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The Black Hole and
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Patch in Sagittarius
New Images
The dark nebulas Barnard 92, the 'Black Hole' and Barnard 93, the 'Dark Comet' are visible in this
image, along with M24, the 'Milky Way Patch' (also known as the 'Little Sagittarius Star Cloud' or 'Delle
Caustiche'). Pluto is also in the field of view. The image center is RA 18.16.00 Dec -18.31.14.  This is
one of the initial images taken with this wide field setup, covering 70 x 105 arc minutes.


Image acquisition date: June 17, 2010.
Camera: SBIG STL11000M
Filters:  AstroDon L
Camera control software:  CCDSoft
Guiding/adaptive optics: STL internal guiding chip.
Camera temperature:  -10C
Image Acquisition Software:  None
Telescope:  Astro-Physics 155EDF with 4" field flattener, 1178mm focal length (F7.6).
Telescope control software:  TheSkyX, PemproV2, Focusmax
Mount:  Astro-Physics 1200GTO
Subexposures:
Total exposure time: 1 hour
Luminance: 20 x 3 minute unbinned.  Image scale 1.57 arc sec per pixel
Conditions: Humid, setting 40% moon. Low altitude (28 to 34 degrees).

Processing:  CCDStack2, Photoshop CS5.
Click here for 2000x1333
Click here for 3000x2000
Click here for full resolution Barnard 92/93
Click here for Pluto
Click here for allsky camera
view of rising Milky Way