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About this Image |
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NGC 253 is the brightest member of the Sculptor group of galaxies, which is grouped around the South galactic pole.
. The Sculptor group is perhaps the nearest to our Local Group of galaxies.
NGC 253 is also one of the brightest galaxies beyond the Local Group.
In the lower left corner lies the globular cluster NGC 288, The globular cluster is just 27000 light years away and thus part of the halo surrounding our Milky Way,
while the distance to the Sculptor Galaxy NGC 253 is approximately 10 million light years.
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Optics |
105mm TMB refractor with flattener at f/6.5 |
Mount | AP-400 GEM |
Camera | SBIG STL-11000M at -25C, internal filter wheel |
Filters | Astronomik LRGB |
Date | Aug 14, 2004. |
Location | Hakos/Namibia |
Sky Conditions | mag 6.5, high transparency, temperature 6 C, good seeing |
Exposure |
LRGB= 30:15:15:15 min (5-minute sub-exposures)
all 1x1. |
Processing |
Image aquisition in Maxim DL 4.0; Image calibration, aligning, mean stacking, DDP and color synthesis in ImagesPlus; 1x deconvolution for galaxy area Photoshop: color balance, cropped; |