Arp 284 and friends (keving)

Celestial hemisphere: Northern · Constellation: Pisces (Psc) · Contains: 16 Psc · NGC 7714 · NGC 7715 · The star 16Psc

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Arp 284 and friends

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Arp 284 and friends

I became aware of this composition in a recent article in Sky and Telescope, and decided to try and capture it in my backyard. It shows a conjunction of objects at three different cosmic scales...

In the foreground is the star 16 Pisces; at magnitude 5.7 this is visible by the naked eye and overshadows everything in this deep sky image - processing it away selectively was a challenge! This star is a mere 100 light years away.

Nearby in the image are the two interacting galaxies, NGC 7714 and 7715, collectively know as Arp 284. The peculiar shapes are evidence of strong intergalactic forces. These galaxies are around 100 million light years away.

To the right and slightly below Arp 284 (see small label) is a small blueish 'star' that is actually a quasar (QSO B2333+019) 10 billion light years away! (z = 1.87).

The night was quite windy and so guiding was not as good as it might be; some more detail could be revealed on a better night perhaps.

UK Astro-Imaging

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	1756559
PixInsight job	QZ1HQB94EOG8S0RFWPVC36VTIBPCHWOQ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	23h36m18s.922
RA (top/left)	23h35m43s.518
RA (top/right)	23h36m57s.753
RA (bottom/right)	23h36m54s.233
RA (bottom/left)	23h35m40s.103

Dec (center)	+02°06′53″.16
Dec (top/left)	+01°58′23″.22
Dec (top/right)	+01°59′22″.84
Dec (bottom/right)	+02°15′24″.81
Dec (bottom/left)	+02°14′23″.19

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Arp 284 and friends

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