Observation notes (with equipment details), photos, sketches, reviews, software tips, random thoughts, by an amateur astronomer.
Thursday, February 11, 2016
where is the GRS?
I've been wondering about the longitude of the GRS. Been a while since I changed it. [ed: About one year ago.] According to JUPOS, the Great Red Spot is around 239. Will need to check SkyTools.
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