2003 0719 DPk Note
Don PARKER's Images on 19 July 2003
at 07:39~ 07:59 GMT

  λ=224°Ls,   (ω=081°, 085°W,   φ=21°S),   δ=20.0",   ι (phase angle)=30°

Seeing fair (6, Pickering), with occasional moments of excellence. Transparency 5.0 m with occ clouds.
Wind ESE 0-6 kts. No dew. Altitude = 50-51°.

SPC becoming mottled, irregular. Minimal clouds. Violet Clearing = 1+
Solis Lacus remains elongated N-S. Small spot on its southern tip -- bright in red -- dust?

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 image   (RG610, NO IR ejection)
  Green   (488 - 574nm) :  0.32-0.33s   7-10 images
  Blue      (392 - 508nm) : 0.95s   9 images
Images bias, flat and dark corrected.

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

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