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Observation 1
Feature(s)	Io and its shadow white convective storm
Filter(s)	l
Date	2023-09-20 04:11:00
Julian day	2460207.6743055554
System I	141.52286°
System II	261.6929°
System III	287.53928°
Illumination	99.4%
Phase angle	8.699999809265137°
Solar longitude	116.0°
Eq. diameter	46.39″
Derotation	15.0 min