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Object Saturn
Image type image
File size 87.0 KB
URL s2023-05-10_18-35_ir_tba.png
Observer Trevor Barry
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Comments: Imaged Saturn May 10th in good seeing, have nicely resolved the Lat-55 bright spot at approx Lat-54.9 L3 5.0. This is my third data point for this spot previously resolving it April 2nd and April 21st. Have started a spread sheet for this feature and now with three data point the L3 Eastward drift over 38 days is 3.25 degrees / Earth day. These data cover 1 hr 50 minutes of Saturn rotation with quite stable seeing for the duration; the 685nm IR data was especially nice. An extensive series of bright spots are resolved mid SEB from limb to limb. This series of spots includes a compact region where the spots are virtually in contact with each other and I have measured the centre of this clump to be at approx Lat-31.9 L3 316.1

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Observation 1
Feature(s) N/A
Filter(s) ir
Date 2023-05-10 18:35:00
Julian day 2460075.2743055555
System I 98.44592°
System II N/A
System III 299.2022°
Illumination 99.8%
Phase angle 5.699999809265137°
Solar longitude 36.4°
Eq. diameter 16.47″
Derotation 0.0 min