NGC 3372 - The Great Nebula around Eta Carinae
 
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Designation NGC 3372, Eta Carinae Nebula
Object type   Emission nebula
Coordinates   10 h 45 min / -59° 41 min
Constellation   Carina (Car)
Description  

The star clusters and great diffuse gaseous nebulae associated with the star Eta Carinae form one of the finest telescopic objects in the sky. There are prominent dark absorption lanes and irregular luminous clouds extending over 4 square degrees.  This wonderful star-forming complex is about 10.000 lightyears distant. The field of view displayed here is only the most active, central portion and measures 77 x 53 arcminutes with north towards the top (0°).

See here for an earlier, wider field image taken with a 4" refractor in the narrowband light of hydrogen alpha.

There is also a very high resolution image of the Homunculus Nebula that surrounds Eta Carinae

 

Exposure   RGB 60:60:60 min @ -18°C, 1x1, all exposures 10 min
Camera   SBIG STL-11000 with Astronomik Type II filter set, selfguided
Optics   TEC APO 200FL refractor with TEC field flattener @ f/8 (prime focus)
Mount   Astro-Physics AP1200GTO German Equatorial Mount
Software   MaxIm DL/CCD, Adobe Photoshop CS
Location - Date - Time   San Esteban (Chile) - 09 and 12Jan2008 - 07:00 UTC
Conditions   Transparency 6-7,  Seeing 6-7, Temperature +13°C