Earthshine Observing Log - 2004 February 25

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


General Information:

Observer: Pilar Montañés Rodriguez
Weather: Clear
Seeing: Good
Lunar Phase: -121.5 degree
Sun set: 01:35 UT
Moon rise: 17:18 UT
Moon set: 06:14 UT
Sun rise: 14:26 UT
Camera temperature: -35
BE filter type: NG3 2mm
ES filter type: NG10 2mm
BS exposure: 3000 - 5000 ms
ES Exposure: 100000 - 120000 ms
Image sequence: 4BS+ES+DC; FLAT
Image directory: (moon) /images/04feb25/

Observing Notes:

Some low clouds.



Sample Lunar Images on February 25, 2004

Crescent Earthshine ES side flat


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


On-line Analysis Result for February 25, 2004

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


Moonshine fitting Stddev.: 0.0287420; airmass absorptivity: -0.168275
Crescent fitting Stddev.: 0.0290917; airmass absorptivity: -0.168674
Earthshine fitting Stddev.: 0.0474452; airmass absorptivity: -0.209444

[A*] (from top to bomttom): 1.25343, 1.53446, Stddev: 1.44057, 0.886197; Calc. [A*]: 1.47054


Comments:
pmr@bbso.njit.edu
© BBSO/NJIT - Last updated on Wed Mar 31 01:30:28 PST 2004.