Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4627  ·  NGC 4631  ·  Whale Galaxy
NGC4631 - Whale Galaxy, nazarine
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NGC4631 - Whale Galaxy

NGC4631 - Whale Galaxy, nazarine
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NGC4631 - Whale Galaxy

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Description

This is an initial rough processing of the Whale Galaxy - i rushed the post processing because i am both tired and impatient - so i forgot a few of my workflow steps (colour calibration) and i did not bother to investigate why two subs did not star align

but .. this is one of the first times where i was able to find a target and follow it for most of a single night so i got quite a few subs for this - way more than i am normally getting. i got some weird spottled background noise which i for the most part managed to remove - but again - i rushed this a little bit

so in a few days I intend to revisit the post-processing of this image when i have had more than 3 hours sleep

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Revisions

  • NGC4631 - Whale Galaxy, nazarine
    Original
  • NGC4631 - Whale Galaxy, nazarine
    B
  • Final
    NGC4631 - Whale Galaxy, nazarine
    C

B

Description: took a bit more care on this - a few less subs (104 not 112) as i rejected a few.
tried a different method of background removal (splitting into RGB and performing DBE / ABE separately on each colour)

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NGC4631 - Whale Galaxy, nazarine