From
P
Clay SHERROD
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Subject: Re: Mars images, July 28th.
Very nice as always Damian....I note that from yours and
others' images of late, particularly at this longitude, we are seeing very
advanced sublimation of the SPC in some areas, showing notably well on your
image on the pr. side of the cap. The delineation of subtle maria contrasts in the southern hemisphere is very
striking in this image, particularly around and very near (north of....) the
SPC melt line.
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. . . . . .Date:
Subject: Mars, July
28 and very light yellow cloud activity near CM 0
Mars on the morning of July 28
with unsteady skies and intermittent clouds. There are very
small areas which appear perhaps brightened by thin yellow clouds:
Images were obtained via 1600 (each) 1/33nd
sec. images, Toucam Pro with
double IR
block, 0.41m SCT at f/35.
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. . . . . .Date:
Subject: Mars in steady air....ASO,
July 28
Last image from July 28 under increasingly steady air;
considerable low contrast and fine detail emerging in the Mare Erythraeum area
and a very bright (more so than normal it seems) Margaritifer Sinus.
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Subject: Mars and reddish low-level
clouds (?)
I inadvertently did not send the posting of our latest Mars
image from the morning of July 28 to the Mars observers group. It is a fairly
detailed image under steadier skies than usual and shows considerable low
contrast detail as well as some curious reddish clouds (not processing
artifacts....these are on several images at these Martian locations) near the
CM in the better image from this date.
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. . . . . .Date:
Subject: Re: [marsobservers]
Mars Observation
Hello Ed
Without a doubt one of your best Mars images; the clouds you
refer to are extraordinary quite rapidly-developing. Your last image does indeed show these
clouds, albeit not with the intensity nor density
shown here. The previous image in my opinion was over-processed compared to
your normal work and I think that this somehow masked the appearance of these
clouds greatly.
Nonetheless, you had them on your last image as
well....thinned and less spawned, but they are evident.
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Subject: ASO Adds New Observatory
Just a quick note to say that the new Cascade Mountain ASO
is now in full swing and has earned the Harvard/MPC ObsCode
designation H44; Brian will be concentrating mostly on cataclysmic variables,
asteroids and NEO's as well as planetary imaging with
a robotic 0.40m Newtonian from the hills of North Central Arkansas.
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. . . . . .Date: Thu,
Subject: Mars and
expansion of yellow cloud activity
Mars imaged through forest fire smoke and unsteady skies,
but with some nice detail of cloud development in and around Margaritifer Sinus
and Mare Erythraeum.
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Subject: Re: Mars Images
Nice work Don....this was a very interesting learning
experience to see these images. So you think the prism actually helped in your
case?
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. . . . . Date: Sat,
Subject: ASO Mars,
August 1
Mars from this morning between
two major storm cells over
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. . . . . . Date:
Subject: Mars,
Syrtis Major region, Aug. 4, 2003
Mars showing the Syrtis region; skies as has been
unfortunately typical this year, were quite
unsteady.
16" Meade @ f/35, 1050 images, Registax
and Toucam, double IR block.
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Subject: Mars Aug.
6, 2003 - Wispy clouds over Syrtis
Mars in poor conditions, but showing some possible wispy
bluish clouds over Syrtis at this time....
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Subject: Re: Mars Aug 5th
Very fine image, Brian...this might be one of your best thus
far.
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. . . . . .Date: Thu,
Subject: High clouds
over Mars, Aug. 7
Our best image of Mars yet this apparition, taken under
fairly steady skies and fog; note the high clouds west and north of the SPC;
much wispy high blue clouds are noted on the western (celestial) limb of the
planet. Also note the fairly dense
white-blue cloud immediately W. of the SPC. A distinct "ring" within
the SPC is now beginning to appear from sublimation.
® . .
. . . . . .Date: Thu,
Subject: Mars, Nice detail in steady
skies....
Another Mars image from Aug. 7, taken under fairly steady
skies and fog; note the high clouds west and north of the SPC; much wispy high
blue clouds are noted on the western (celestial) limb of the planet. Also note
the fairly dense white-blue cloud immediately W. of the SPC. A distinct
"ring" within the SPC is now beginning to appear from sublimation.
This image was taken shortly prior to the last one posted.
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. . . . . .Date: Thu,
Subject: ASO's
Best Mars so far....finally
Finally things are looking up a bit in the seeing
department....
ASO's
BEST MARS OF 2003
Taken with the Petit Jean
Mountain 16" Meade @ f/35, Toucam Pro and 1,000 images over 35 seconds. Registax processing, NO color nor
post-processing....what you see is what it was.
Very nice cloud detail visible
in this image of Mars taken under very steady skies with heavy fog in south. Note the clouds W. of the SPC as well as on
the western limb. Much fine detail visible in the Syrtis
regions but also within the red plains as well.
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. . . . . .Date:
Subject: Mars,
August 8, 2003
Mars in fairly steady skies; note the inset of the SPC
showing a ring of melting/sublimation. Some yellow cloud activity noted as well
as continued blue-white clouds on western limb near the SPC.
® . .
. . . . . .Date: Sat,
Subject: ASO Mars
August 9, 2003
Mars imaged in poor conditions; some high clouds are evident
in the earlier (0705 UT) images in high northern latitudes, notably near N.
Alcyonius and the dark Hyblaeus Extension.
Note also on the 0705 image the appearance of a notched
perimeter of the SPC (see inset).
Dr Clay SHERROD (
Harvard/MPC
H43 (
Harvard/MPC
H41 (Petit
