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Markarian's Chain with 90mm refractor


drjolo

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At the very end of astronomical winter clouds eventually went away for a few nights. I still have a 3 by 2 degrees FOV setup in my backyard shed, so I have pointed it to the Virgo cluster and captured six hours of luminance to check it out. Despite the light polluted sky (19-19.5 mag/arcsec2) some interesting details and views appeared in the frame. 

Imaged with TecnoSky 90/540 Owl refractor and QHY268M camera on EQ6 mount. Baader L filter, 175x2 minutes. 

Full frame view:

2023-03-20-Markarian-Chain.thumb.jpg.f1e083ca086932a835d2c8b51a762f02.jpg

NGC4438 area

2023-03-20-Markarian-NGC4438.thumb.jpg.c5fed9958bccfd6e76059dc6d0828fe1.jpg

NGC4440 with a faint dwarf galaxy or galaxy cluster above it http://simbad.cds.unistra.fr/simbad/sim-id?Ident=%401934832&Name=LEDA 40932&submit=submit - there are more such faint blobs around the frame.

2023-03-20-Markarian-NGC4440.thumb.jpg.1c6b8818ce8efc0abb539acfe568a652.jpg

NGC4459 lenticular galaxy, and another faint blob above the image center and a bit left

2023-03-20-Markarian-NGC4459.thumb.jpg.8c775b8fba0d237369135492f6036174.jpg

And also the M87 jet ( at 2 o'clock )- less stretched, but scaled up 200%. 

2023-03-20-Markarian-M87jet.thumb.jpg.3f047f042451a4baac6b6b21d10fb7d1.jpg

Ten years ago I would never hope to catch some decent galaxy images with a 90mm refractor :) 

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