Rosette Nebula in SHO (Rex Robichaux)

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

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Rosette Nebula in SHO

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Rosette Nebula in SHO

In the spirit of upcoming Valentine's Day, here's my take at the Rosette Nebula resembling a rose from space. This was a blast to capture over the past week as we were treated to several clear nights over a week ✨ (that's essentially unheard of...). It's been a while since I've done a proper narrowband image with each filter so watching this come together in processing was really gratifying.

The Rosette Nebula is about 5,000 light-years away and can be found to the left of Orion in the constellation Monoceros (the Unicorn). The bright stars in the core of the nebula are known as NGC 2244 and contain several O Type stars. These are some of the hottest and brightest stars known.

This shot is in SHO where Hydrogen gas is mapped to green, Sulfur gas is mapped to red, and Oxygen is mapped to blue.

About 9 hours' worth of data went into this shot- 2.5hrs of Hydrogen, 2hrs of Sulfur, and 4.5hrs of Oxygen. Lastly, about 10 minutes of data were captured to retain natural star color and added back in at the end- special thanks to @gazingoutwards for the starnet++ help!

Captured through my TSO 130, Zwo ASI294MCPRO Camera, Zwo narrowband filters, TS .80 reducer, all riding on my EQ6-R mount. Captured in APT, guiding with DSS, processed individually in Startools, combined in Photoshop, stars removed in Starnet++, final touches in Lightroom.

Cloudy Nights
Suburban Astrophotography
Virginia Astronomers and Astrophotographers
Imaged with APT

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Status	Basic success
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Astrometry.net job	4179646
PixInsight job	n/a
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Rosette Nebula in SHO

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