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Contains:  Crescent nebula, NGC 6888, NGC6888, Sh2-105
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NGC6888 - Crescent Nebula in Hα and OIII, 



    
        

            Uwe Deutermann
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NGC6888 - Crescent Nebula in Hα and OIII

Technical card


Dates:May 5, 2018May 8, 2018

Frames:
Astronomik Ha 12nm 2": 52x300" (gain: 10.00) bin 1x1
MrStarGuy OIII 2": 50x300" (gain: 10.00) bin 1x1

Integration: 8.5 hours

Darks: ~40

Flats: ~50

Bias: ~30

Avg. Moon age: 21.18 days

Avg. Moon phase: 59.82%

Bortle Dark-Sky Scale: 6.00

Temperature: 20.00


Astrometry.net job: 2095459

RA center: 20h 12' 22"

DEC center: +38° 23' 10"

Pixel scale: 0.881 arcsec/pixel

Orientation: -95.210 degrees

Field radius: 0.729 degrees


Resolution: 5002x3233

Locations: Home Backyard, Fleming Island, Florida, United States

Data source: Backyard

Description

Used the chance to get some images last night, the Crescent Nebula was on my list, and it is above my tree line around 1:30am, so not too bad. Added OIII data. CLS-CCD data will follow.

Comments

Author

udeuterm
Uwe Deutermann
License: Attribution-NonCommercial-ShareAlike Creative Commons
1600
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Revisions

  • NGC6888 - Crescent Nebula in Hα and OIII, 



    
        

            Uwe Deutermann
    Original
  • NGC6888 - Crescent Nebula in Hα and OIII, 



    
        

            Uwe Deutermann
    B
  • NGC6888 - Crescent Nebula in Hα and OIII, 



    
        

            Uwe Deutermann
    C
  • Final
    NGC6888 - Crescent Nebula in Hα and OIII, 



    
        

            Uwe Deutermann
    D

B

Description: Added OIII data from last night.

C

Description: Reprocessed from scratch with some new adjustment tools. A much "softer" version of the Crescent Nebula.

D

Description: More contrast and some green reduction.

Sky plot

Sky plot

Histogram

NGC6888 - Crescent Nebula in Hα and OIII, 



    
        

            Uwe Deutermann

In these public groups

Celestron Rasa Group