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Object Saturn
Image type image
File size 117.0 KB
URL s2020-04-24_19-59-36_r_tba.png
Observer Trevor Barry
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Comments: Imaged Saturn April 24th, these data cover 1hr 12min’s of the rotation of the North Polar disturbance. Have quite reasonable 685nm IR and R data. There was a CM transit predicted for 19:17 UTC based on the original position from March 25th . Have IR data sets centred on 18:48 UTC, 19:17 UTC with a third set at 19:55 UTC, later than I had planned due to cloud arriving at quite an inopportune time. In IR the disturbance extends from approx Lat+76.2 L3 286.4 to Lat+76.5 L3 253.8 the R channel data reveals a similar state of affairs with the disturbance extending from approx Lat+75.8 L3 288 to Lat+75.6 L3 252.7 however the R channel shows the brightest section to be the “F” of trailing end which I measure to be centred on approx Lat+76 L3 281.2

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Observation 1
Feature(s) N/A
Filter(s) r
Date 2020-04-24 19:59:36
Julian day 2458964.332638889
System I 324.54855°
System II N/A
System III 308.23636°
Illumination 99.7%
Phase angle 5.800000190734863°
Solar longitude 2.0°
Eq. diameter 16.67″
Derotation 0.0 min