Antilhue - Chile

NGC 3576 + NGC 3603
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Image Data

Designation NGC 3576 (right) and NGC 3603
Constellation Carina (Car)
Description The color difference between these two objects is striking. The reason: NGC 3603 on the left is twice as distant, which is documented by the blue extinction in its color as compared to its 'neighbour' NGC 3576.  The latter with its characteristic loops formed by stellar winds also contains a number of prominent Bok Globules, dark dense stellar nurseries.  NGC 3603 may well be the largest nebula in our galaxy and features concentrations of young, hot and massive Wolf-Rayet stars, much like at the center of the Tarantula Nebula (NGC 2070).  Here is an image in the monochromatic light of ionized hydrogen (H-Alpha) of the same field.
Exposure HaRGB 180:36:30:48 min all at -15C, 1x1
Camera SBIG ST-10XE selfguided,  CFW-8,   Custom Scientific 4.5 nm Ha Filter + RGB
Optics Astro-Physics AP155EDFS @ f/7.2 (prime focus)
Mount Astro-Physics AP1200GTO
Software MaxIm DL/CCD, Sigma Beta 10, Adobe Photoshop 6.0
Location - Date - Time San Esteban (Chile) - 31Mar2003 - 01:30 UTC (Ha) and 02Apr2003 - 00:30 UTC (RGB)
Conditions Transparency 6,  Seeing 5, Temperature +14C