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M42 Orion Nebula

Alex Ch
1892985
Category:Deep Sky
Published:
1622
M42 Orion NebulaNGC 1973NGC 1975NGC 1976NGC 1977NGC 1980NGC 1981NGC 1982
Resolution:
3996x3013 px
File size:
7339 KB

Photo description / processing

20° above the horizon, white light pollution zone, full moon, greenhouses. Russia, Novosibirsk (balcony)

Technical information

Telescope/Lens
Sky-Watcher 150/600
Camera
Canon 650D mod
Mount
HEQ5 Pro
Guide Scope
60 mm Guide Scope
Guide Camera
ZWO ASI 178 mm
Accessories
Coma Corrector 0.85x
Software
DeepSkyStacker, Siril, PhotoShop
Location
Новосибирск, Россия

Light pollution

White, Bortle 8/9 zone

Date taken

Exposure

  • 30 × 20″ · ISO/Gain: 800 · Optolong L-eNhance

Total exposure: 10 m

Comments

yas
What is the Canon modification?
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Alex ChReply to yas
Cameras have several filters in front of the sensor that block UV and IR ranges, as they are unnecessary for human vision, but this also reduces sensitivity to the emission lines of gas nebulae. The modification involves removing this filter.
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