λ=342°Ls,  ( ω=166°W,   φ=20°S ),   δ=14.2",   ι=28°

Instrument: 10-inch (25-cm) F/9 Newtonian (Palermiti Observatory)
Magnification: 320×
Filters: Klee OPS Barlow (employs a filter layer within the lens)
S (1-10): 5-6, Antoniadi (I-V): III
Transparency (1-6): 1 (visible through holes in the clouds)

Notes:
01:00 U.T. (CM 166.5): The South Polar Cap (SPC) was not visible at this time (SPR haze?). Mare Chronium appeared dusky (4/10) on the CM. Mare Sirenum appeared dark to dusky (3-4/10) preceding the CM. Mare Cimmerium appeared dark to dusky (3-4/10) following the CM. Electris and Eridania appeared bright (7/10) with thin, dull (5/10) streaks across projecting from Mare Sirenum and Mare Cimmerium. Memnonia, Zephyria, Aeolis, and Aethiopis appeared bright (7/10). The Propontis Complex appeared dusky (4/10) adjacent to the extremely bright (9/10) North Polar Region (Hood) preceding the CM. Phlegra appeared dark to dusky (3-4/10) following the CM towards the North-following limb. Extremely bright (9/10) morning limb haze (MLH), evening limb haze (ELH), and South Polar Region (SPR) were noted as well.

Observer:   Carlos E HERNANDEZ,   Miami   FL