Earthshine Observing Log - 2005 January 16

(Go on for sample images, on-line analysis result, and monthly lunar almanac)


General Information:

Observer: Alla Shumko
Weather: High clouds - clouds
Seeing: Regular
Lunar Phase: -102.3 degree
Sun set: 00:57 UT
Moon rise: 19:00 UT
Moon set: 07:12 UT
Sun rise: 14:58 UT
Camera temperature: -35
BE filter type: NG3 2mm
ES filter type: NG10 2mm
BS exposure: 1400 ms
ES Exposure: 20000 - 5000 ms
Image sequence: 4BS+ES+DC; FLAT
Image directory: (moon) /images/05jan16/

Observing Notes:




Sample Lunar Images on January 16, 2005

Crescent Earthshine ES side flat


Stddev of the flat: 0.77 (at the mean of 100).


On-line Analysis Result for January 16, 2005

Intensity vs. time Intensity vs. airmass [A*]


Moonshine fitting Stddev.: 0.145234; airmass absorptivity: -0.128926
Crescent fitting Stddev.: 0.141452; airmass absorptivity: -0.108350
Earthshine fitting Stddev.: 1.31918; airmass absorptivity: -0.101068

[A*] (from top to bomttom): 1.68885, 1.58709, Stddev: 1.29712, 1.36535; Calc. [A*]: 1.46727


Comments:
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© BBSO/NJIT - Last updated on Wed Jan 19 15:43:37 PST 2005.