土星 ALPO-Japan Latest
Saturn Image 2020/04/24(UT)
Clyde Foster,Trevor Barry,Vlamir da Silva Junior
C.Foster,T.Barry,V.da Silva Jr.
Unfortunately non-ideal seeing conditions giving limited resolution.
I had timed this session to try and attempt a view of some of the finer details recently discussed by Chris,
Trevor and Agustin,but without excellent seeing,I was reminded just how difficult it is to capture these subtle details.
[Clyde Foster:Centurion,South Africa]
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” or trailing end which I measure to be centred on approx Lat+76 L3 281.2
[Trevor Barry:Broken Hill:Australia]
[Vlamir da Silva Junior : Sao Paulo,Brazil]
ALPO-Japan Latest
