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The Details
NGC 253 in Sculptor
Astro-Physics 160 EDF Refractor at f/7.5
Astro-Physics 1200 GTO
Tru-Balance LRGB filter set
20 October 2006
Kofa National Wildlife Refuge, Yuma County - Southwestern Arizona
L 11 x 600 sec 1x1 bin; RGB 4 x 600 sec, 1x1 bin
Maxim DL/CCD, Registar, Photoshop CS2
Field of View: 42'24" x 28'33" centered on RA 00h47m29.5s
DEC -25°17’06” (2000.0) . North angle 105.52 °; east 90° CCW from north

NGC 253 is a southern skies object lying in an obscure region of the sky in the modern constellation Sculptor. It was discovered by Caroline Hershcel on September 23, 1783 from the Cape of Good Hope in Africa. Estimated to lie about 12 million light years from earth and span nearly 60,000 light years across, it is one of our closest and brightest neighbors outside the Local Group of galaxies. The rich dust lanes and delicate HII regions of this object along with its large apparent size make it a particular favorite of astro-imagers. Because of it's relatively low altitude even at transit from most locations in the United States, photographing this galaxy means shooting through a thick column of image-distorting atmosphere. Pick a night of good seeing to maximize your chances of bringing out the subtle detail in this fine object.




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