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Comments: Imaged Saturn October 11th 2020 in mostly good seeing which nearly held in for the whole session only dropping off toward the end of it. The North polar vortex and vertices of the hexagon are well resolved in the 685nm IR data. The long lived fast moving dark spot / bright spot combination just inside the polar collar (NPR) are very well resolved in the 685nm IR data and are glimpsed in R and RGB data. All data well resolved the large amplitude ripple on the edge of the EZ impinging into the NEB. I measure the NPR dark spot to be at approx Lat+63.7 L3 246.6 bright spot at approx Lat+63.6 L3 255.8 with the EZ ripple at approx Lat+14.4 L1 236.1.
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Observation 1 |
|
Feature(s) |
N/A |
Filter(s) |
rgb |
Date |
2020-10-11 10:12:48 |
Julian day |
2459133.925 |
System I |
238.19641° |
System II |
N/A |
System III |
299.63785° |
Illumination |
99.8% |
Phase angle |
5.699999809265137° |
Solar longitude |
7.2° |
Eq. diameter |
16.84″ |
Derotation |
0.0 min |