2003 1221 DPk Note
Don PARKER's Images on 21 December 2003
at 00:24~ 01:56 GMT

  λ=320°Ls,   (ω=337°~ 359°W,   φ=26°S),   δ=9.2",   ι=42°

Seeing poor, (2-3 Pickering); post cold front . Transparency = 5m .
Wind N 3-5 kts. Altitude = 62-48°. No dew.

Dust appears limited to the Hellas region, with small clouds obscuring Hellespontus-Yaonis. Streak still covering Noachis. NP Hood very weak. Hint of Blue Syrtis Cloud on PM limb.
Seeing poor.

PARKER uses a 41 cm Newtonian working at f /59 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) : 0.15-0.17s   1-2 images   (RG610, NO IR ejection)
  Green  (488 -  574nm)  : 0.65-0.62s   2-4 images
  Blue     (392 -  508nm)  : 2.70-2.80s   5-6 images
Images bias, flat and dark corrected.

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

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