Earthshine Observing Log - 2003 August 20

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


General Information:

Observer: Pilar Montañés Rodriguez
Weather: Cirrus
Seeing: Bad
Lunar Phase: 93.9 degree
Sun set: 02:26 UT
Moon rise: 06:45 UT
Moon set: 21:16 UT
Sun rise: 13:16 UT
Camera temperature: -35
BE filter type: NG3 2mm
ES filter type: NG10 2mm
BS exposure: 2000 ms
ES Exposure: 90000 - 60000 ms
Image sequence: 4BS+ES+DC; FLAT
Image directory: (moon) /images/03aug20/

Observing Notes:

Some clouds.



Sample Lunar Images on August 20, 2003

Crescent Earthshine ES side flat


Stddev of the flat: 0.00 (at the mean of 100).


On-line Analysis Result for August 20, 2003

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


Moonshine fitting Stddev.: 0.0337899; airmass absorptivity: -0.324704
Crescent fitting Stddev.: 0.0334573; airmass absorptivity: -0.312127
Earthshine fitting Stddev.: 0.0369494; airmass absorptivity: -0.230444

[A*] (from top to bomttom): 1.40901, 1.41108, Stddev: 0.0593138, 0.0605752; Calc. [A*]: 1.41471


Comments:
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© BBSO/NJIT - Last updated on Fri Mar 26 22:03:12 PST 2004.