Arp 94: Two Buddies Doing a Little Star Sharing (Alex Woronow)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: NGC 3226 · NGC 3227 · PGC 1606943 · PGC 1609953 · PGC 1610086 · PGC 1611421 · PGC 30397

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Arp 94: Two Buddies Doing a Little Star Sharing

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Arp 94: Two Buddies Doing a Little Star Sharing

Arp 94: Two Buddies Doing a Little Star Sharing

OTA:……………….CHI-1: CDK24 f/6.5
Camera:………….FLI PL9000 – very noisy, wish it had a CMOS!
Observatory:…. Telescope Live, Chile

EXPOSURES:
…R: 20 x 300
…G: 20 x 300
…B: 21 x 300
Total exposure   5 hours

Image: 1 image pixel covers 2.2x10^21 km (or, 2.2 sextillion km)! (Dist to targets = 150M ly)
Processed by Alex Woronow (2023) using PixInsight, SWT, Topaz, 3DLut

Two galaxies in collision. NGC 3226, the smaller galaxy to the left of the larger NGC 3227. Perhaps you can see a faint, somewhat arcuate, very faint whisp to the left of the two galaxies. (It is just above the noise level and may not be visible on many monitors.) I would suspect that these two have made more than one pass around their common gravitational center, probably in elliptical orbits, and in the process of a close pass, a whisp of stars was dragged out of one of them to form this arcuate cloud. As the orbits decay, the two become closer together and now share stars. The merging of the two seems close at hand. In such mergers or near passes, astronomers believe that few, if any, star collisions actually occur. But it appears that star-burst activity has been induced in NGC 3227 at least. Can you imagine what it must be like to live on a star positioned between the two galactic centers? There must be fantastic night skies!

Hope you enjoy this view from afar,
Alex Woronow

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Status	Advanced success
Started	...
Astrometry.net job	7740034
PixInsight job	MOJ8IM0HZAYU08I0RQTBL1PEW1BV9XS8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	10h23m27s.638
RA (top/left)	10h22m48s.350
RA (top/right)	10h22m46s.445
RA (bottom/right)	10h24m06s.857
RA (bottom/left)	10h24m08s.821

Dec (center)	+19°52′39″.53
Dec (top/left)	+20°02′22″.14
Dec (top/right)	+19°43′24″.81
Dec (bottom/right)	+19°42′58″.47
Dec (bottom/left)	+20°01′53″.32

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Arp 94: Two Buddies Doing a Little Star Sharing

Arp 94: Two Buddies Doing a Little Star Sharing

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Arp 94: Two Buddies Doing a Little Star Sharing

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