Rosette Nebula Black and White in H-alpha, 2022-03-2x (Sébastien Rombauts)

Celestial hemisphere: Northern · Constellation: Monoceros (Mon) · Contains: NGC 2237 · NGC 2238 · NGC 2239 · NGC 2246 · Rosette A · Rosette B · Rosette Nebula · The star 12Mon

Rosette Nebula Black and White in H-alpha, 2022-03-2x, Sébastien Rombauts

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Rosette Nebula Black and White in H-alpha, 2022-03-2x

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Rosette Nebula Black and White in H-alpha, 2022-03-2x

My first multi-session project, which was undertaken across 6 consecutive nights toward the end of March, for a total of above 16 hours of imaging.
I had some technical issues half of the night and I ultimately had to drop the content of one session entirely after trying to salvage its amp glow for two evenings.

It's also my first target taken with my new h-alpha ultra-narrowband Baader filter (after its first light test on Alnitak).

I used Siril to stack the best 144 5 minutes frames out of 192, for a total integration time of 12h.

All this with an uncooled planetary camera, that I am somehow trying to cool a bit with a DYI Peltier module & PC radiator.

Final
Original
B

B

Title: Starless version

Description: Starless version using Starnet++ v2

Uploaded: ...

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Astrometry.net job	5635756
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Rosette Nebula Black and White in H-alpha, 2022-03-2x

Rosette Nebula Black and White in H-alpha, 2022-03-2x

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Rosette Nebula Black and White in H-alpha, 2022-03-2x

Rosette Nebula Black and White in H-alpha, 2022-03-2x

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B

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