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Patrick Prokop
Savannah, GA, USA
10/23/2021
11:00 pm

Equipment Details:

Telescope: Orion EON 130mm Triplet Refractor
Field reducer: Orion 0.8x for the EON 130
Focal ratio: f/5.6
Camera: ZWO ASI 1600mm Pro (monochrome)
Subframes: 5 minutes each except Green (3mn)
Filters:
- Hydrogen Alpha (7nm) ... 2hr 35min
- Oxygen 3 (7nm) ...1hr 40min
- Sulfur 2 (7nm) ... 1hr 05min
- Green (broadband) 1h 30mn
Total integration time: 6hr 50mn
Camera Gain ... sensor temp: 139 ... -10°C
Mount: SkyWatcher EQ6-R Pro
Capture Software: N.I.N.A. Version 11.1 nightly build

Post-processing Details:

Stacking: Deep SkyStacker
Post-processing: PixInsight and Photoshop CC

Image Details:

With Halloween coming up, I thought the Ghost of Cassiopeia is appropriate to view, particularly with the pumpkin orange hue to the nebulosity.