Earthshine Observing Log - 2004 April 29

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


General Information:

Observer: Pilar Montañés Rodriguez
Weather: Clear
Seeing: bad
Lunar Phase: -72.1 degree
Sun set: 02:26 UT
Moon rise: 21:10 UT
Moon set: 10:15 UT
Sun rise: 13:04 UT
Camera temperature: -35
BE filter type: NG3 2mm
ES filter type: NG10 2mm
BS exposure: 1000 ms
ES Exposure: 20000 ms
Image sequence: 4BS+ES+DC; FLAT
Image directory: (moon) /images/04apr29/

Observing Notes:

Windy.



Sample Lunar Images on April 29, 2004

Crescent Earthshine ES side flat


Stddev of the flat: 1.29 (at the mean of 100).


On-line Analysis Result for April 29, 2004

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


Moonshine fitting Stddev.: 0.0414323; airmass absorptivity: -0.274371
Crescent fitting Stddev.: 0.0384366; airmass absorptivity: -0.261173
Earthshine fitting Stddev.: 0.0628478; airmass absorptivity: -0.254466

[A*] (from top to bomttom): 0.577132, 0.577991, Stddev: 0.655192, 0.657329; Calc. [A*]: 1.08461


Comments:
pmr@bbso.njit.edu
© BBSO/NJIT - Last updated on Wed May 26 12:54:01 PDT 2004.