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M 57, 



    
        

            Mira

M 57

Acquisition type: Lucky imaging

Acquisition details

Dates:
June 13, 2021
Frames:
Baader Blue (B-CCD) 1.25": 2700×0.50(22′ 30″) (gain: 460.00)
Baader Green (G-CCD) 1.25": 2700×0.50(22′ 30″) (gain: 460.00)
Baader Red (R-CCD) 1.25": 13500×0.50(1h 52′ 30″) (gain: 460.00)
Integration:
2h 37′ 30″
Avg. Moon age:
2.81 days
Avg. Moon phase:
8.65%
Bortle Dark-Sky Scale:
4.00

Basic astrometry details

Astrometry.net job: 6892739

Resolution: 639x690

File size: 193.2 KB

Locations: 57462, Olpe, NRW, Germany

Data source: Backyard

Description

Captured with my Celestron CPC 800 Edge HD (C8 Edge HD on fork mount and wedge) with a reducer and a ZWO ASI 290MM with 0,5 second exposures and 460 Gain from a small city in germany.
13500 pictures as Red were used as luminance, but also 2700 of these Red pictures were used for RGB, same as blue and green.
Stacked in SiriL, stretched with StarTools and color calibrated, background and stars are not processed in any way, only stretched. Only the nebula itself is sharpened a bit in Fitswork.

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