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Object Saturn
Image type image
File size 153.0 KB
URL s2019-09-25_09-21_685nmIR_tba.gif
Observer Trevor Barry
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Comments: Imaged Saturn Sept 25th in good seeing. The structure within the NPR is well seen, still as concentric brighter and darker thin bands. A chain of spots are resolved along the Southern edge of the NPR at all wavelengths. The most prominent; a bright spot leading a dark spot trailed by another bright spot. I measure the leading bright spot to be at approx Lat+64.3 L3 160.4 dark spot at Lat+64 L3 166.5 trailing bright spot Lat+64.5 L3 172.9 Note that the 09:38 IR data was used for the above measurements. Also note in my first IR for the session a dark spot toward the P limb, the 2010 GWS AV at approx Lat+43 L3 99.1 Both R and RGB data well resolve a bright spot at approx Lat+29.2 L3 147.2

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Observation 1
Feature(s) N/A
Filter(s) 685nmIR
Date 2019-09-25 09:21:00
Julian day 2458751.8895833334
System I 257.82507°
System II N/A
System III 159.6718°
Illumination 99.8%
Phase angle 5.599999904632568°
Solar longitude 355.6°
Eq. diameter 16.92″
Derotation 0.0 min