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Object Saturn
Image type image
File size 145.0 KB
URL s2020-08-04_13-29-12_ir_tba.png
Observer Trevor Barry
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Comments: Imaged Saturn August 4th in fair to reasonable seeing targeting a CM transit of the 2010 GWS AV. I measure the AV to be at approx Lat+42.8 L3 322.1 this remains in good agreement with my ephemeris. The 685nm IR resolves the North polar vortex and vertices of the hexagon. The IR and to a lesser extent the R data resolves some of the concentric banding structure within the North polar collar. The IR data well resolves a compact dark spot at approx Lat+60.1 L3 11.6 while the R and RGB data well resolve a bright spot preceding the dark spot at approx Lat+63 L3 352.7 this pair of features are long lived and have been seen for some months now.

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Observation 1
Feature(s) N/A
Filter(s) ir
Date 2020-08-04 13:29:12
Julian day 2459066.0618055556
System I 182.74951°
System II N/A
System III 357.72113°
Illumination 100.0%
Phase angle 1.5°
Solar longitude 5.1°
Eq. diameter 18.34″
Derotation 0.0 min