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Comments: North polar storm WS2 is on the edge of the polar collar near the F limb. The leading edge of the WS2 disturbance is at approx Lat+67 L3 267.4 while the trailing active cell is at approx Lat+71.4 L3 321.5 The large bright long lived EZ feature approx Lat+6.9 L3 254.9 and a line of three small bright spots precede it on the edge of the ring shadow at approx Lat-5.3 L3 237 Lat-7 L3 223.3 Lat- 5.9 L3 209.3 Line of at least two small bright spot following EZ feature on edge of ring shadow at approx Lat-7.9 L3 287.2 and Lat-8.4 L3 277.1
Bright spot in NNTrZ approx Lat+28.8 L3 266
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Observation 1 |
|
Feature(s) |
N/A |
Filter(s) |
r |
Date |
2018-06-21 15:39:24 |
Julian day |
2458291.152083333 |
System I |
74.72° |
System II |
168.72° |
System III |
288.23° |
Illumination |
100.0% |
Phase angle |
0.7° |
Solar longitude |
341.8° |
Eq. diameter |
18.27″ |
Derotation |
0.0 min |