λ=160°Ls, (ω=111°W, φ=10°S), δ=7.4", ι (phase angle)=41°
Seeing good (6-8, Pickering). Transparency 3.5m with frequent clouds. Wind W, 0-4kts. Heavy dew. Altitude = 38°.
Note:
SPH conspicuous, bright in blue. PM cloud over Candor. Solis Lacus very dark near
PM limb. Sirenum M. very dark. Aonius S. and Phaethontis dark and appears to be
confluent with the eastern end of Sirenum M. Numerous "canals" detected in the
Solis Planitia: Bathys; Acampsis; Phasis/Gallineria Silva; Eumenides, Eosphoros,
and Tithonius.
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 as well as a luminance Red RG610 Schott filter.
Integration times:
RG610 (610 -1100nm): 0.14s 15 images
Red (612 - 670nm) : 0.37s 1 image
Green (488 - 574nm) : 0.60s 5 images
Blue (392 - 508nm) : 2.00s 16 images
Images biased, flat and dark corrected.
Observer: Donald C PARKER, Coral Gables, FL. USA