Celestial hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  IC 1296  ·  M 57  ·  NGC 6720  ·  Ring Nebula
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M57 Test of H-Alpha Exposure, Jerry Yesavage
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M57 Test of H-Alpha Exposure

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Description

Last revision. Standard screen stretch. Standard TGVDenoise. HT clip to calculate value for background outside last edge of corona (0.25). Same for O-III and then combined... to give rough idea where I am going.

Comments

Revisions

  • M57 Test of H-Alpha Exposure, Jerry Yesavage
    Original
  • M57 Test of H-Alpha Exposure, Jerry Yesavage
    B
  • M57 Test of H-Alpha Exposure, Jerry Yesavage
    C
  • M57 Test of H-Alpha Exposure, Jerry Yesavage
    D
  • M57 Test of H-Alpha Exposure, Jerry Yesavage
    E
  • Final
    M57 Test of H-Alpha Exposure, Jerry Yesavage
    F

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M57 Test of H-Alpha Exposure, Jerry Yesavage

In these public groups

Cloudy Nights

In these collections

Messier Objects