Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888
NGC 6888 in bicolor (Ha+OIII), Salvatore Cozza
NGC 6888 in bicolor (Ha+OIII)
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NGC 6888 in bicolor (Ha+OIII)

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

Equipment

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Acquisition details

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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

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

Description: More visibility to the OIII signal.

Uploaded: ...

C

Description: Filter Ha. 42x300s

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D

Description: Filter OIII. 70x300s

Uploaded: ...

Sky plot

Sky plot

Histogram

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