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Observation 1
Feature(s)	GRS Io
Filter(s)	ir
Date	2021-09-08 12:28:36
Julian day	2459466.019444444
System I	4.2861075°
System II	23.219545°
System III	211.85783°
Illumination	99.9%
Phase angle	4.099999904632568°
Solar longitude	48.4°
Eq. diameter	48.43″
Derotation	5.0 min