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M42 in the constellation Orion

Iren
1212392
Category:Deep Sky
Published:
656
M42 in the constellation OrionNGC 1973NGC 1975NGC 1976NGC 1977NGC 1980NGC 1981NGC 1982IC 420
Resolution:
2369x2477 px
File size:
8821 KB

Technical information

Telescope/Lens
SharpStar 61EDPH III
Camera
ZWO ASI533MC Pro
Mount
JUWEI 14
Guide Scope
SVBONY SV106 60mm Guide Scope
Guide Camera
ZWO ASI120MM
Accessories
0.75x Reducer, ZWO ASIAIR Mini
Software
DeepSkyStacker, Siril, Pixinsight, Adobe Photoshop
Location
Смоленская область, Алексинский астродомик, Россия

Light pollution

Black, Bortle 1 zone

Date taken

Exposure

  • 152 × 60″ · ISO/Gain: 100 · Optolong L-pro ·
  • 20 × 30″ · ISO/Gain: 100 · Optolong L-pro ·
  • 10 × 180″ · ISO/Gain: 100 · Optolong L-pro ·

Total exposure: 3 h 12 m

Photo versions

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Comments

oeswww
Comment on photo: M42 in the constellation Orionfrom
I like it. Did you crop a lot? I have this nebula complex on the same setup, but with one difference—the main camera sensor. It's a bit larger, of course.
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Nikolay Gorbunov
Comment on photo: M42 in the constellation Orionfrom
Very cool! I haven't shot Orion in a long time, and I really want to.
Could you please explain the purpose of shooting in 3 different "combinations" of exposure and gain? I've seen many people do it, but I don't understand why.
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IrenReply to Nikolay Gorbunov
Comment on photo: M42 in the constellation Orionfrom
The idea was to capture the nebula's core. If you shoot with long exposures all the time, the brighter parts of the nebula will be overexposed and difficult to recover. I didn’t take enough 30-second frames—I should have also taken some 10–15 second shots. Proper processing saved the object.
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Buzzard
Comment on photo: M42 in the constellation Orionfrom
Very beautiful!

Is the telescope mentioned in the description? It's not very clear where the diffraction spikes on the stars are coming from.
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