NGC 2359 (also known as Thor's Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately 3,670 parsecs (11.96 thousand...

7x10−5 solar masses each year through winds of 1,545 km/s. The ring nebula NGC 2359 is excited by the ionising radiation of WR7. It is also known as Thor's...

of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects...

the 110 Messier objects (M), 7,840 objects in the New General Catalogue (NGC), the Caldwell catalogue (itself a "best of" from other catalogues, with...

member stars visible with binoculars. Located around 30' northeast of NGC 2360, NGC 2359 (Thor's Helmet or the Duck Nebula) is a relatively bright emission...

galaxies. List of NGC objects (1–1000) List of NGC objects (1001–2000) List of NGC objects (2001–3000) List of NGC objects (3001–4000) List of NGC objects (4001–5000)...

NGC 2012 is a large lenticular galaxy in the Constellation Mensa. It was discovered by John Herschel in 1836. With its distance from the Earth being over...

Wolf-Rayet nebulae include: NGC 6888 (Crescent Nebula) NGC 2359 (Thor's Helmet Nebula) M1-67 (Luminous Blue Variable Nebula) NGC 3199 (Nebula around WR 18)...

confused with NGC 246, which is also nicknamed the "Skull Nebula." The complex has the following New General Catalogue (NGC) designations: NGC 2237 – Part...

A common name Images Names & Designations Gum 4 NGC 2359 Thor's Helmet, Gum 4, Sharpless 298, NGC 2359 Gum 12 Gum Nebula Gum 12, The Gum Nebula in Vela...