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Rosette Nebula Close Up (NGC2244, Narrowband)

The Rosette Nebula is a vast emission nebula located about 5,200 light years away. The star forming region lies near a large molecular cloud in the constellation Monoceros, the Unicorn. It is closely associated with the young open star cluster NGC 2244.

 

NGC 2244 appears in the centre of the Rosette. The hot young stars of the cluster were formed from the nebula’s material in the last 5 million years.

 

I love this Nebula, it's one of my favourite targets. I have imaged it before with the Redcat 51 and the FLT91, but this is a close up of the Rosette Nebula taken with the William Optics FLT132 and F68III 1.0x flatter (at 910mm focal length and f6.9) over 3 nights. Clouds and a bright moon got in the way, but I managed to get over 8 hours integration time over the 3 separate days. For this image, I used the 3nm dual-band (Ha, Oiii) Optolong L-Ultimate 2" filter with the ASI2600MC Pro camera. Pre and post-processed in PixInsight and Affinity Photo 2.

 

I love the extra details of the nebula compared with the previous images with the RC51 and FLT91. I will upload two versions, one in HOO (this one) and another in simulated SHO (flic.kr/p/2puRpcs). I hope you like it.

 

More details in astrobin: astrob.in/2zwu6g/B/

 

Thanks for looking and Clear Skies!!!

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Uploaded on January 27, 2024
Taken on April 9, 2025