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Abell 1185

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About this observation
Observer
David Strange
Time of observation
31/03/2020 - 23:18
Object
Arp 105 in Abell 1185
Observing location
Salcombe Regis
Equipment
C8 Hyperstar
ASI 183MM Pro CCD
Exposure
30x30s
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Arp 105 is an interesting peculiar system in the Galaxy Cluster Abell 1185in UMaj. There is a very faint plume (seen here) that runs to the north from NGC 3561 ending in a small blob known as "Ambartsumian's Knot",also known as the "Guitar". The plume extends for 325,000 light years. Abell 1185 lies at a distance of 400 million light years.

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