Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M 51 LRGB H-alpha from Deep Sky West, Jerry Yesavage
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M 51 LRGB H-alpha from Deep Sky West

Getting plate-solving status, please wait...
M 51 LRGB H-alpha from Deep Sky West, Jerry Yesavage
Powered byPixInsight

M 51 LRGB H-alpha from Deep Sky West

Equipment

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Description

Mure denoised not drizzled. SNR in drizzle is better than original stack but is better yet in Mure, with proper setting. Learned these from Alex.

RGB Red is Max (Red HA)

L is mean of masked stretch and STF stretch.

HDRM based on Extract Wavelets showing wavelet 6 to be main interest.

RGB saturated then had L added in 60/40 Ratio.

Comments

Revisions

  • Final
    M 51 LRGB H-alpha from Deep Sky West, Jerry Yesavage
    Original
  • M 51 LRGB H-alpha from Deep Sky West, Jerry Yesavage
    B
  • M 51 LRGB H-alpha from Deep Sky West, Jerry Yesavage
    C

C

Description: Colors readjusted and sharpened.

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Sky plot

Sky plot

Histogram

M 51 LRGB H-alpha from Deep Sky West, Jerry Yesavage

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Messier Objects