Comments: SCT11", f/30, ASI290MM, 610 nm filter At least! First Neptunian storm for me this year. Near +61,3... not sure at all of this measure though...

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Observation 1
Feature(s)	+61 3 spot
Filter(s)	610
Date	2017-08-28 05:01:00
Julian day	2457993.709027778
System I	N/A
System II	N/A
System III	28.6°
Illumination	100.0%
Phase angle	0.30000001192092896°
Solar longitude	315.2°
Eq. diameter	2.31″
Derotation	16.0 min