Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  HD14511
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Arp 273 - interacting galaxies and new star formation, hollo
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Arp 273 - interacting galaxies and new star formation

Revision title: A tighter crop

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I had 3 nights of really good (for me) seeing with the jetstream no longer overhead. I shot this near the meridian for a short period each night, and am really pleased with the amount of detail I found in a really small and fascinating object. This is from Halton Arp's catalogue of interacting galaxies which is well worth checking out. The smaller galaxy has already passed through the larger one, distorting it and setting off a burst of star formation in its outer arms which is why these are bluer in colour from the new blue stars.

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    Arp 273 - interacting galaxies and new star formation, hollo
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Title: A tighter crop

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Arp 273 - interacting galaxies and new star formation, hollo