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California Nebula panel test, Paul Macklin
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California Nebula panel test

California Nebula panel test, Paul Macklin
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California Nebula panel test

Equipment

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Acquisition details

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Description

This is a test of a slightly new approach, in advance of a 9-panel mosaic on the California Nebula. 
  1. Capture 140 x 3 min in dual narrowband
    1. Shorter than my typical 6-10 min subs
    2. More total subs than typical
    3. comparable 6-8 hour session.

  2. Calibrate, analyze, register, normalize 140 frames using standard Airy Disc
  3. Integrate the best 120 subs (sorted by quality)
  4. Remove light pollution
  5. Balance star color
    1. Selection box over whole image
    2. Balance RGB, not the full black body model

  6. Switch Bayer to "Ha-OIII extract Ha"
  7. Re-normalize
  8. Integrate same 120 subs for Ha
  9. Remove light pollution
  10. Repeat for [OIII]



Late in post-processing, I'm (nearly) using John Favalessa's Topaz settings: 
  • Severe noise mode
  • Noise reduction: 3/100
  • Enhance sharpness: 0/100
  • Recover original detail: 10/100
  • Color noise reduction: 5/100
  • [*]

Comments

Revisions

  • California Nebula panel test, Paul Macklin
    Original
  • California Nebula panel test, Paul Macklin
    B
  • California Nebula panel test, Paul Macklin
    C
  • California Nebula panel test, Paul Macklin
    D
  • Final
    California Nebula panel test, Paul Macklin
    E

B

Description: Extracted Ha

Uploaded: ...

C

Description: Extracted [OIII]

Uploaded: ...

D

Description: HOO2

Uploaded: ...

E

Description: Warhol style!

RGB , [OIII]
Ha , HOO2

Uploaded: ...

Sky plot

Sky plot

Histogram

California Nebula panel test, Paul Macklin