Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Great Nebula in Andromeda  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224
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2 Hours on M31, David McClain
2 Hours on M31
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2 Hours on M31

Getting plate-solving status, please wait...
2 Hours on M31, David McClain
2 Hours on M31
Powered byPixInsight

2 Hours on M31

Equipment

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Acquisition details

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Description

A stack of images totaling <2 hrs, shot from my back porch last week. The magic of a fast HyperStar camera and good pixel processing from PixInsight. All images unguided, the longest being 180 sec. (Looks like the log says only 1h 50m of integration over 3 nights.)

So far, just dumb luck and factory collimation. But then I took a dive into the hairy world of better collimation... still climbing out of the hole...

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Revision: oriented N up E left. I learned about SCNR and "Green Noise", and applied Local Histogram Equalization to bring out more detail in the soft cloudy regions.

Comments

Revisions

  • 2 Hours on M31, David McClain
    Original
  • Final
    2 Hours on M31, David McClain
    B

Sky plot

Sky plot

Histogram

2 Hours on M31, David McClain