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Arp 178 and NGC 5371


Mike JW

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April 12th, very clear air but lit by the moon. Two contrasting highlights from last night.

Arp 178 in Bootes. This my second attempt at this object. I was keen to pick up the large plume. It is a trio of galaxies. NGC 5614 is the obvious galaxy with the plume. Just below the core is a 'star' which is NGC 5615 and then off to the right is NGC 5613. NGC 5614/5 are about 190 million lyrs away and 5613 is much further out so is unrelated to the pair. 5614 and 5615 may well be merging.

 

 

 


ARP_178_NGC.5613_2019.3.31_22_29_39.thumb.png.fd89613963648305936402204305f8cc.png

 

NGC 5371 is in Canes Venatici and is a a barred spiral. As the shot developed I enjoyed seeing the regions of star formation appear (knots). To me the bar seems short and not immediately obvious. Apparently 5371 is roughly the same distance as the near by Hickson 68 group.

NGC5371.thumb.png.b13596e92a29a721a9475faba6f58877.png

 

Mike

Edited by Mike JW
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I think there is something special about galaxies like NGC 5371 that have a certain tilt relative to us. They seem to be resting against the star field or just hanging there. I have a shot of this from 2017 but yours is quite a bit cleaner.

Arp 178 is a fascinating grouping. So the two star-like things are other galaxy cores?

Martin

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