2003 03 29 DPk Note
Don PARKER's Images on 29 March 2003 at 09:19 & 10:40 GMT

  λ=160°Ls,   (ω=099°W & 118°W,   φ=10°S),   δ=7.4",   ι (phase angle)=41°

Seeing poor (4, Pickering) initially, but improved (8) as altitude increased.
Transparency 3.5-4.0m. Wind W, 0-6kts. Heavy dew. Altitude = 27-37°.

SPH conspicuous, bright in blue. Cloud over PM limb (Candor).
Solis Lacus very dark on PM limb. Daedalia-Claritas dusky but unable to tell if a significant darkening remains from 2002.
Sirenum M very dark with Gorgonum S and Titanum S 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 15-22 images
  Red      (612 - 670nm) : 0.56s   3-5 images
  Green   (488 - 574nm) : 0.88s   6-9 images
  Blue      (392 - 508nm) : 3.50s   9-22 images
Images biased, flat and dark corrected.

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

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