From
Donald C PARKER
@. . . . . . . . .
Here are some belated images from last week. Best,
(
>MARS IMAGES 24-25 SEPTEMBER, 2001
>
>D.C. Parker,
> Eyepiece Projection @ f/44.2
> Integration Times:
> BLUE (Koheisha, 445nm peak central; BWHM
105nm) 2.34s
> GREEN (Koheisha, 540nm peak central; BWHM
75nm) 0.72s
> RED (RG610 - No IR Rejection) 0.18s
> Images flat and dark
corrected.
>Seeing fair
(4-6,
>wind gusty,
South 1-9 kts. Altitude = 38 degrees. No dew.
>
>detail visible
on
>than in the
past two months. Syrtis Major thin, with Moeris Lacus and
>Nymphaeum Pr.
both prominent. Tyrhennum M. and Syrtis Minor very dark.
>E. limb haze
persists; NP Hood largely absent. SPC small bright, both
>visually and on
CCD images.
>
@ . . . . . . .
Here are some Mars images from 6 October. Best,
(
>MARS IMAGES 6 OCTOBER, 2001
>
>D.C. Parker,
> Eyepiece Projection @ f/44.2
> Integration Times:
> BLUE (Koheisha, 445nm peak central; BWHM
105nm) 2.50s
> GREEN (Koheisha, 540nm peak central; BWHM
75nm) 0.76s
> RED (RG610 - No IR Rejection) 0.16s
> INFRARED (750-825nm)
> Images flat and dark
corrected.
>Seeing fair to
good (6-7,
>fast moving
cumulus clouds. Wind gusty, E 0-9 kts. Altitude = 38-37 degrees.
>No dew.
>Albedo features
more distinct: Sirenum, Cimmerium maria mod. dark. Note that
>Mare Chromium
as well as Simois and Scamander visible. Hesperus seen near
>terminator.
Trivium and Propontis I faintly visible. Note dark streak along
>N. border of
Sirenum and Cimmerium as seen near quadrate in previous
>apparitions.
>SPC distinct. Prominent
PM limb haze persists.
>
@ . . . . . . .
Here are some Mars images from 7 October. Best,
(
>MARS IMAGES 7 OCTOBER, 2001
>
>D.C. Parker,
> Eyepiece Projection @ f/44.2
> Integration Times:
> BLUE (Koheisha, 445nm peak central; BWHM
105nm) 2.68s
> GREEN (Koheisha, 540nm peak central; BWHM
75nm) 0.86s
> RED (RG610 - No IR Rejection) 0.19s
>
> Images flat and dark
corrected.
>Seeing fair
(4-5,
>high haze. Wind
ESE 0-4 kts. Altitude = 38-37 degrees. No dew.
>
>Albedo features
more distinct: Sirenum, Cimmerium maria mod. dark. Note that
>Mare Chromium
as well as Simois and Scamander visible. Note dark streak along
>N. border of
Sirenum and Cimmerium as seen near quadrate in previous
>apparitions.
>SPC distinct.
Prominent PM limb haze persists with Olympus Mons possibly
>visible near NE
limb.
>
@ . . . . . . .
Date: Thu,
From: Donald Parker
<dparker@netside.net>
To:
vzv03210@nifty.ne.jp, cmo@mars.dti.ne.jp, haasw@zianet.com,kmdobbins@coshocton.com,
mdisciu@bellsouth.net, mgaskell1@unl.edu,
weileong@singnet.com.sg,
faworski@yahoo.com,
Schmude@Falcon.gdn.peachnet.edu,
jedidan@earthlink.net,dtroiani@triton.cc.il.us, 71510.1220@compuserve.com,
jeffbeish@htn.net,
timothy.j.parker@jpl.nasa.gov,
rhill@lpl.arizona.edu
Subject:
Mars dust
Hi All,
Jim Bell and others are giving a press
conference on the Mars dust storm tomorrow, 11 Oct at
http://www.broadcast.com/events/nasa/
Best,
(
@ . . . . . . .
Here are some Mars images from last week. Sorry for the delay.
Note the "new" dark albedo feature
in the Claritas Fossae. Best,
(
>MARS IMAGES 14 OCTOBER, 2001
>
>D.C. Parker,
> Eyepiece Projection @ f/44.2
> Integration Times:
> BLUE (Koheisha, 445nm peak central; BWHM
105nm) 2.64s
> GREEN (Koheisha, 540nm peak central; BWHM
75nm) 0.88s
> RED (RG610 - No IR Rejection) 0.21s
>
>Images flat and
dark corrected. Color processing by Sheldon Faworski,
>
>
>Seeing
fair,variable (5-6,
>frequent
clouds. However, wind ESE 2-13 kts, gusty. Altitude = 38-35 degrees.
>No dew.
>
>NOTE:
"New" very dark albedo feature in Daedalia-Claritas..reminiscent of
>Phasis and
>Solis Lacus
small, dark. Noctis L., Ambrosia, and Acampsis faintly visible.
>Sirenum M. only
moderately dark and extended eastward.
Tharsis volcanoes
>again distinct.
Olympus Mons visible near NW limb.
>SPC distinct,
bright. Prominent PM limb haze persists with Argyre very bright
>on SE limb.
Don PARKER (
dparker@netside.net
