λ=226°Ls, (ω=066°, 070°W, φ=20°S), δ=20.4", ι (phase angle)=29°
Seeing good (8, Pickering). Transparency 4.5-5.0 m. No wind. Light dew. Altitude = 51°.
SPC mottled and has irregular edge in red light. NP Hood bright. Minimal Cloud activity. Violet Clearing = 0.
Small, dark nucleii in Solis Lacus. Numerous "canals" in Thaumasia also breaking up into dark nucleii.
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) : 0.12s 1 image (RG610, NO IR ejection)
Green (488 - 574nm) : 0.32s 9 images
Blue (392 - 508nm) : 0.99s 7-10 images
Images bias, flat and dark corrected.
Observer: Donald C PARKER, Coral Gables, FL. USA