by manuelcp.astro@gmail.com | Feb 20, 2026
NGC 3603 – NGC 3576 Constellation: Carina NGC 3603 (left) is a nebula (and H II region) in the constellation of Carina. It is about 20’000 Ly away. The central star cluster of NGC 3603 is the densest concentration of very massive stars known in the galaxy....
by manuelcp.astro@gmail.com | Feb 13, 2026
RCW 49, the Whirling Dervish nebula Constellation: Carina RCW 49, also known as NGC 3247 and Gum 29, is a H-II region, associated with an open cluser, in the constellation Carina. It is located about 13’700 Ly away and 300-400 Ly across. Westerlund 2 is the...
by manuelcp.astro@gmail.com | Feb 2, 2026
RCW 75 Constellation: Centaurus RCW 75 (a.k.a Gum 48a) is a faint emission nebula and H II region in the constellation Centaurus. It is located about 5’350-6’500 Ly away. HD 115669 is the bright star located in the central part of RCW 75. It is associated...
by manuelcp.astro@gmail.com | Jan 25, 2026
Messier 46, NGC 2438 and the Calabash nebula Constellation: Vela Messier 46, also known as NGC 2437, is an open cluster in the constellation Puppis. It is located about 5’000 Ly away, and is estimated to contain about 500 stars. The planetary nebula NGC 2438,...
by manuelcp.astro@gmail.com | Jan 25, 2026
NGC 2547 Constellation: Vela NGC 2547 is a young open cluster in the constellation Vela. NGC 2547 formed about 30 million years ago. Observations with the Spitzer Space Telescope* showed a shell around the B3 III/IV-type star HD 68478. This could be a sign of recent...
