Thank you for sharing your photos - this is exactly what this project is all about! :-)
I reworked some old material while trying to learn PixInsight.
The Soul Nebula, S2-199, LBN 667
Mount: MT-90
Telescope: TS-Photon 8" f/4
Coma corrector: Starizona Nexus 0.75x
Camera: ZWO ASI 2600mc
Finder scope: 32x125mm
Guide camera: ZWO ASI 178mm
Filter: IDAS NBZ
Total integration: 4.0 hours
Date: October 16, 2022
Single exposure: 300 seconds
Bin 1x1, Sensor temperature: 0°C
ISO/Gain: 0
Calibration: 30 darks, 30 biases, 30 flats
Processing: DSS, FITStacker, Nebulosity4, Starnet, PixInsight, Photoshop
Sky brightness: Orange zone.
Beautiful. The slight distortion of the stars is due to placing the filter in front of the Starizona 0.75x corrector. Through experience, it has been verified that stars are pinpoint only when the filter is in the filter drawer behind the corrector.
I didn't quite get the exposure segment right, and I didn't bother adjusting it further—I just shot as is. Plus, I didn't have a slider; I just bought one (a colleague is selling theirs), so it should be easier with filters now. Changing them without one was a whole ordeal.
24 Dec, 2022
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