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Observation 1
Feature(s)	GRS Ganymede STB Spectre
Filter(s)	rgb
Date	2018-03-28 15:19:18
Julian day	2458206.1381944446
System I	323.35°
System II	235.28°
System III	88.75°
Illumination	100.0%
Phase angle	7.5°
Solar longitude	304.6°
Eq. diameter	42.16″
Derotation	8.0 min