20.06.2017 Views

sultan_2006

Topics RECONSTRUCTION, SCHAEFER, SCHAEFER'S FORMULA, LUNAR VISIBILITY, VISIBILITY OF LUNA, BRIGHTNESS OF CRESCENT, MOON, QAMAR, HILAL, RUYAH TUL HILAL, CRESCENT OF LUNA, LUNA'S CRESCENT, SCHAEFERS, CRITERION, REDISCOVERING SCHAEFER, S FORMULA

Topics RECONSTRUCTION, SCHAEFER, SCHAEFER'S FORMULA, LUNAR VISIBILITY, VISIBILITY OF LUNA, BRIGHTNESS OF CRESCENT, MOON, QAMAR, HILAL, RUYAH TUL HILAL, CRESCENT OF LUNA, LUNA'S CRESCENT, SCHAEFERS, CRITERION, REDISCOVERING SCHAEFER, S FORMULA

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10.00<br />

Sultan A. H. 2004<br />

Relative Contrast Cr vs. Moon altitude<br />

( site elevation = 1990 m)<br />

8 degrees<br />

1.00<br />

7 degrees<br />

Relative Contrast Cr<br />

(Cr = C/ Cth)<br />

6 degrees<br />

0.10<br />

5 degrees<br />

4 degrees<br />

0.01<br />

0.00 2.00 4.00 6.00 8.00<br />

Moon altitude in degrees

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