This work has been released into the public domain by its author, philohome.com. This applies worldwide. In some countries this may not be legally possible; if so: philohome.com grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
{{BotMoveToCommons|en.wikibooks|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Fisheye view of sky, used from http://www.philohome.com (free use for any purpose as stated on web page