to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
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.
Captions
Add a one-line explanation of what this file represents