From Don
PARKER
@. .
. . . . Here
are some more Mars images. Trivium-Cerberus may have
darkened somewhat since the last apparition.
Sorry I misdated the titles of
last images (with "2000-" instead of "2001-"). Another "senior moment!"
Best,
(
@. . . . . . Here are some belated Mars images from 16 Jan. Poor seeing.
Best,
(
@. . . . . . Here are some more images.
Nothing unusual but lots of clouds!
Best,
(
@. . . . . . Here are some Mars images
from this morning. Happy Valentines Day!
Best,
(
D.C. Parker,
Eyepiece Projection @ f/55.2
Integration Times:
BLUE (Koh-eisha,
445nm peak central; BWHM 105nm) 7.20s
GREEN (Koh-eisha,
540nm peak central; BWHM 75nm) 2.80s
RED (RG610 - No IR Rejection) 0.72s
Images flat and dark
corrected.
Seeing poor (3-4) but occasionally fairly good. Transparency
4.5m.
No
Wind. Altitude = 40-44 degrees. Heavy dew. Blue and
Green images
are composites.
Very bright morning limb cloud. Some cloud noted over
D.C. Parker,
Eyepiece Projection @ f/55.2
Integration Times:
BLUE (Koh-eisha,
445nm peak central; BWHM 105nm) 8.60s
GREEN (Koh-eisha,
540nm peak central; BWHM 75nm) 3.40s
RED (RG610 - No IR Rejection) 0.68s
Images flat and dark corrected.
Seeing fair (5-6). Transparency variable (2-4.5m) due to frequent alto
cirrus. Wind ENE 0-5 kts.
Altitude = 44 degrees. No dew. All images are composites.
Trivium-Cerebrus and Propontis-I dark.
D.C. Parker,
Eyepiece Projection @ f/55.2
Integration Times:
BLUE (Koh-eisha,
445nm peak central; BWHM 105nm) 7.20s
GREEN (Koh-eisha,
540nm peak central; BWHM 75nm) 2.80s
RED (RG610 - No IR Rejection) 0.68s
Images flat and dark corrected.
Seeing
fair (5-6), improving later with fog. Transparency 4.0m.
No wind. Altitude = 34-45 degrees. No dew. All images are composites.
Propontis-I and Hades
I - Phlegra dark on morning limb.
D.C. Parker,
Eyepiece Projection @ f/55.2
Integration Times:
BLUE (Koh-eisha,
445nm peak central; BWHM 105nm) 6.80s
GREEN (Koh-eisha,
540nm peak central; BWHM 75nm) 2.68s
RED (RG610 - No IR Rejection) 0.60s
Images flat and dark
corrected.
Seeing fair to good (7,
frequent fast cumulus. Wind E 0-14 kts, gusty. Altitude
= 44-45 degrees. No dew. All images are composites.
Solis Lacus - Tithonius complex appears normal
for season. Tiny NPC remnant detected visually. Bright morning limb cloud/haze
confluent with band cloud from Tharsis-Candor across
D.C. Parker,
Eyepiece Projection @ f/55.2
Integration Times:
BLUE (Koh-eisha,
445nm peak central; BWHM 105nm) 7.20s
GREEN (Koh-eisha,
540nm peak central; BWHM 75nm) 3.00s
RED (RG610 - No IR Rejection) 0.78s
Images flat and dark
corrected.
Seeing
fair (5-6,
Bright morning limb cloud. Chryse
covered with clouds. Light cloud over Moab. Some arctic clouds/hazes.
Don PARKER (Miami, FL, USA )
dparker@netside.net