Comments: Possible volcanic eruption at IO

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Observation 1
Feature(s)	IO Jupiter Moon
Filter(s)	no
Date	2021-06-20 21:45:52
Julian day	2459386.40625
System I	302.42532°
System II	208.906°
System III	16.347208°
Illumination	99.2%
Phase angle	10.399999618530273°
Solar longitude	41.3°
Eq. diameter	43.73″
Derotation	0.0 min