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2006-12-02 10:05 JeffConrad 1000×695×8 (90786 bytes) Created with Microsoft Excel. Plot for homogeneous spherical set to X = 19.787 at z = 88 deg.
2006-11-13 23:54 JeffConrad 1000×685×8 (89368 bytes) Created with Microsoft Excel. Plot for Young and Irvine formula includes correction for atmospheric refraction so that values are for apparent zenith angle. Plot for homogeneous spherical atmosphere set to X = 37 at z = 90 deg.
2006-11-04 11:23 JeffConrad 1000×718×8 (95492 bytes) Created with Microsoft Excel. Plot for Young and Irvine formula includes correction for atmospheric refraction so that values are for apparent zenith angle.
2006-11-04 11:20 JeffConrad 1000×692×8 (91414 bytes) Reverted to earlier revision
2006-11-04 02:52 JeffConrad 1000×681×8 (90632 bytes) Created with Microsoft Excel; plot of Young & Irvine 1967 corrected for refraction so that values are for apparent zenith angle.
2006-11-02 10:52 JeffConrad 1000×692×8 (91414 bytes) Created with Microsoft Excel.