[Add observation]

Observation 1
Feature(s)	Oval BA Europa
Filter(s)	ir
Date	2021-12-14 10:33:24
Julian day	2459562.939583333
System I	121.45411°
System II	120.99795°
System III	335.41495°
Illumination	99.2%
Phase angle	10.300000190734863°
Solar longitude	57.1°
Eq. diameter	36.93″
Derotation	6.0 min