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Observation 1
Feature(s)	Io with shadow
Filter(s)	lum
Date	2019-06-19 04:37:48
Julian day	2458653.6923611113
System I	87.56157°
System II	184.68959°
System III	157.24089°
Illumination	100.0%
Phase angle	1.7000000476837158°
Solar longitude	339.6°
Eq. diameter	45.88″
Derotation	0.0 min