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Observation 1
Feature(s)	GRS Oval BA Callisto
Filter(s)	ch4
Date	2020-05-03 19:22:30
Julian day	2458973.3069444443
System I	195.82143°
System II	14.261764°
System III	71.77648°
Illumination	99.1%
Phase angle	10.800000190734863°
Solar longitude	5.7°
Eq. diameter	40.9″
Derotation	12.0 min