2003 0613 DPk Note
Don PARKER's Images on 13 June 2003
at 08:41~09:12 GMT

  λ=202°Ls,   (ω=075°, 083°W,   φ=21°S),   δ=14.0",   ι (phase angle)=41°

Seeing good (7, Pickering) but gusty wind, ESE 5-15 kts. Transparency 5m.
No dew. Altitude = 45-47°.

Again, western SPC brighter in all colors. Np Hood conspicuous.
Thin AM limb arc. Localized PM clouds over Chryse-Xanthe, Candor, Erythraeum, and Argyre. Clouds throughout Tharsis and forming pre-noon over volcanoes.
Western Solis Lacus half-tone. Tithonius complex appears normal.
Nectar, Bathys, Acampsis, Daemon, Ganges and Araxes visible.
No violet clearing on images or visually.

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   1-3 images   (RG610, NO IR Rejection)
  Green   (488 - 574nm) : 0.33s    8-12 images
  Blue      (392 - 508nm) : 1.00s   9-10 images
Images bias, flat and dark corrected.

Observer: Donald C PARKER, Coral Gables,  FL.  USA

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