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The Details
Object
NGC 6752 Globular Cluster in Pavo
Optics
Astro-Physics 12" Mak-Cass f/8
Platform
Astro-Physics 1600 Mount with absolute encoders
Camera
FLI 16803 Proline CCD
Filters
Tru-Balance LRGB filter set Gen 2
Date
18 & 19 June 2015
Location
Las Campanas Observatory, Chile
Exposure
L 10 ea x 300 sec 1x1 bin; RGB 7 ea x 300 sec 1x1 bin
Software
ACP, Maxim DL/CCD, , CCDStack 2, Photoshop CS5
Orientation
Field of view: 48' x 48' centered on RA 19h10m55s
DEC-60°00'09" (2000). North angle 359.7°; east 90° CCW from north
Notes
NGC 6752 is the third brightest globular cluster in the night sky, being bested only by Omega Centauri and 47 Tucana.  At a visual magnitude of 5.4 it is visible to the naked eye from a dark sky site.  It’s roughly 13,000 light-years from Earth in the direction of the southern constellation Pavo (The Peacock) and contains well over 100,000 stars within its 100 light-year diameter.  Bright red giant stars which dominate this cluster can be seen in the above image.

Total exposure time was 2 hours 35 minutes. This image is the result of a collaborative effort between Howard Hedlund of Astro-Physics, Inc. and Dave Jurasevich.

 

 

 

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