λ=215°Ls, (ω=244°~ 254°W, φ=21°S), δ=17.3", ι (phase angle)=36°
Seeing fair (6-7, Pickering). Transparency variable (0-4.5 m) with frequent fast cumulus clouds.
Wind gusty, NE 2-15 kts. No dew. Altitude = 51-50°.
Dust cloud still expanding, becoming regional. Main cloud brilliant and expanding into Ausonia Borealis. Fingers of dust extending north into Tyrrhenum and Crocea.
Two new foci at eastern tip of Tyrrhenum. Dust streaks running N-S in Ausonia. Dust in Hesperia. Dust clouds in Hellespontus on AM limb. Aeria very bright, giving the AM limb a yellowish cast. Clouds very bright in green and even in blue, suggesting significant height and energy.
Violet clearing onlt 1+ with some anomalous dark features. Haze causing reduced contrast in the albedo features
PARKER uses a 41 cm Newtonian working at f/55 with an eyepiece projection together with an SBIG ST9XE ccd camera, equipped with a CFW-8C filter wheel and RGB interference filters
Red (610 -1100nm) : 0.14-0.16 1-4 images (RG610, NO IR Rejection)
Green (488 - 574nm) : 0.40s 6-8 images
Blue (392 - 508nm) : 1.15s 6-8 images
Images bias, flat and dark corrected.
Observer: Donald C PARKER, Coral Gables, FL. USA