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Contains:  Crescent nebula, NGC 6888
Getting plate-solving status, please wait...
NGC 6888 Ha, 


            Paul Muskee
NGC 6888 Ha

NGC 6888 Ha

Technical card

Resolution: 4675x3492

Dates:Aug. 8, 2019

Frames:Astrodon H-Alpha Filter - 3nm - 50mm: 83x300" (gain: 200.00) -20C bin 1x1

Integration: 6.9 hours

Darks: ~30

Avg. Moon age: 8.16 days

Avg. Moon phase: 58.25%

Bortle Dark-Sky Scale: 4.00 job: 2858119

RA center: 20h 12' 11"

DEC center: +38° 24' 28"

Pixel scale: 1.140 arcsec/pixel

Orientation: 214.904 degrees

Field radius: 0.924

Locations: Lingemeer (backyard @ home), Lienden, Gelderland, Netherlands

Data source: Backyard


NGC 6888 Ha only.

Data came out very clean and did close to nothing for processing, only a stretch... OIII and SII will be added soon. The Astrodon 3nm filter is looking very good, absolutely no gradient while most data has been collected under grey nights!

Used darks to remove the ampglow.



Paul Muskee
License: None (All rights reserved)

Sky plot

Sky plot


NGC 6888 Ha, 


            Paul Muskee