Earthshine Observing Log - 2004 April 23

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


General Information:

Observer: Pilar Montañés Rodriguez
Weather: Clear
Seeing: Excelent
Lunar Phase: -138.8 degree
Sun set: 02:21 UT
Moon rise: 15:32 UT
Moon set: 05:46 UT
Sun rise: 13:10 UT
Camera temperature: -35
BE filter type: NG3 2mm
ES filter type: NG10 2mm
BS exposure: 4000 ms
ES Exposure: 120000 ms
Image sequence: 4BS+ES+DC; FLAT
Image directory: (moon) /images/04apr23/

Observing Notes:

Clear sky and excelent seeing tonight. About 2 hours 30 min of data.



Sample Lunar Images on April 23, 2004

Crescent Earthshine ES side flat


Stddev of the flat: 1.02 (at the mean of 100).


On-line Analysis Result for April 23, 2004

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


Moonshine fitting Stddev.: 0.0175535; airmass absorptivity: -0.145725
Crescent fitting Stddev.: 0.00932838; airmass absorptivity: -0.142247
Earthshine fitting Stddev.: 0.00533318; airmass absorptivity: -0.160572

[A*] (from top to bomttom): 1.51211, 1.51384, Stddev: 0.0818094, 0.0835740; Calc. [A*]: 1.41469


Comments:
pmr@bbso.njit.edu
© BBSO/NJIT - Last updated on Mon May 3 11:45:40 PDT 2004.