2003 1004 DPk Note
Don PARKER's Images on 4 October 2003
at 01:20~ 05:35 GMT

  λ=273°Ls,   (ω=017°~ 077°W,   φ=21°S),   δ=20.1",   ι=28°

Poor conditions:
Seeing fair (4-6 Pickering). Transparency variable and poor (0- 4m) dur to fast cumulus and stratus clouds.
Wind NNE 2-16 kts. Altitude = 44-48-33°. No dew.

NP Hood conspicuous; thick clouds over Acidalium M. AM limb clouds. PM limb haze. Anomalous dark features in blue light seen north of Solis Lacus and in eastern Memnonia.

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) :   0.14-0.25s   1-4 images   (RG610, NO IR ejection)
  Green   (488 - 574nm) :    0.38-0.70s   3-7 images
  Blue      (392 - 508nm) :   1.40-2.50s   2-14 images
Images bias, flat and dark corrected.

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

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