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Contains:  Crescent nebula, NGC 6888
Getting plate-solving status, please wait...
NGC 6888 in bicolor (Ha+OIII), 





    
        

            Salvatore Cozza
NGC 6888 in bicolor (Ha+OIII)

NGC 6888 in bicolor (Ha+OIII)

Technical card

Resolution: 3192x2377

Dates:July 25, 2019Aug. 1, 2019

Frames:
Baader Ha 36mm 7nm: 42x300" -15C bin 1x1
Baader O3 36mm 8.5nm: 70x300" -15C bin 1x1

Integration: 9.3 hours

Avg. Moon age: 11.50 days

Avg. Moon phase: 22.91%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2993817

RA center: 303.030 degrees

DEC center: 38.383 degrees

Pixel scale: 1.745 arcsec/pixel

Orientation: 91.821 degrees

Field radius: 0.964 degrees

Data source: Traveller

Description

Image A: more balanced processing.
Image B: more detail in OIII.
Image C: Ha filter 42x300s.
Image D: OIII filter 70x300s.

which processing do you prefer between A and B?

Comments

Author

bluvega
Salvatore Cozza
License: None (All rights reserved)
960
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Revisions

  • Final
    NGC 6888 in bicolor (Ha+OIII), 





    
        

            Salvatore Cozza
    Original
  • NGC 6888 in bicolor (Ha+OIII), 





    
        

            Salvatore Cozza
    B
  • NGC 6888 in bicolor (Ha+OIII), 





    
        

            Salvatore Cozza
    C
  • NGC 6888 in bicolor (Ha+OIII), 





    
        

            Salvatore Cozza
    D

B

More visibility to the OIII signal.

C

Filter Ha. 42x300s

D

Filter OIII. 70x300s

Sky plot

Sky plot

Histogram

NGC 6888 in bicolor (Ha+OIII), 





    
        

            Salvatore Cozza