Comments: GRS near CM. Resolution limited by low altitude/seeing.

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Observation 1
Feature(s)	GRS
Filter(s)	rgb
Date	2018-05-13 04:46:00
Julian day	2458251.698611111
System I	6.86°
System II	291.15°
System III	156.7°
Illumination	100.0%
Phase angle	0.800000011920929°
Solar longitude	308.2°
Eq. diameter	44.74″
Derotation	8.0 min