2003 0825 DPk Note
Don PARKER's Images on 25 August 2003
at 04:12~ 05:11 GMT

  λ=248°Ls,   (ω=058°~ 069°W,   φ=19°S),   δ=25.1",   ι=6°

Seeing poor to fair (4-5 Pickering), image excursion. Transparency 3.5-4.5 m.
Wind E 4-13 kts.. Altitude =43-47°. No dew.

Increased cloud activity along S. edge of NP Hood. A few AM limb clouds and faint clouds in Tharsis. Violet Clearing strong (2+) on CCD, 1+ 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) : 0.11-0.16s   1 image   (RG610, NO IR ejection)
  Green   (488 - 574nm) :  0.32s   7-10 images
  Blue      (392 - 508nm) : 1.00s   10-12 images
Images bias, flat and dark corrected.

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

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