λ=153°Ls, φ=6°S, δ=6.8", ι (phase angle)=40°
Seeing 4, Pickering. Transparency 3.5 -4.0m. No wind. Light dew. Altitude = 30 -32°.
SPH conspicuous, bright in blue. Hyblaeus Extension very broad, dark.
Alcyonius detected near NW limb with ? Eunosos II faintly seen.
Cerberus remains weak. Hesperia, Gomer S. and possibly Cyclops visible.
No significant orographics over Elysium, but seeing and small apparent diameter made blue-light images difficult.
PARKER uses a 41 cm Newtonian working at f/72 with an eyepiece projection. SBIG ST9XE ccd camera is used, equipped with a CFW-8C filter wheel and RGB interference filters as well as a luminance red Schott filter.
RG610 (610 -1100nm): 0.25s 25 images
Red (612 - 670nm) : 0.56s 4 images
Green (488 - 574nm) : 0.88s 4 images
Blue (392 - 508nm) : 3.50s 8 images
Images biased, flat and dark corrected.
Observer: Donald C PARKER, Coral Gables, FL. USA