Celestial hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  M 4  ·  NGC 6121
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M4, the Spider Globular Cluster, LRGB, AnaTa
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M4, the Spider Globular Cluster, LRGB

Getting plate-solving status, please wait...
M4, the Spider Globular Cluster, LRGB, AnaTa
Powered byPixInsight

M4, the Spider Globular Cluster, LRGB

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Acquisition details

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Description

Image of M4, the Spider Globular Cluster, one of the closest to Earth globular cluster, has SNR of 17.
Two panels are LRGB (Panel B) and LRGB annotation (Panel A)

Processing:
R, G, B and Lum were cropped.
GraExpert applied for R, G, B, and Lum
RGB were combined.
DBE for RGB
Color calibration for RGB.
Blur and Noise XT for RGB and Lum.  
Manual stretching in HT for RGB and Lum
LRGB was created by LRGB-combined.
Noise XT, stretch again.
Mask with Lum, which is enhanced with Morphological Transformation.
MMT-sharp with 0.03-0.04 setting for layer.
Curve for star saturation and brightness adjustments.
Image was annotated (Panel A)
Done.

Comments

Revisions

  • M4, the Spider Globular Cluster, LRGB, AnaTa
    Original
  • Final
    M4, the Spider Globular Cluster, LRGB, AnaTa
    B

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M4, the Spider Globular Cluster, LRGB, AnaTa

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Messier Catalog