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Object Saturn
Image type image
File size 138.0 KB
URL s2024-12-11_11-30_685nmIR_tba.png
Observer Trevor Barry
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Comments: Imaged Saturn December 11th 2024 targeting a CM transit of the large bright oval at approx Lat-49.These data well resolve the classic oval morphology this feature has developed at all wavelengths. I now have four data points for this oval over 21 days which provide a current drift of –11.8666 L3 degrees/day. Seeing was good for this session and have data covering 2 hrs of Saturn rotation. Detail resolved in these data An interesting bright spot in the NPR at approx Lat+55.8 L3 236.7 in 685nm IR data. A compact bright spot just below the ring shadow at approx Lat-10.9 L1 68.2 in 685nm IR data. A bright spot at approx Lat-16.7 L1 350.5 in 685nm IR, R and RGB data. A large bright feature at approx Lat-17.2 L1 30.7 in 685nm IR, R and RGB data. A large bright oval at approx Lat-48.4 L3 190.7 resolved in 685nm IR, R and RGB data. A low contrast bright spot at approx Lat-48.8 L3 246.6 in 685nm IR and R data.

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Observation 1
Feature(s) N/A
Filter(s) 685nmIR
Date 2024-12-11 11:30:00
Julian day 2460655.9791666665
System I 62.46026°
System II N/A
System III 246.20541°
Illumination 99.7%
Phase angle 5.800000190734863°
Solar longitude 55.0°
Eq. diameter 17.07″
Derotation 0.0 min