Description

The Clamshell Nebula

Equipment

Imaging Telescopes Or Lenses: William Optics ZenithStar 61 / ZS61
Imaging Cameras: ZWO ASI1600MM COOL
Mounts: Sky-Watcher EQ6-R Pro
Filters: ZWO H-alpha 7nm 36 mm · ZWO O-III 7nm 36 mm · ZWO S-II 7nm 36 mm
Accessories: Pegasus Astro Powerbox Advance Gen2 · William Optics Flat61A · ZWO EFW 7 x 36mm · ZWO OAG (Off-Axis Guider)
Software: Pleiades Astrophoto PixInsight · Russell Croman Astrophotography BlurXTerminator · Russell Croman Astrophotography NoiseXTerminator · Russell Croman Astrophotography StarXTerminator · Stefan Berg Nighttime Imaging ‘N’ Astronomy (N.I.N.A. / NINA)
Guiding Telescopes Or Lenses: William Optics ZenithStar 61 / ZS61
Guiding Cameras: ZWO ASI120MM Mini

Acquisition details

Dates: Sept. 15 – 20, 2023, Sept. 22, 2023, June 29 – 30, 2024
Frames:
ZWO H-alpha 7nm 36 mm: 37×900″(9h 15′)
ZWO O-III 7nm 36 mm: 80×900″(20h)
ZWO S-II 7nm 36 mm: 19×900″(4h 45′)
Integration: 34h
Avg. Moon age: 7.77 days
Avg. Moon phase: 20.54%
Bortle Dark-Sky Scale: 8.00