From
P
Clay SHERROD
® . . . . . . . .Date:
Subject: ASO Mars,
reddish cloud features Aug. 10
Please find attached our only image of Mars from Aug. 10 as
clouds moved in; note the reddish cloud features that appear in the Zephyria region and northward into the Elysium plains. Also possible yellow dust clouds developing
again within Mare Tyrrhenum.
® . .
. . . . . .Date:
Subject: ASO
Mars/reddish clouds, August 11
Mars on Aug. 11 prior to heavy
clouds; very nice detail including more of the reddish clouds in the Zephyria regions and northward.
® . .
. . . . . .Date:
Subject: Mars, Aug.
12 - Increasing NP hood
Three images of Mars from this
morning; not particularly good seeing with fog, but some very nice detail
emerging, particularly in the 0727 UT image. The north
polar hood is becoming dramatically brighter and increasing in coverage, just
within the past few days.
® . .
. . . . . Date: Thu,
Subject: ASO Mars on
14 August,
A rather interesting image tonight through very dense fog;
the RED image (B & W) shows the towering Olympus Mons on visible against
the dark western terminator, clearly protruding upward against darkness. In
addition, note on the full color image the bright blue-white clouds on the
western terminator.
® . .
. . . . . .Sent:
Subject: ALERT: Very bright Tharsis
region cloud
A very bright and fairly large cloud is centered near Long. 138 deg., Lat. 90 degrees this morning. We have imaged this cloud very well and will
distribute this shortly; however, any observers at locations where this can be
imaged at this time, should attempt to do so; at present it is far west of the
CM so time will be short. The cloud
seems to be associated with the Phoenicis Lacus feature and is quite irregular
in shape. Color is blue-white.
® . .
. . . . . Date:
Subject: Bright blue cloud over Tharsis
A very bright and beautiful blue cloud(s) has appeared over
the Tharsis region, notably at about the location of the feature Phoenicis
Lacus; it is shown very well as the bluish feature in the attached ASO image
taken this morning (August
15, 05:27 UT). Note the
pronounced brightness of this feature in BLUE light (left), compared to its relatively
obscure nature in RED (center).
® . .
. . . . . Date:
Subject: Mars,
August 15, Blue clouds, excellent seeing
Perhaps our steadiest image yet, showing the nice bright
blue cloud over the western terminator and the Tharsis volcanoes quite well.
® . .
. . . . . Date:
Subject: ASO - Mars
under steady skies, Aug. 15
Two more images from this morning (Aug. 15) under very
steady skies showing some very fine low contrast detail and cloud features .....
® . .
. . . . . Date: Sat,
Subject: ASO,
August 16 - cloud over
Two images from this morning, with the later of the two
being packed with nice low contrast detail; the bright blue cloud
over
® . .
. . . . . Date: Sat,
Subject: ASO Mars,
final image, Aug. 16
Our final Mars for August 16 with seeing conditions
deteriorating; nonetheless much nice low contrast detail visible in
® . .
. . . . . Date:
Subject: Mars headlines - circa 1900
This should make us all appreciate this current apparition
just a bit more!
Enjoy!
® . .
. . . . . Date:
Subject: Mars and
Bright Cloud, Aug. 18
Fairly poor conditions tonight with unsteady air;
nonetheless our bright cloud continues in intensity and appears to be
encompassing volcanic peaks (
® . .
. . . . . Date: Thu,
Subject: Re: mars image
Absolutely beautiful....I think that we are now seeing what
little residual water ice that is left on the SPC in this and others'
images. The sudden demarcation of these
SPC features suggests that the temperatures reached upon Mars approach to the
sun have now sublimated most of the carbon dioxide ice; this is also supported by the fact that there
is a considerable veil of blue haze over the south cap, seen along terminators
in the southern hemisphere and above the north polar hood....
These blue haze areas very likely can be water moisture that
is now beginning to slowly evaporate from the exposure to solar radiation,
hitherto blocked from the dry ice capping.
Images from many people are now beginning to show considerable high
level blue clouds and lower cloud development throughout mountainous regions.
----- Original Message -----
From: "Tan
Wei Leong" <webmaster@tasos.org.sg>
Sent:
Subject: mars image
20th August 2003
> Dear everyone,
>
> Attached is my mars images
from
> image
since my
up.
>
> Wei
Leong
>
® . .
. . . . . Date: Sat,
Subject: ASO Mars on
23 August / Solis Lacus in steady skies
Mars (August 23), two images taken about one hour apart, showing
the Solis Lacus region. Very steady
seeing with incoming lightening and thunderstorms; note inset in special enhanced green imagery,
showing considerable terrain below the thinning polar South Polar Cap (SPC);
small cloud in round Solis Lacus maria has now moved
slightly eastward (toward fol. limb) since previous day. Very vague and small
cloud over Mare Sirenum is still seen and appears to be stationary.
®. .
. . . . . . .Date:
Subject: ASO Mars,
August 24
Mars in fairly steady skies and
very heavy air, for a brief moment before thick clouds.
Note the re-emergence of some detail within the North Polar Region/NP Hood.
There is a distinct location of intense luminescence, perhaps the re-emergence
of the northern cap as Mars' northern hemisphere approaches winter. Some very small clouds within the northern regions of Solis Lacus,
these being the only features to be revealed in the blue light image.
Some very thin high blue clouds are revealed on the Pr. terminator
(left)
For
those not having an image attached, they can be found for this and any date by
going to the ASO homepage
http://www.arksky.org/
and clicking on "Planetary
Patrol" and accessing any date (always remember to enter UT dates!).
A
direct link to this page and image is found at (careful on the line wrap!!)
http://www.arksky.org/cgi-bin/asoimglog.pl?selobject=Mars&selmonthb=8&seldayb=24&selyearb=2003&selmonthe=8&seldaye=24&selyeare=2003
Dr Clay SHERROD (
Harvard/MPC
H43 (
Harvard/MPC
H41 (Petit
