Earthshine Observing Log - 2005 April 17

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


General Information:

Observer: Alla Shumko
Weather: Clear
Seeing: Regular
Lunar Phase: -82.8 degree
Sun set: 02:16 UT
Moon rise: 20:00 UT
Moon set: 09:55 UT
Sun rise: 13:18 UT
Camera temperature: -35
BE filter type: NG3 2mm
ES filter type: NG10 2mm
BS exposure: 1100 ms
ES Exposure: 60000 ms
Image sequence: 4BS+ES+DC; FLAT
Image directory: (moon) /images/05apr17/

Observing Notes:




Sample Lunar Images on April 17, 2005

Crescent Earthshine ES side flat


Stddev of the flat: 0.90 (at the mean of 100).


On-line Analysis Result for April 17, 2005

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


Moonshine fitting Stddev.: 0.0229640; airmass absorptivity: -0.211758
Crescent fitting Stddev.: 0.0231827; airmass absorptivity: -0.205195
Earthshine fitting Stddev.: 0.0353545; airmass absorptivity: -0.251933

[A*] (from top to bomttom): 1.20786, 1.20728, Stddev: 0.0490565, 0.0520165; Calc. [A*]: 1.28266


Comments:
pmr@bbso.njit.edu
© BBSO/NJIT - Last updated on Tue Jun 14 19:55:37 PDT 2005.