Celestial hemisphere:  Northern  ·  Constellation: Sextans (Sex)  ·  Contains:  HD88548  ·  HD88581  ·  HD88611  ·  HD88725  ·  HD88749  ·  HD89011  ·  NGC 3156  ·  NGC 3165  ·  NGC 3166  ·  NGC 3169
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NGC 3169, 3166... among many others, l.roulin
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NGC 3169, 3166... among many others

Revision title: New stretch after a bit of GraXpert denoising

Getting plate-solving status, please wait...
NGC 3169, 3166... among many others, l.roulin
Powered byPixInsight

NGC 3169, 3166... among many others

Revision title: New stretch after a bit of GraXpert denoising

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Description

Needs way more exposure time, of course. I also need to find a way to avoid those weird artifacts on stars. Maybe something going wrong in the stacking process from SIRIL.

Also, notice the galaxy cluster on the right of the image. I found a reference (http://atlas.obs-hp.fr/hyperleda/ledacat.cgi?o=PGC%2029703) for one of those galaxies, which appears to have a heliocentric radial velocity of ~14 000 km/s. Which equates, according to the Hubble diagram, to a distance of 200 megaparsec or 650 000 light years (very roughly).

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  • NGC 3169, 3166... among many others, l.roulin
    Original
  • NGC 3169, 3166... among many others, l.roulin
    B
  • Final
    NGC 3169, 3166... among many others, l.roulin
    C

C

Title: New stretch after a bit of GraXpert denoising

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NGC 3169, 3166... among many others, l.roulin