λ=218°Ls, (ω=197°~ 202°W, φ=21°S), δ=17.9", ι (phase angle)=35°
Seeing good (7-8, Pickering). Transparency variable (0-4.0 m) with frequent fast cumulus clouds.
Wind ENE 2-10 kts. No dew. Altitude = 51°.
Note:
Dust in Ausonia, Eridania. Bright AM limb arc. SPC edge irregular, outliers beginning to separate.
Trivium-Cerberus remains weak -- only 2 dots. Elysium light in red, not B or G. Violet Clearing = 0-1+
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) : 0.19s 1-2 images (RG610, NO IR ejection)
Green (488 - 574nm) : 0.42-0.49s 6-8 images
Blue (392 - 508nm) : 1.60s 5-7 images
Images bias, flat and dark corrected.
Observer: Donald C PARKER, Coral Gables, FL. USA