土星 ALPO-Japan Latest
Saturn Image 2020/06/25(UT)
Paul G. Abel,Trevor Barry,Vincenzo della Vecchia,Michael Wong,Milika-Nicholas
P.Abel,T.Barry,V.della Vecchia,M.Wong,Milika-Nicholas
Attache dis an observation fo Saturn I made this morning. This is probably one of the finest views of Saturn I've had in a good few years which is very unusual given the low altitude. I was expecting a turbulent image but for a good 10 minutes seeing was around AII-III. I can only assume that the loft conversion in the house opposite has had a large impact and that heat from the rood has been substantially reduced- that combined with the jet-stream being far north may account for the good conditions.
The NEB(s) was once again quite dark and seemed to contain irregular patches. The NNTB was also present and I believe the NTB was also glimpsed. The greenish tint to the NTZ continues to be present. A-Ring was greyish brown,and I was able to follow the Cassini Division much further than usual although not all of the way around. Conditions returned to normal at 0018UT.
[Paul G. Abel:Leicester:United Kingdom]
Imaged Saturn June 25th targeting a CM transit of the 2010 GWS AV. The jet stream was unco-operative making the for variable seeing. The 685nm IR data handled conditions better than did the R,G & B data and was good enough to resolve the AV quite well which I measure to be at approx Lat+42.7 L3 24.3 which remains well in agreement with my ephemeris. The IR also well resolved the vertices of the polar hexagon and also the north polar vortex. The IR also resolves concentric structure of the detail within the north polar collar. The R channel data and RGB were not quite up to resolving the fine detail that would have been there but for the effect of the jet.
[Trevor Barry:Broken Hill:Australia]
[Vincenzo della Vecchia : [Aversa,Italy]
[Michael Wong,Hong Kong,China]
Not a lot to note although there appears to be an obscure brigtening in Northern latitudes... ;)
Presented as an rgb 7 the individual filter images.
[Milika-Nicholas:Adelaide,South Australia]