土星 ALPO-Japan Latest

Saturn Image 2023/09/18(UT)
阿久津富夫
Paul G. Abel,Michael Wong
T.Akutsu,P.Abel,M.Wong

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雷雲が発生する前に撮像、気流が良くありませんが土星面の状況はわかります。IR-685,850フィルターでは本体の写りが違い,850の方がコントラストがあります。露出が２倍掛かりますので気流が良い時にしか使えません！

≪Cebu PHILLIPINES  阿久津富夫≫

Please find attached an observation of Saturn on 18th September.  Conditions were intially fair but fell off somewhat towards the end of the observation.  Key points are:
Globe:
?	STB and SEB slightly unusual here- it looked like there were slightly brighter regions in the STropZ which were indenting both belts.  SEB much weaker on the prec. side of the disk.
?	EZ bright,and a faint EB could be seen.
?	SEB broad,SEB(s) quite dark and a thin SEB(n) could be made out.
?	Further north the STB and SSTB could be seen,the SSTB probably darker than the STB.
?	STZ contains a greenish tint.
?	SPR seemed to contain a bluish colour tonight.  SPC well defined.
- It is the NEB which is broad with the NEB(s) quite dark!  NNTB darker than the NTB.
Rings:
?	A-Ring brownish-grey.
?	Cassini Division seen,black in colour.
?	B1-Ring brilliant,white in colour.  B3 ring also seen in better moments.
?	C-Ring dark but with a slight yellow tint at the ansae centre.  ShGR now prominent.
Intensity estimates made at 2053UT in integrated light.  Clouds put an end to observations at 2117UT.

[Paul G. Abel:Leicester:United Kingdom]

[Michael Wong,Hong Kong,China]

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