Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2239  ·  NGC 2244  ·  Rosette nebula  ·  The star 12Mon
NGC 2237 - Rosette Nebula : second... and 3rd edition side by side  !, Ewam
NGC 2237 - Rosette Nebula : second... and 3rd edition side by side  !
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NGC 2237 - Rosette Nebula : second... and 3rd edition side by side !

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Description

EUREKA ! I just discovered why gradients are a big p.i.the a..., I mean, a big problem. Till now, I was pretty much spending hours trying to solve color issues, while almost forgetting to deal properly with the gradients! Who said "silly you" ?

This VERSION C is even not with the UHC master, just my 27 broad band, with no cleaning whatsoever, just a little contrast on Ps. Thanks PI, thank Ps, thank Paul who launched the inspiration...

Next version (and final) will come with all subs and proper processing routine...

Back in Malonne, I found this clear night to try my (probably) last go at the Rosette nebula. I believe I'm near the sweet spot in terms of exposure / iso settings :

27x 45sec @3200iso ;

7x 186sec with UHC filter @ 3200iso...

O-III in the last version ;

> Last VERSION ("3rd edition") : Reloaded old subs, could use darks (never did, just used to clean manually in Ps !), stretched properly, added the previous O-III subs (that where not in this edition) and "Voilà!" ; so much experimenting and months latter, it all come together ! Next version (season approaching here) will be a full SHO one !

Comments

Revisions

  • NGC 2237 - Rosette Nebula : second... and 3rd edition side by side  !, Ewam
    Original
  • NGC 2237 - Rosette Nebula : second... and 3rd edition side by side  !, Ewam
    D
  • NGC 2237 - Rosette Nebula : second... and 3rd edition side by side  !, Ewam
    F
  • Final
    NGC 2237 - Rosette Nebula : second... and 3rd edition side by side  !, Ewam
    G

Sky plot

Sky plot

Histogram

NGC 2237 - Rosette Nebula : second... and 3rd edition side by side  !, Ewam