λ=269°Ls, (ω=082°~ 114°W, φ=20°S), δ=21.5", ι=24°
Seeing fair (6-7 Pickering). Transparency 4m, haze.
Wind SSE 1-6 kts. Altitude = 40-48°. No dew.
Violet Clearing = 0 visually and on CCD images. Some SPC rifts detected. Increase in clouds: Localized cloud over Tharsis, brightened as planet rotated. Prominent AM cloud over Amazonis with finger-like streaks extending southeast into Memnonia.
NOTE: Large anomalous dark feature seen in blue and green light , centered near 10°N, 165°W.
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) : 0.12-0.15s 2 images (RG610, NO IR ejection)
Green (488 - 574nm) : 0.38-0.40s 5-9 images
Blue (392 - 508nm) : 1.40-1.50s 7-10 images
Images bias, flat and dark corrected.
Observer: Donald C PARKER, Coral Gables, FL. USA