Comments: Jupiter

[Add observation]

Observation 1
Feature(s)	Jupiter GRS Io Europa Ganymede
Filter(s)	N/A
Date	2023-12-19 21:01:00
Julian day	2460298.3756944444
System I	217.27223°
System II	5.4906454°
System III	55.42357°
Illumination	99.4%
Phase angle	8.800000190734863°
Solar longitude	124.1°
Eq. diameter	45.74″
Derotation	1.0 min