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Observation 1
Feature(s)	GRS Oval BA Ganymede
Filter(s)	rgb
Date	2020-09-23 11:37:30
Julian day	2459115.984027778
System I	181.83286°
System II	351.63705°
System III	87.16589°
Illumination	99.1%
Phase angle	10.800000190734863°
Solar longitude	17.8°
Eq. diameter	41.5″
Derotation	15.0 min