 Oct 2024
Pixel size: 4.78 μm on 10 Sept 2024 and 3.76 μm on 29 Sept, 2,and 5 Oct 2024
Resolution: 1.884 arcsec/pixel 10 Sept 2024
1.475 arcsec/pixel 29 Sept, 2, and 5 Oct 2024
Frames:10 September 202498 × 240 seconds × 90 gain,
29 September 2024102 × 240 seconds × 300 gain,
2 October 202420 × 240 seconds × 300 gain,
5 October 2024130 × 240 seconds × 300 gain
Filter: Baader Semi-Apo filter 10 September 2024,
Optolong L-Ultimate filter 29 September, 2, and 5 October 2024
Stacking: Pixinsight – ninety-eight 240 second frames → Stars
two hundred and fifty-two 240 second frames → Nebulae
Total Time:6 hours 32 minutes → Stars,
16 hours 48 minutes → Nebulae
23 hours 20 minutes total
Processing: Pixinsight – SPCC, DBE, SPCC, BlurXT, NoiseXT,
ASI071 Linear → HTS, GHS, MStr → Stars, Sat
ASI071 Linear → StarXT → Starless, HTS, GHS, MStr → IFN
ASI6200 Linear → StarXT → Starless, HTS, GHS, MStr → Nebulae
PixelMath ~(~IFN*~Nebulae) → IFN_Neb,
PixelMath ~(~Stars*~IFN_Neb), DynCrop/Scale
Location: Darling Hill Observatory near Vesper, NY on 10 September 2024,
Crystal Lake near Redwood, NY on 29 September 2024,
Stony Creek Boat Launch near Henderson, NY on 2 October 2024,
Cherry Springs State Park near Coudersport, PA on 5 October 2024