Comments: Bright Polar storm with two active cells close together. I measure the leading active cell to be at approx Lat+68.7 L3 299.8 with the following active cell at approx Lat+71 l3 318.8 There is also the long lived large bright EZ feature at approx Lat+5.9 L3 5.8

[Add observation]

Observation 1
Feature(s)	N/A
Filter(s)	ir
Date	2018-06-18 14:41:00
Julian day	2458288.1118055554
System I	26.94°
System II	135.79°
System III	342.75°
Illumination	100.0%
Phase angle	1.0°
Solar longitude	341.7°
Eq. diameter	18.26″
Derotation	0.0 min