野々口氏のスケッチからは、ウートピア(Utopia;250W,+60)付近
に出ていた雲の東の端を観測されていて、この雲がどこまで拡が
っているかを決定する重要な記録となった。この雲の広がりは
野々口氏の観測された反対側の記録があれば、極を挟んでどのよ
うな広がりになっているかをきめることができることだろう。フ
ロリダのヘルナンデス氏のスケッチではコメントにエリツュラエ
ウム(Erythraeum;40W,-27)付近をダストが覆っていると、何人か
の観測者が言っていると書かれているのが気になる。ヘラス
(Hellas;300W,-50)付近から拡がってきたダストのベールがこの付
近にまで達したのかはこのスケッチだけでは判断できない。

The end of the cloud of Utopia(250W,+60) could be observed.
The drawing of Mr.Nonoguchi showed it. If understanding a
state opposite to Mars, it will find the expanse of cloud.
It is saying that a dust is covered about Mr.Hernandez to
Erythraeum(40W,-27). It isn't possible to judge that veil from
Hellas(300W,-50) moved.
FROM Makoto ADACHI
-------------------------------------------------------------------------------------

≪香川県高松市  野々口猛浩≫

I have made an observation of Mars on May 8, 2003 (08:15 U.T.) under average
seeing conditions (5-6/10, with moments of 7/10). I noted much detail over
the Mare Erythraeum region as described below. Dust over the Argyre region
was not noted at this time as recently reported as possibly being observed
by some observers. Agathodaemon/Tithonius Lacus (the central portion of the
great Valles Marineris) was prominently noted towards the following limb
adjacent to an extremely bright morning limb haze (MLH). I welcome any
comments on my Mars observation.

Date (U.T.): May 8, 2003
Time (U.T.): 08:15
CM: 055.8
Ls: 181.4, De: -17.2, Ds: -0.6
Diameter: 10.0 arc-seconds
Instrument: 9-inch (23-cm) F/13.5 Maksutov-Cassegrain
Magnification: 248x and 365x
Filter (Wratten): 30 (Magenta)
Seeing (1-10): 5-6 (moments of 7/10), Antoniadi (I-V): III
Transparency (1-6): 4

Notes:
South Polar Hood (SPH): Appears extremely bright (10/10) over the southern
limb.
Sinus Meridiani: It's following (western) border appears adjacent to the
evening (preceding) limb enshrouded by an extremely bright (9/10) evening
limb haze (ELH).
Margaritifer Sinus: Appears dark (3/10) and triangular-shaped towards the p.
limb.
Mare Erythraeum: Appears dark (3/10) with lighter (shaded, 6/10) regions
consisting of Pyrrhae Regio and Protei Regio (preceding to following). A
dark (3/10) bar (Arsinoes Depressio?) appears to divide Pyrrhae Regio and
Protei Regio. Eos appears shaded to bright (6-7/10) north of Pyrrhae Regio.
Mare Australe: Appears dark (3/10) and uniform north of the SPH.
Aurorae Sinus: Appears dark (3/10) with a dark (3/10) projection from it's
following end (possibly the southern portion of an obscured Ganges?).
Bosporos Gemmatus: Appears dark (3/10) and extends south between Aurorae
Sinus and the SPH.
Agathodaemon (Coprates)/Tithonius Lacus: Appears dark (3/10) as a projection
from the following border of Aurorae Sinus. This represents the central
portion of the great Valles Marineris.
Chryse-Xanthe: Appears bright (7/10) without any detail visible within.
Niliacus Lacus: Appears as a dark (3/10) wedge towards the northern limb
which connects to a dusky to dull (4-5/10) Nilokeras adjacent to an
extremely bright (9/10) morning (following) limb haze (MLH).
North Polar Haze (NPH): Appears extremely bright (9/10) over the northern
limb.

The best of luck in your own imaging of the red planet and to the rest of
the Japan-ALPO group.

Carlos E. Hernandez

[[Carlos E. Hernandez  South Florida U.S.A Carlos E. Hernandez]]

ALPO-Japan Latest Mars Section