Comments: Jupiter & Io, my first Jupiter data for 2019

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Observation 1
Feature(s)	N/A
Filter(s)	742nmIR
Date	2019-01-20 19:13:00
Julian day	2458504.300694444
System I	330.2297°
System II	127.3204°
System III	60.033363°
Illumination	99.6%
Phase angle	7.400000095367432°
Solar longitude	327.7°
Eq. diameter	32.77″
Derotation	0.0 min