2003 0813 DPk Note
Don PARKER's Images on 13 August 2003
at 05:48~ 06:57 GMT

  λ=240°Ls,   (ω=190°~ 204°W,   φ=19°S),   δ=24.2",   ι=14°

Seeing fair (7 Pickering). Transparency 0-4 m with haze, freq fast cumulus.
High winds NE-ENE 4-16 kts. Pre tropical depression. Altitude =47-50°.

SPC details visible: Thyles Mons separating. Ulyxis Fr., Magma Dep. visible.
Prominent NP Hood. Small, bright orographics over Arsia and Olympus Montes.
Faint localized clouds over Ausonia near AM limb. Cerberus-Trivium remains weak. No Elysium clouds in blue light -- a few light patches in red.

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) : 0.13s   1 image   (RG610, NO IR ejection)
  Green   (488 - 574nm) :  0.35s   8-11 images
  Blue      (392 - 508nm) : 1.15s   8-12 images
Images bias, flat and dark corrected.

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

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