Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888
Crescent nebula NGC 6888, 



    
        

            dr_klahn
Crescent nebula NGC 6888
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Crescent nebula NGC 6888

Crescent nebula NGC 6888, 



    
        

            dr_klahn
Crescent nebula NGC 6888
Powered byPixInsight

Crescent nebula NGC 6888

Technical card

Imaging telescopes or lenses: ATM 12" F/4 Reflector

Imaging cameras: Atik 460 EX Mono

Mounts: OTE Astrotec OTE 150-1

Guiding cameras: Lacerta MGEN v2.03

Focal reducers: MPCC

Software: Pixinsight  ·  Photoline

Filters: OIII  ·  Baader Planetarium Ha 7nm

Accessory: Orion Filter Wheel nautilus


Dates:Sept. 27, 2014

Frames:
Baader Planetarium Ha 7nm: 35x180" (1h 45') -20C bin 1x1
OIII: 35x180" (1h 45') -20C bin 1x1

Integration: 3h 30'

Avg. Moon age: 3.05 days

Avg. Moon phase: 10.13%


Basic astrometry details

Astrometry.net job: 378624

RA center: 20h 12' 13"

DEC center: +38° 19' 4"

Pixel scale: 1.179 arcsec/pixel

Orientation: 98.168 degrees

Field radius: 0.327 degrees


Resolution: 1600x1200

Locations: Balcony (Bad Homburg, Germany), Bad Homburg v.d.H, Hessen, Germany

Data source: Traveller

Description

The Crescent nebula NGC 6888 in Cygnus.
Red: 90% Ha + 10% O-III
Green: 10% Ha + 90% O-III
Blue: 100% O-III

The Ha and O3 images are showing quite different structures, so i decided to upoad these images too... ;)
Ha -> Version B
O-III -> Version C

Cheers
Arne

Comments

Revisions

  • Final
    Crescent nebula NGC 6888, 



    
        

            dr_klahn
    Original
  • Crescent nebula NGC 6888, 



    
        

            dr_klahn
    B
  • Crescent nebula NGC 6888, 



    
        

            dr_klahn
    C

Sky plot

Sky plot

Histogram

Crescent nebula NGC 6888, 



    
        

            dr_klahn