2003 05 20 DPk Note
Don PARKER's Images on 20 May 2003
at 08:57~10:04 GMT

  λ=188°Ls,   (ω=310° ~ 327°W,   φ=19°S),   δ=11.2",   ι (phase angle)=43°

Seeing good (8, Pickering) but high NE wind, 5-12 kts. Transparency 3-5m with frequent cumulus.
No dew. Altitude = 39-45°.

SPC brilliant with Rima Australe prominent. NPH visible. Thin AM limb arc. Dull cloud over Libya.
Localized cloud over Syrtis Major, rotates with planet. N. Hellas bright in red light.
Strong Violet Clearing. Pandorae Fr. very weak; Serpentis and Yaonis very dark.

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   4-37 images   (RG610, NO IR Rejection)
  Green   (488 - 574nm) : 0.33s    4-8 images
  Blue      (392 - 508nm) : 1.70s   4-12 images
Images bias, flat and dark corrected.

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

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