Hello,
For not to be too long and for those interested in the topic, please have a look on the article:
http://iopscience.iop.org/0004-637X/..._636_2_685.pdf
Some Databook Information For NGC 253
Right Ascension: 00:47.6 (h:m)
Declination: -25:17 (deg:m)
Distance: ~ 10 million light years
Apparent Dimension: 26.4 x 6 (arc min)
Magnittude: 7.2
Object Type: Barred Spiral Galaxy
Image Details:
Luminance: 15x900sec bin 1x1
Blue: 15x600sec bin 2x2
Red: 15x600sec bin 2x2
Green: 12x600sec bin 2x2
Telescope: Skywatcher Esprit 120mm f/7
CCD: Trius SX-694
StarLight Express Mini Filter Wheel and OAG
CCD Guiding: Lodestar
Capture and guiding software: MaxIm DL 6.0
Mount: EQ-6 Pro
Processing: PixInsight
Bias, Darks and Flats applied
For high rresolution images click on the links below
Image without overlay
Image with overlay
In annotated version, please pay attention mainly for the background galaxies and their PGC catalog's numbers. They represent a wealth of new information for styding.
Thanks for looking,
Fernando
** A note about the edition: The image has been rotated by 90 degrees, as suggested by Rick, to improve visibility in regular monitors.
Thanks for the suggestion Rick!! **