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Old 08-11-2021, 02:31 PM
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Quark (Trevor)
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Saturn 2010 GWS AV Nov 4th

Hi All,

Imaged Saturn November 4th 2021 targeting a CM transit of the 2010 GWS AV, these data provided an early birthday present. The transit should have occurred at 09:14 UTC just at Sunset with the sky still quite blue. Saturn was not yet visible at that time but Jupiter had just popped out so slewed from Jupiter to Saturn using my optical finder. Have very well resolved the AV in 685nm IR data with the R and RGB data just providing a subtle glimpse of the AV. The IR data provided a very good data point for my spread sheet and drift chart for the AV. I measure the AV to be at approx Lat+41.6 L3 288.5 a mid latitude bright spot is also resolved in the R data at approx Lat+30 L3 336.5. The IR animation reveals considerable low contrast detail within the EZ and the RGB polar map nicely resolves the vertices of the polar hexagon. All data from this session has been uploaded to PVOL.




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Click for full-size image (s2021-11-04_09-35-54_r_tba.png)
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Click for full-size image (s2021-11-04_09-42_rgb_tba.jpg)
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Old 08-11-2021, 09:17 PM
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cometcatcher (Kevin)
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Great catch Trevor!

Unfortunately it's back to tcloud here. I would have liked to try for it.
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Old 09-11-2021, 08:22 AM
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multiweb (Marc)
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Another superb set Tev. Those little storms are so clear and defined.
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Old 09-11-2021, 08:38 AM
Dave882 (David)
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Great pics Trevor
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Old 10-11-2021, 02:44 PM
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Quark (Trevor)
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Thanks Kevin, certainly need some luck with the weather which seems to be quite erratic at the moment. Still hope for a few more night of stable air to finish of this apparition.

Thanks Marc, the negative or Westward drift of the AV is slowing due to a slight Southward drift component that has become quite evident over the last year. I was worried that we may be witnessing the demise of the AV which I have become quite attached to over the last decade. I hope it is still visible in 2022.

Thanks David.
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Old 14-12-2021, 10:37 AM
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samilag (Giuseppe)

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Hello Trevor,
very interesting work, great results !!

Po valley Italy
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