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NGC 1808 Galaxy in Columba

NGC 1808, a warped Seyfert type galaxy in approx. 40 million light-years distance is a typical star-burst galaxy with violent star formation and jets of hydrogen and dust ejected from its active core. Around the very bright core a dim outer shell can be observed.

This peculiar shape is evidence that NGC 1808 may have had a close interaction with another nearby galaxy, NGC 1792 (outside of this image), an interaction could have hurled gas towards the nucleus of NGC 1808, triggering the exceptionally high rate of star birth.

Find a Hubble image here:

Image data:
LRGB (500-140-140-140 min) total 15.3 h, north is up, seeing 0.8-1.2 arc-sec,
80cm f/7 Astrooptik Keller cassegrain, FLI PL-16803, Astrodon Gen2 filters, Prompt 7 CTIO Chile

Processing: Johannes Schedler

Find the full frame image in 25/70% size below

 click for 70% size

Find a center crop on the galaxy in 40/100% size below

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Find a bottom left crop on the interacting galaxy pair PGC16801/16804 in 150% size below (like Hubble's Mice!)

 

Last modified on Monday, 11 January 2016 21:59

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