User contributions for Agmartin

A user with 6,006 edits. Account created on 19 September 2010.
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  • 22:2122:21, 22 June 2021 diff hist +31 C/2014 UN271 (Bernardinelli–Bernstein)We have a report of current cometary activity which results in it being about 2 magnitudes brighter than expected. We know that it is not 2 1/2 times larger, as the brighter magnitude would imply, but not necessarily that it is smaller than originally reported.

21 June 2021

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19 June 2021

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