λ=198°Ls, (ω=163°~ 170°W, φ=20°S), δ=13.0", ι (phase angle)=42°
Seeing good (6-8, Pickering). S wind 0-5 kts. Transparency 5m.
No dew. Altitude = 46-48°.
Note:
SPC rifts visible: Ulyxis Fr., Rima Angusta, Dep. Magna, Thyle II visible on NW cap edge. Bright spot on northern
edge of SPC near CM. No Violet Clearing. Thin NP Hood; thin AM limb arc. Tharsis orographics on terminator.
Trivium-Cerberus still weak -- only two dots.
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
Integration times:
Red (610 -1100nm) : 0.11s 30-39 images (RG610, NO IR Rejection)
Green (488 - 574nm) : 0.36s 9-12 images
Blue (392 - 508nm) : 1.10s 11-15 images
Images bias, flat and dark corrected.
Observer: Donald C PARKER, Coral Gables, FL. USA