[Add observation]

Observation 1
Feature(s)	GRS Oval BA
Filter(s)	ir
Date	2019-05-17 14:44:06
Julian day	2458621.113888889
System I	282.0941°
System II	267.70956°
System III	231.57285°
Illumination	99.8%
Phase angle	4.900000095367432°
Solar longitude	337.0°
Eq. diameter	44.91″
Derotation	5.0 min