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M 51

Gavriil
47296
Category:Deep Sky
Published:
329
M 51IC 4257NGC 5169NGC 5173NGC 5194NGC 5195NGC 5198IC 4263IC 4277IC 4278IC 4282IC 4284IC 4285
Resolution:
1216x847 px
File size:
362 KB

Photo description / processing

Testing a new lens. The result is decent, the background is terrible, but it works for capturing M51.

Technical information

Telescope/Lens
Jupiter-21M 200mm f/4 Lens
Camera
Canon EOS 550D
Mount
Sky-Watcher EQ2
Accessories
Clock Drive
Software
DeepSkyStacker, Adobe Photoshop CS6
Location
Духовницкое, Россия

Light pollution

Green, Bortle 4 zone

Exposure

  • 40 × 15″ · ISO/Gain: 800

Total exposure: 10 m

Comments

Pavel Korytov
Good lens. Perhaps ISO 400 and a longer exposure will reduce the background noise.
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GavriilReply to Pavel Korytov
Well, I'm still inexperienced at this. Plus, on the first night, there was humidity and the focus was a bit off. But I liked the lens.
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