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Observation 1
Feature(s)	GRS Europa transit
Filter(s)	ch4
Date	2022-09-14 05:16:00
Julian day	2459836.7194444444
System I	321.35028°
System II	31.97593°
System III	319.23428°
Illumination	99.9%
Phase angle	2.9000000953674316°
Solar longitude	82.0°
Eq. diameter	49.53″
Derotation	10.0 min