Celestial hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  20 Vir  ·  6 Com  ·  IC 3065  ·  IC 3077  ·  IC 3080  ·  IC 3093  ·  IC 3096  ·  IC 3142  ·  IC 3238  ·  IC 3244  ·  IC 3258  ·  IC 3280  ·  IC 3292  ·  IC 3303  ·  IC 3305  ·  IC 3311  ·  IC 3327  ·  IC 3331  ·  IC 3340  ·  IC 3344  ·  IC 3349  ·  IC 3355  ·  IC 3356  ·  IC 3358  ·  IC 3363  ·  IC 3365  ·  IC 3371  ·  IC 3381  ·  IC 3382  ·  IC 3388  ·  And 174 more.
Getting plate-solving status, please wait...
Virgo galaxy cluster mosaic (inc Markarian's Chain), Lee
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Virgo galaxy cluster mosaic (inc Markarian's Chain)

Getting plate-solving status, please wait...
Virgo galaxy cluster mosaic (inc Markarian's Chain), Lee
Powered byPixInsight

Virgo galaxy cluster mosaic (inc Markarian's Chain)

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Description

Temperatures were dropping fast last night with an eventual low of -11C and although the skies were poor, they were clear... so it was only right to get out there.

This is a 2 panel mosaic trying to squeeze in as much as possible within the Virgo galaxy cluster. I thought I had done a reasonable job until I saw the plate solved version here.. not even close!

The mosaic has a 20% overlap and contains 340 x 30s total subs - this ended up around 85 minutes per panel.

What a treat browsing over this 1:1 and finding the smallest smudge/line that you knew wasn't a star but another galaxy.

Captured with Voyager, calibrated & stacked in APP then processed in PixInsight.

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Sky plot

Sky plot

Histogram

Virgo galaxy cluster mosaic (inc Markarian's Chain), Lee

In these public groups

UK Astro-Imaging
Samyang 135 f/2