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IC 1613 in Cetus

Astrophotography from Ursa Major Observatory @ ROSA

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Dwarf galaxy (dwarf Irr)
16.6’ x 14.9’
9.9 mag
Cet
2017-11-15+18+19+20+21
Astro-Physics 175mm f/8 Starfire EDF with field flattener (f=1452mm)
10micron GM3000 HPS
L 24x6 min, RGB 8x6 min each
4h 48min
Camera:
Moravian G4-16000 with Baader filters
Image acquisition by CEDIC team (Bernhard Hubl, Christoph Kaltseis, Markus Blauensteiner) Image processing by Bernhard Hubl
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The irregular dwarf galaxy IC 1613 is a member of the Local Group of Galaxies. It can be found inside the constellation Cetus in a distance of 2.4 million light-years. IC 1613 has played an important role in the calibration of the period luminosity relation of Cepheids for estimating distances, because an unusually low abundance of interstellar dust both within IC 1613 and along the line of sight enables especially accurate distance estimates. Four distant galaxy clusters are also visible in the above image: GxCl 01 (MCXC J0105.0+0201) with redshift z = 0.197 (light-travel time          = 2.3 billion years) GxCl 02 (NSCS J010328+022246) with redshift z = 0.280 (light-travel time          = 3.1 billion years) GxCl 03 (NSCS J010529+023128) with redshift z = 0.250 (light-travel time          = 2.8 billion years) GxCl 04 (NSCS J010525+023904) with redshift z = 0.140 (light-travel time          = 1.7 billion years)
2.4 Mio Ly