Comments: Seeing was not good enough for 20 cm aperture, so I decided to use the smaller telescope this time.

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Observation 1
Feature(s)	GRS white convective storms blue festoons
Filter(s)	l
Date	2023-11-19 18:45:00
Julian day	2460268.28125
System I	76.15945°
System II	93.99849°
System III	136.00627°
Illumination	99.9%
Phase angle	3.5°
Solar longitude	121.4°
Eq. diameter	48.88″
Derotation	10.0 min