Hemisphere:  Northern  ·  Contains:  Crescent nebula  ·  IC 4996  ·  NGC 6888
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Crescent Nebula - NGC6888 - HaOIIIRGB, 



    
        

            Arno Rottal
Crescent Nebula - NGC6888 - HaOIIIRGB
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Crescent Nebula - NGC6888 - HaOIIIRGB

Technical card

Imaging telescopes or lenses: Skywatcher Esprit 80ED

Imaging cameras: Moravian Instruments G2-8300 with external FW  ·  Canon 550D (Filter-Modified)

Mounts: Losmandy G11

Guiding telescopes or lenses: Meade 8x50mm Finder/Guider

Guiding cameras: Lacerta MGEN2

Software: PixInsight  ·  Photoshop CS3  ·  Adobe Photoshop CS6  ·  APT - Astro Photography Tool

Filters: Astronomik O3 12 nm  ·  Ha 12nm  ·  ASTRO HUTECH IDAS LPS 2


Dates:May 22, 2014Aug. 5, 2015

Frames:
Ha 12nm: 9x900" bin 1x1
ASTRO HUTECH IDAS LPS 2: 5x900" ISO200
Astronomik O3 12 nm: 5x1200" bin 1x1

Integration: 5.2 hours

Darks: ~25

Flats: ~30

Bias: ~30

Avg. Moon age: 21.81 days

Avg. Moon phase: 53.49%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 757812

RA center: 20h 12' 19"

DEC center: +38° 24' 39"

Orientation: 90.317 degrees

Field radius: 1.548 degrees


Resolution: 3317x2488

Locations: Garden Observatory, Schwechat, Lower Austria, Austria

Description

Ha and OIII done with CCD - 2015-08-05
RGB from DSLR. - 2014-05-22

Comments

Author

Sternfreund
Arno Rottal
License: None (All rights reserved)
6760
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Revisions

  • Crescent Nebula - NGC6888 - HaOIIIRGB, 



    
        

            Arno Rottal
    Original
  • Final
    Crescent Nebula - NGC6888 - HaOIIIRGB, 



    
        

            Arno Rottal
    B

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Crescent Nebula - NGC6888 - HaOIIIRGB, 



    
        

            Arno Rottal