Date: January 28th, 2023

Exposure: 36 x 4 minutes (2h 24min)

About This Image


Telescope: Sky-Watcher Equinox 80ED
Mount: Software Bisque Paramount MX
Camera: ZWO ASI2600MC-Pro
Filter: IDAS LPS-D3 2"
Accessories: ESATTO 2" Focuser • Televue TRF-2008
Guiding: SVBony SV165 Mini Guide Scope • ASI462MC
Software: Photoshop • PixInsight • TheSkyX • Starkeeper Voyager


The Rosette Nebula, also known as Caldwell 49, is a magnificent and colorful cloud of gas and dust located in the constellation Monoceros, approximately 5,200 light-years away from Earth. This stunning nebula spans about 130 light-years in diameter and is one of the largest star-forming regions in our galaxy. The nebula is illuminated by the massive, hot, and young stars that have recently formed within it, giving it a pinkish hue that is easily visible through a small telescope.

At the center of the Rosette Nebula lies a cluster of young stars, known as NGC 2244, which were formed from the gravitational collapse of the nebula's gas and dust. These stars are estimated to be only a few million years old and are among the most massive and luminous in the galaxy. Their intense radiation and stellar winds have sculpted the surrounding gas and dust into intricate patterns and pillars, creating a breathtakingly beautiful and complex structure that is a wonder to behold. The Rosette Nebula is a true masterpiece of nature, showcasing the awe-inspiring power and beauty of the universe.

Distance: 5,200 light-years
Size: 130 light-years

Annotated Version

Location in the Night Sky

(Annotation & Star Chart created using PixInsight)


All Images    Craig Sherris