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Contains:  NGC 6883, NGC 6871, The star 29Cyg, The star 28Cyg, The star 27Cyg
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NGC6871 - NGC6883 - Barnard 147 in HO(HO), 


            Uwe Deutermann
NGC6871 - NGC6883 - Barnard 147 in HO(HO)

NGC6871 - NGC6883 - Barnard 147 in HO(HO)

Technical card

Resolution: 4504x3775

Dates:Aug. 7, 2018

Baader H-Alpha 2" 7nm: 13x300" (gain: 200.00) -10C bin 1x1
Baader OIII 2" 8,5nm: 17x300" (gain: 200.00) -10C bin 1x1

Integration: 2.5 hours

Darks: ~85

Flats: ~25

Bias: ~50

Avg. Moon age: 25.03 days

Avg. Moon phase: 21.23%

Bortle Dark-Sky Scale: 6.00

Temperature: 26.00 job: 2190436

RA center: 301.791 degrees

DEC center: 35.856 degrees

Pixel scale: 2.755 arcsec/pixel

Orientation: 267.749 degrees

Field radius: 2.248 degrees

Locations: Home Observatory, Fleming Island, Florida, United States

Data source: Backyard


I saw this area once on Astrobin and thought to give a shot myself with the Williams Z61. There are almost too many stars in this field, hence it is not easy to get the details sticking out. And this area requires more exposures to lower the noise, next time.



Uwe Deutermann
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


NGC6871 - NGC6883 - Barnard 147 in HO(HO), 


            Uwe Deutermann