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Contains:  Crescent nebula, NGC 6888
Getting plate-solving status, please wait...
Caldwell 27 - Crescent Nebula (NGC 6888), 


            Frank Schmitz
Caldwell 27 - Crescent Nebula (NGC 6888)

Caldwell 27 - Crescent Nebula (NGC 6888)

Technical card

Resolution: 4704x3850

Dates:May 5, 2018

Frames:Baader Planetarium Ha 31mm 7nm: 60x120" (gain: 75.00) -20C bin 1x1

Integration: 2.0 hours

Darks: ~30

Flats: ~30

Bias: ~100

Avg. Moon age: 19.84 days

Avg. Moon phase: 73.59%

Bortle Dark-Sky Scale: 5.00

Temperature: 12.00 job: 2045406

RA center: 20h 12' 21"

DEC center: +38° 19' 58"

Pixel scale: 0.928 arcsec/pixel

Orientation: 89.333 degrees

Field radius: 0.783

Locations: Home, Odenthal, Deutschland, Germany


Couldn't wait for the LRGB data to finish so edited the Ha data already. Should have bought the OIII Filter today at the ATT ... the RGB data looks terrible so far ...



Frank Schmitz
License: None (All rights reserved)

Sky plot

Sky plot


Caldwell 27 - Crescent Nebula (NGC 6888), 


            Frank Schmitz