You guys should find this useful...
There is an online version of SunPosition software for calculating sunrise, sunset, shadow factor and plots the suns position throughout the day at 15 minute intervals. Options for making calculations using true or magnetic north, also compensates for GMT offset and DST.
SunPosition http://www.sunposition.net/
Members get access to over 48,400 worldwide locations at the time of this post, non members have access to 8,000 locations. Members can print out a graph and sun path professionally formatted to an A4 page and add locations to their own favourites menu along with the capabilities of creating their own personal locations, all this starts at US$18 per year for a single user license (15 euros).
No need to pay for upgrades or different versions for different computers, users can log in from any computer anywhere in the world as long as it has an internet connection and a browser. Locations are added continually so the database keeps growing, need a location thats not listed? just let the people know at SunPosition know and it will be added for you if you don't want to add it yourself.
A example SunPosition printer friendly formatted page that all members get access to can be seen by non members by selecting the location: Europe / Spain / MADRID (M) then after making the calculation for this location press the 'Printer friendly' button.
This really is a great online application that was created for Photographers, DoP's, Directors, Engineers etc. it is probably the most accurate sun positioning software you will find anywhere.
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