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Mars Image 2007/12/28(UT)
Carlos.E.Hernandez,Tiziano Olivetti,Donald C Parker,Lorenzo Comolli,Paolo R. Lazzarotti
Carlos.E,T.Olivetti,Don,L.Comolli,P.Lazzarotti
解説（安達）
オリンピカ（Nix Olympica;135W,+25)とエリシウム（Elysium；215W,+23)が白
く写るようになった。(reported by 5 observers)
Nix Olympica (135W,+25), Elysium (215W,+23) came to be reflected white.
。(reported by 5 observers)
FROM Makoto Adachi
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|
Carlos E. Hernandez (Drawing:9-inch (23-cm) F/13.5 Maksutov- Cassegrain) |
Seeing (1-10): 6-7,Antoniadi (I-V): II
Transparency (1-6): 5
Notes:
01:20 U.T. (Left image,CM 227.5*W,IL): The South Polar Region (SPR) appears obscured by a very bright
to extremely bright (8-9/10).
Mare Australe appears dusky to shaded (4-6/10) north of the haze. Electris,
Eridania,and Ausonia appear to be obscured by a bright to very bright (7-8/10) haze.
Mare Cimmerium appears dark to dusky (3-4/10) and mottled.
The northern border of Mare Cimmerium contains projections (Laestrygonum Sinus,Cyclopum Sinus,and
Cerberi Sinus,preceding to following).
"Valhalla" was visible north of Mare Cimmerium as a dusky (4/10) band. Hesperia appears as a bright
(7/10) diagonal strip between Mare Cimmerium and Mare Tyrrhenum.
Mare Tyrrhenum appears dark to shaded (partially obscured by a very bright (8/10) morning limb haze (MLH).
Zephyria,Aeolis,Aethiopis,and Aetheria appears bright (7/10). Amazonis and Arcadia appear dusky to
shaded (4-6/10) and mottled.
A very bright (8/10) orographic cloud is visible over Olympus Mons over the north-preceding (evening) limb.
Trivium Charontis,Phlegra,and Azania appear dark to dull (3-5/10).
The Propontis Complex (Propontis I and II,Castorius Lacus,and Euxinus Lacus) appears dark to dusky (3-4/10).
Elysium appears bright with a very bright (8/10) cloud over it's north-preceding sector.
Panchaia appears bright (7/10) and Lemuria (dusky (4/10). The Hyblaeus Extension appears dark to dull
(3-5/10) following Elysium. Syrtis Major appears to be obscured the very bright (8/10) MLH.
The North Polar Cap (NPC) appears brilliant (10/10) along the northern limb.
01:50 U.T. (Right image,CM 234.9*W,Wratten 38A (Blue) filter): Mare Cimmerium appears dusky (4/10).
The southern limb,preceding (evening) limb,northern limb,and following (morning) limb appear very bright
(8/10). A very bright (8/10) orographic cloud appear over Olympus Mons over the preceding limb.
A very bright (8/10) cloud appears over Elysium.
The best of luck in your own observations of Mars. Happy New Year!
[Carlos.E. Hernandez South Florida U.S.A ]
|
Tiziano Olivetti((275mm Newtonian) |
under good seeing condition.
［ティジャノ:オリベッティ タイ バンコク］
[Tiziano Olivetti : Bangkok Metropolis : Thailand]
|
Donald C Parker(16-in (41cm) Newtonian) |
[ Donald C Parker Coral Gables,Florida U.S.A]
|
Lorenzo Comolli(Newton 310mm) |
[Lorenzo Comolli:Tradate (VA,Italy)]
|
Paolo R. Lazzarotti (250mm Newton) |
On Dec. 28th I met my friend Nicola and we had a session on Mars with his own Orion 250mm newtonian featuring optics which left something to be desired.
Seeing mainly poor with a fair window lasted enough to grab the 3 RGB streams. The small image scale allowed a fast exposure (1/30th sec.) and a low noise (less than 10dB) to better freeze the turbulence. The Iris drizzle (2X) worked beatifully indeed! I didn't expect such a result!
But as always happens,the boring side is facing me whenever I grab Mars under acceptable conditions. So,the B image is much more interesting than R,you can see there the 3 lined up orographic clouds over vulcanoes and the isolated Olympus cloud on the right.
Also,notice the completely dissolved NPH making the thiny NP with its dark collar popping up nicely.
All for 2007,have a Great 2008!
[Paolo R. Lazzarotti : Massa-City,Italy]
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