Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4627  ·  NGC 4631  ·  NGC 4656  ·  NGC 4657  ·  Whale Galaxy
NGC 4656, NGC 4631 (Hockey Stick & Whale Galaxies), gfryhof
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NGC 4656, NGC 4631 (Hockey Stick & Whale Galaxies)

NGC 4656, NGC 4631 (Hockey Stick & Whale Galaxies), gfryhof
Powered byPixInsight

NGC 4656, NGC 4631 (Hockey Stick & Whale Galaxies)

Equipment

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Acquisition details

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Description

My first attempt at a 1x2 mosaic, taken over 1 night.

L: 2 x 25 x 120 sec

R: 2 x 18 x 120 sec

G: 2 x 18 x 120 sec

B: 2 x 18 x 120 sec

40 bias, 40 dark, 30 flats (per filter)

I used the following tutorials for post-processing:

https://www.lightvortexastronomy.com/tutorial-preparing-a-mosaic.html

https://www.lightvortexastronomy.com/tutorial-preparing-monochrome-images-for-colour-combination-and-further-post-processing.html#Section3

https://www.lightvortexastronomy.com/tutorial-colour-calibrating-images.html

Comments

Revisions

  • NGC 4656, NGC 4631 (Hockey Stick & Whale Galaxies), gfryhof
    Original
  • Final
    NGC 4656, NGC 4631 (Hockey Stick & Whale Galaxies), gfryhof
    B

Sky plot

Sky plot

Histogram

NGC 4656, NGC 4631 (Hockey Stick & Whale Galaxies), gfryhof