Sh2-157 (Crab Claw + Bubble)
Photo description / processing
SH2-157 The Crab's Claw and a lot around it.
It was shot on a leftover basis after the main summer targets. An extremely tricky object to process in the context of harmonious palettes. None of the SHO versions have pleased me so far. The current one is H+S-O-O, and even then, I can't say I'm completely happy with it.
I definitely plan to gather more signal this summer—maybe a new version, and a colorful one, will come out.
Discussion in the astrochat - https://t.me/dalniycosmos_chat , there are many of us there, haters are especially welcome)
Technical information
- Telescope/Lens
- Askar 107PHQ
- Camera
- QHY268M
- Mount
- ZWO AM5
- Guide Scope
- QHY OAG
- Guide Camera
- Touptek GPM462M
- Accessories
- askar 0.7x reducer
- Software
- Pixinsight, GraXpert, N.I.N.A, Photoshop
- Location
- Мержаново (Ростовская область), Россия
Light pollution
Yellow, Bortle 5 zone
- Date taken
Exposure
- 16 × 600″ · ISO/Gain: 56 · Ha ·
- 16 × 600″ · ISO/Gain: 56 · OIII ·
- 16 × 600″ · ISO/Gain: 56 · SII ·
Total exposure: 8 h 0 m









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