Comments: GRS with Oval BA near the limb

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Observation 1
Feature(s)	GRS Oval BA
Filter(s)	rgb
Date	2019-04-20 18:03:18
Julian day	2458594.252083333
System I	96.93692°
System II	287.5969°
System III	244.297°
Illumination	99.4%
Phase angle	8.899999618530273°
Solar longitude	334.9°
Eq. diameter	42.15″
Derotation	30.0 min