2003 04 11 DPk Note
Don PARKER's Images on 11 April 2003 at 09:48 & 10:31 GMT

  λ=167°Ls,   (ω=340°W & 351°W,   φ=10°S),   δ=8.1",   ι (phase angle)=42°

Seeing poor to fair (4-6, Pickering). Post cold front. Transparency 5m.
Wind W, 0-1 kts. Heavy dew. Altitude = 34-39 °.

SPH conspicuous, bright in blue. NPc tiny, seen on 10:31 UT image.
Bright localized AM cloud over Chryse, rotates with planet.
Deucalionis broad, light. Noachis broad, dark. Serpentis prominent.
Oxia Palus, Dargamanes prominent. Iani Fretum visible.

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 14-24 images
  Red      (612 - 670nm) : 0.37s   1 image
  Green   (488 - 574nm) : 0.56s   1 image
  Blue      (392 - 508nm) : 2.00s   1 image
Images bias, flat and dark corrected.

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

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