Celestial hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  Crab nebula  ·  M 1  ·  NGC 1952
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M1 Bi-color, Don Walters
M1 Bi-color
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M1 Bi-color

Getting plate-solving status, please wait...
M1 Bi-color, Don Walters
M1 Bi-color
Powered byPixInsight

M1 Bi-color

Equipment

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Acquisition details

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Description

Got some OIII to go with my HA. Got the star colors looking great, even with just 2 colors. Amazing detail in there!

Fully processed in PI doing the longhand calibration method. Generated a synthetic green channel.

Calibration

Registration

SubframeSelector

Integration Ha and OIII masters

Crop

DBE

LinearFit to the OIII channel

Multiscale Linear Transform (for noise control)

Masked Stretch (going non-linear)

PixelMath R: Ha B: OIII G: (0.2*Ha)+(0.8*OIII)

Background Neutralization

Unsharp Mask

HDR Multiscale Transform

LocalHistogramEqualization

ACDNR (chrominance noise reduction)

Curves Transformation (toned down RGB/K reducing reds and giving space a more natural look)

Comments

Revisions

  • M1 Bi-color, Don Walters
    Original
  • M1 Bi-color, Don Walters
    B
  • Final
    M1 Bi-color, Don Walters
    C

B

Description: Used better masking so the stars within weren't getting sharpened too.

Uploaded: ...

C

Description: Darkened the background.

Uploaded: ...

Sky plot

Sky plot

Histogram

M1 Bi-color, Don Walters