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Observation 1
Feature(s)	GRS Europa Callisto
Filter(s)	rgb
Date	2019-05-17 15:52:30
Julian day	2458621.1611111113
System I	323.7943°
System II	309.0474°
System III	272.9233°
Illumination	99.8%
Phase angle	4.900000095367432°
Solar longitude	337.0°
Eq. diameter	44.91″
Derotation	13.0 min