Antilhue - Chile

47 Tuc  -  NGC 104
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Image Data

Designation 47 Tuc,  NGC 104,  Bennett 2,  Best 18,  Caldwell 106
Object type Globular cluster
Coordinates 00 h 24 min    - 72° 05'    Tucana  (Tuc)
Description This wonderful globular cluster, also known as 47 Tuc, is crowded with innumerable stars steadily increasing to the dense, very bright center. The field of view is 25 x37 arcmin, equivalent to the size of the full moon.   47 Tuc rivals Omega Centauri for the title of the most beautiful globular in the sky and is about 16.000 lightyears away.

Click on the image for a higher resolution version. 

Here is a wider field with the neighbouring Small Magellanic Cloud (SMC) and an older B&W image.

Exposure NRGB 48:20:20:20 min @ -20°C ;  all exposures unbinned, no filter on luminance
Camera SBIG STL-11000 with Astronomik Type 2 RGB filterset  -  selfguided
Optics RCOS 14.5" Ritchey-Chrétien @ f/9 (prime focus)
Mount Astro-Physics AP1200GTO
Software MaxIm DL/CCD,  Sigma-Clip Pre-Beta 11,  Registar,  Adobe Photoshop CS
Location - Date - Time San Esteban (Chile) - 02 resp. 26Nov2005 @ 04:00 resp 02:00 UTC
Conditions Transparency 7/10,  Seeing 6/10, Temperature  + 10°C