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The Flame Nebula NGC 2024 and the Horsehead Nebula IC434 or Barnard 33

Category:Deep Sky
Published:
2374
The Flame Nebula NGC 2024 and the Horsehead Nebula IC434 or Barnard 33NGC 1990NGC 2023NGC 2024IC 431IC 432IC 434IC 435
Resolution:
4136x2809 px
File size:
4541 KB

Photo description / processing

The weather forecasts are conflicting. The sky just won't let me gather more data! I have to push the gain up. Even here, it's only about an hour's worth, but still, thanks for letting me see what I wanted!)) Soon, I'll probably start collecting data on one object over several days, or even months! We'll see)

Technical information

Telescope/Lens
Sky-Watcher 72ED DSPro
Camera
ZWO ASI294MC Pro
Mount
Sky-Watcher HEQ5 Pro
Guide Scope
Sky-Watcher finderscope 9X50
Guide Camera
T7C
Accessories
Bahtinov Mask, Sky-Watcher 0.85x Reducer, Optolong L-Pro Filter
Software
SharpCup, DSS4, Fitstacker1.2, PS
Location
Peeterristi, Эстония

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 15 × 300″ · ISO/Gain: 400 · darks-15, offsets-15 ·

Total exposure: 1 h 15 m

Comments

Evgeniy Sergeev
I tested with my ASI533 at gain 100 and 300, and after stretching, the results look the same. However, increasing the gain reduces dynamic range. I think the ASI294 also has an invariant gain, so there’s no point in going above the recommended 120.
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