Celestial hemisphere:  Northern  ·  Constellation: Camelopardalis (Cam)  ·  Contains:  NGC 1961
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NGC 1961 (Arp 184), Roberto Marinoni
NGC 1961 (Arp 184)
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NGC 1961 (Arp 184)

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NGC 1961 (Arp 184), Roberto Marinoni
NGC 1961 (Arp 184)
Powered byPixInsight

NGC 1961 (Arp 184)

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Description

NGC 1961 is a galaxy in Camelopardalis constellation.

Its distance is 180 million light years and its apparent size is 4'x3'; it is the largest member of a small group of ten galaxies.

Due to its perturbed form on the southern spiral arm, it was also classified like Arp 184.

However there is no trace of an interaction with a companion.

Radio observation suggests that NGC 1961 is indeed an "intruder" inside the small galaxy group: by entering the group, this galaxy piles up the gas in the group medium , compressing it on its southern side, leading to the perturbation on the spiral arm that we see in the image.

(source: The Cambridge Photographic Atlas of Galaxies)

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NGC 1961 (Arp 184), Roberto Marinoni

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Astrofili Dalai Lama
Imagers of Italy