λ=322°Ls, ( ω=127°, 134°W, φ=17°S ), δ=19.6", ι=03°
Instrument: 9" F/13.5 Maksutov-Cassegrain
Magnification: 248×, 298×, and 388×
Filters (Wratten): 30 and 38A
S (1-10): 5-6 (periods of 7), Antoniadi (I-V): III
Transparency (1-6): 5
Notes:
Left Image
00:45 U.T. (CM 126.5, IL/W30): The South Polar Cap (SPC)
was brilliant and very small. Mare Austale was dusky to dull (4-5/10)
and mottled. Solis Lacus appeared dark to dusky (3-4/10) over the
south-preceding limb. Nectar appeared broad and dusky (4/10). Ambrosia
(5/10) and Bathys (5/10) were noted to project from the southern border
of Solis Lacus. Geryon (5/10) and Calydon (5/10) were noted to project
from it's northern border. Aonius Sinus appeared dusky (4/10) with
Phasis (5/10) projecting from it's northern border. Daedalia,
Phaethontis, and Electris appeared bright (7/10). Mare Sirenum appeared
dark to dusky (3-4/10) and mottled following the CM (Caralis Fons
(4/10) was noted along it's southern border). Mare Cimmerium was dark
to dusky (3-4/10) following Mare Sirenum towards the following limb.
Memnonia and Zephyria appeared bright to very bright (7-8/10) north of
Mare Sirenum. Tithonius Lacus was visible as a dark to dusky (3-4/10)
wedge towards the preceding limb surrounded by a very bright to
extremely bright (8-9/10) cloud projecting from the extremely bright
(9/10) evening limb haze (ELH). Tharsis and Amazonis appeared bright
(7/10). Tempe and Arcadia appeared dull to shaded (5-6/10). Olympus
Mons appeared as a bright (7/10) circular albedo feature over Tharsis
following the CM. Phlegra appeared as a dusky (4/10) "sliver" towards
the following limb. An extremely bright (9/10) morning limb haze (MLH)
and North Polar Haze (NPH) were noted as well.
Right image 01:15 U.T. (CM 133.8, W38A): A bright to very bright (7-8/10) cloud was noted to project from the preceding limb over Tharsis , Daedalia, Memnonia, and Zephyria on the following limb (cloud band?). Solis Lacus, Mare Sirenum and Mare Cimmerium appeared dull (5/10). Extremely bright (9/10) evening limb haze (LH), morning limb haze (MLH), and North Polar Haze (NPH) were noted as well. A very bright (8/10) projection (cloud) from the NPH was noted over Tempe-Arcadia.
Observer: Carlos E HERNANDEZ, Miami FL