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Observation 1
Feature(s)	GRS oval BA white convective storms Io
Filter(s)	l
Date	2023-09-21 04:25:00
Julian day	2460208.684027778
System I	308.058°
System II	60.55386°
System III	86.70281°
Illumination	99.4%
Phase angle	8.600000381469727°
Solar longitude	116.0°
Eq. diameter	46.51″
Derotation	12.0 min