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Knightware released Zone Calculator on 29 June 2017.





Free Software:
Zone Calculator

Zone Calculator is a free program that converts a sky brightness value to the zone color defined in The New World Atlas of Artificial Sky Brightness (2016, Falchi et al). It can convert values among several units of measure: magnitude per square arcsecond, naked eye limiting magnitude, and millicandelas per square meter.

It requires no installation - just download, save to disk and run it. Zone Calculator is compatible with Windows 7, 8 and 10, including high resolution displays.

Zone colors are calculated and displayed in SQM Reader Pro.


 

SQM Reader

Please enter the code below then click Download
to get Zone Calculator v1.0.1.0 (3.4 MB)
Make sure to save the program file to your hard drive before running it.
The program file is digitally signed by Knightware.

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(No personal data is collected. This simply helps to prevent downloads by spiders & bots.)
Last updated: 3 Jul 2017





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