Caldwell 4
Photo description / processing
Decided to play with the data I have. The main backbone of the image is 7 hours with the 585mc pro. I extracted the L channel from this data and stacked it with 3 hours of L from the 2600mm. The result was a combined L, and I took the colors from the 585. A great warm-up for the brain, while I shot a little on the mono of the Iris, and my hands are always itching.
Technical information
- Telescope/Lens
- Askar 71F
- Camera
- ZWO ASI585MC Pro + ZWO ASI2600MM PRO
- Mount
- JUWEI 14
- Guide Scope
- ToupTek GS-200 AR
- Guide Camera
- Zwo ASI662MC
- Accessories
- CAA, EAF, EFW, ASIAIR MINI, Askar Reducer x 0.75, Gemini PowerBox
- Software
- Siril, Adobe Photoshop, Adobe Lightroom, StarNet++
- Location
- Самара, Россия
Light pollution
Yellow, Bortle 5 zone
- Date taken
Exposure
- 91 × 300″ · ISO/Gain: 200 · Optolong UV IR Cut ·
- 54 × 300″ · ISO/Gain: 100 · Optolong L ·
Total exposure: 12 h 5 m
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