HFG 1 and Abell 6 in Cassiopeia
HFG1, above right of center, and Abell 6, just below center,
are extremely faint. They are 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 2° 30' × 1° 40'
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,
Linear → HST, GHS, MStr → Stars, Sat
Linear → StarXT → Starless, GHS → Nebulae
PixelMath max(PM, Nebulae), 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