2003 1225 DPk Note
Don PARKER's Images on 25 December 2003
at 00:21~ 00:47 GMT

  λ=322°Ls,   (ω=300°, 304°W,   φ=26°S),   δ=8.9",   ι=42°

Seeing poor, (3-4 Pickering); pre cold front . Transparency = 4m .
Wind SW-W 2-7 kts. Altitude = 62-59°. Moderate dew.

Note:
Dust clouds in eastern Hellas and Ausonia, extending north across Tyrrhenum. Hadriacum not visible but Alpheus and Zea Lacus prominent. Hellespontus and Yaonis are now distinct. Libya bright.

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) : 0.18s   4-3   (RG610, NO IR ejection)
  Green  (488 -  574nm)  : 0.70s   2-4 images
  Blue     (392 -  508nm)  : 2.80s   4 images
Images bias, flat and dark corrected.

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


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