Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  12 Mon  ·  NGC 2237  ·  NGC 2238  ·  NGC 2239  ·  NGC 2244  ·  NGC 2246  ·  NGC 2252  ·  Rosette A  ·  Rosette B  ·  Rosette Nebula  ·  The star 12 Mon
Caldwell 49, Rosette Nebula, Björn
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Caldwell 49, Rosette Nebula

Caldwell 49, Rosette Nebula, Björn
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Caldwell 49, Rosette Nebula

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Description

This is the second object of my imaging sequence, following NGC 1499 California Nebula. I had the Rosette imaged about three years ago (Caldwell 49, Rosette Nebula). I hope I've learned enough in this time to produce a better image. Obviously, my creativity with respect to titles hasn't improved (they're identical as I just noticed). As a consequence, to your fortune, I won't start producing lyrics about astronomy here.

It was interesting for me to see what the result will be if I image this target with an OSC and a broadband filter. Apparently, the boundary conditions are such that I can achieve a good contrast between sky and object. If that weren't the case, and probably for future projects with fainter objects, I might have to resort to band pass or multi-band narrowband filters.
As I probably have stated somewhere, I have given up on nasty narrowband combinations (SHO and sort of) and try to show the colours as truthfully as possible (within the reasonable limits of course). I hope I did a good job on this one.
From a processing point of view, I've created a starless image which I combined with the regular image that I had stretched only a little bit. This helps to leave the star fairly small but focus on the nebula. Hope you like it.

Feel free to comment!

Björn

* This image was not and will not be submitted for IOTD consideration

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