Sh2-275 - Caldwell 49 - Rosette Nebula in SHO (Uwe Deutermann)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: 12 Mon · NGC 2237 · NGC 2238 · NGC 2239 · NGC 2244 · NGC 2246 · NGC 2252 · Rosette nebula · Sh2-275 · The star 12Mon

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Sh2-275 - Caldwell 49 - Rosette Nebula in SHO

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Sh2-275 - Caldwell 49 - Rosette Nebula in SHO

Had some time in the morning and the sky was clear as it could be, humidity down, did not have a night like that since last March. The last time I targeted the Rosette Nebula I still had my "old" Altair camera, and I definitely wanted to see the difference to the ASI1600. And what a difference this is! The color is a bit unusual, but it was the color that revealed most of the nebulosity structures, the "standard" version will follow soon. I will target it again with longer exposure times, let's see how far I can go!

Original
B
Final
C

B

Description: The more common version of the Rosette Nebula. Call me crazy but I like the turquoise version better :-). Still, the seeing conditions that night were incredibly good, should be always like that!

Uploaded: ...

C

Description: Version C has 600 seconds exposures added to the previous version. I intermixed the channels, 30% 180 seconds exposure with 70% 600 seconds exposures. The Hß images were shared 50% with the OIII ones.

Uploaded: ...

ZWO ASI1600MM/QHY163M
Narrowband imaging
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Status	Advanced success
Started	...
Astrometry.net job	2311317
PixInsight job	J49B9Y2MJ1LGZ0QCX8V9ULWLUXFEC4LU
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h31m48s.73
RA (top/left)	06h36m19s.47
RA (top/right)	06h30m24s.93
RA (bottom/right)	06h27m18s.45
RA (bottom/left)	06h33m12s.58

Dec (center)	+04°57′27″.7
Dec (top/left)	+05°07′06″.8
Dec (top/right)	+06°02′18″.1
Dec (bottom/right)	+04°48′14″.0
Dec (bottom/left)	+03°52′42″.2

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Sh2-275 - Caldwell 49 - Rosette Nebula in SHO

Sh2-275 - Caldwell 49 - Rosette Nebula in SHO

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Sh2-275 - Caldwell 49 - Rosette Nebula in SHO

Sh2-275 - Caldwell 49 - Rosette Nebula in SHO

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