I can't match the above observations for aperture, but I made an observation of this object in 2014 with a 12" Newtonian from my badly light polluted site in Lancashire. I noted a small disc, just a...
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I can't match the above observations for aperture, but I made an observation of this object in 2014 with a 12" Newtonian from my badly light polluted site in Lancashire. I noted a small disc, just a...