The Rosette Nebula

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A stunning image of the Rosette Nebula taken by Kevin Smith on the 27th Dec 2025 using a Dwarf3 smartscope.  The image is a total of 5 hours and 57 mins of exposure.

The Rosette Nebula (also known as Caldwell 49) is a huge star-forming region spanning 100 lightyears across and located 5,000 lightyears away.

It can be seen in the Monoceros constellation in the winter months and is located between stars Betelgeuse in Orion and Procyon in Canis Minor.  Draw a line between Betelgeuse and Procyon, look just south of that line, about halfway along, and you will find it.

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The Rosette Nebula by Neil Webster

A stunning image of the Rosette Nebula (also known as Caldwell 49) in the constellation Monoceros by CMHASD member Neil Webster taken on the 2nd March 2025.

Neil acquired his image using a WO GT71 Apo, EQ6 R,  ZWO ASI 294MC Pro, Astro Essentials 50mm guide scope, ZWO ASI 290MM guide camera and an Optolong L Enhance filter.

Processed using APT, PHD, Nebulosity, Gradient Xterminator, Star Xterminator, and PS (Camera Raw)

52 x 240s Subs, 12 x Darks, 45 x Flats/ Bias.

Check out Neil's Flickr page at https://www.flickr.com/photos/137388222@N05/ to see more of his brilliant images.

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