Hemisphere:  Northern  ·  Contains:  Crescent Nebula  ·  NGC 6888
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NGC 6888: The Crescent Nebula, 


            Toshiya Arai
NGC 6888: The Crescent Nebula
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NGC 6888: The Crescent Nebula

Technical card

Imaging telescopes or lenses: Takahashi CCA250

Imaging cameras: QSI6120ws

Mounts: EQ8

Guiding telescopes or lenses: Takahashi GT-40

Guiding cameras: Starlight Xpress Lodestar2

Software: Adobe Photoship CC 2017  ·  MaximDL 6  ·  FlatAidePro

Dates:June 7, 2018May 13, 2020May 14, 2020

Astrodon H-alpha 5nm: 22x300" -15C
Astrodon H-alpha 5nm: 7x600" -15C
Astrodon O3 5nm: 3x600"
Astrodon O3 5nm: 15x300" -15C
Astrodon S2 5nm: 13x300" -15C
Astrodon S2 5nm: 3x600" -15C
Astrodon True Balance E series II Red, Green, Blue: 24x300" -15C

Integration: 8.3 hours

Avg. Moon age: 22.01 days

Avg. Moon phase: 51.43%

Basic astrometry details

Astrometry.net job: 3529407

RA center: 20h 12' 12"

DEC center: +38° 19' 51"

Pixel scale: 0.511 arcsec/pixel

Orientation: 2.111 degrees

Field radius: 0.345 degrees

Resolution: 4022x2740

Locations: Fujigane Observatory, Fujikawaguchiko, Yamanashi pref., Japan

Data source: Own remote observatory

Remote source: Non-commercial independent facility



Toshiya Arai
License: None (All rights reserved)

Sky plot

Sky plot


NGC 6888: The Crescent Nebula, 


            Toshiya Arai