Celestial hemisphere:  Southern  ·  Constellation: Virgo (Vir)  ·  Contains:  NGC 5426  ·  NGC 5427
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Arp 271 | An Interacting Pair in a Rich Galaxy Field, Kevin Morefield
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Arp 271 | An Interacting Pair in a Rich Galaxy Field

Getting plate-solving status, please wait...
Arp 271 | An Interacting Pair in a Rich Galaxy Field, Kevin Morefield
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Arp 271 | An Interacting Pair in a Rich Galaxy Field

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What makes his pair of galaxies so unique is that they seem to be already intertwined yet somehow showing no sign of disturbance.  Does this mean they have only now come together and we are seeing them just before all Hell breaks loose?  I suppose it's also possible that the NGC 5426 on the left is just in front of NGC 5427 and so they aren’t as close as they seem.  Hubble has imaged a bridge of stars and other matter being shared between the two. https://science.nasa.gov/missions/hubble/hubble-observes-a-galactic-distortion/   So that should confirm they are quite close even if one is in front from out view.  Either way, depending on your point of view, this could be what the Milky Way and Andromeda look like in 3 billion years.  

Pretty as they are, these two are really small.  Each spans only 2.5 arc-minutes and that limits what we can resolve with our amateur equipment.  I held on to this data for a year because I didn't think I was seeing enough detail to warrant posting.  You get kind of spoiled by the big ones, you know...  But looking at it again I really liked all of the background galaxies and thought this unique pair deserved to see the light of day or maybe that should be the light your screen!

I was pleased that Hubble's image of NGC 5427 confirms the blue dominant colors I saw.  There is a little Ha activity but not a lot in my data nor in Hubble's.  At 130 million light years distant the Ha would likely be red-shifted out of my filter's bandwidth.  So I didn't bother with Ha.  

The VLT imaged this pair with the VISMO (VIsible Multi-Object Spectrograph) camera's final image.  https://scitechdaily.com/vimoss-final-image-interacting-galaxies-ngc-5426-and-ngc-5427/  Naturally it is better resolved than mine and confirmed another distant galaxy pair I thought I saw was not an artifact!   It appears there is a blue spiral in front of a deep red galaxy behind.  This little pair measures 30x30 pixels for me or 8 arc-seconds!  I would love to know the redshift on the one in the back.

VLT left, mine on the right rotated to match.
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  • Arp 271 | An Interacting Pair in a Rich Galaxy Field, Kevin Morefield
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Arp 271 | An Interacting Pair in a Rich Galaxy Field, Kevin Morefield