Measuring the night sky and light pollution

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Presentation transcript:

Measuring the night sky and light pollution Pen-Yuan Hsing Into the Night workshop 16 February 2017 modified from “Light Pollution" by Timothy Tsui from Flickr CC BY-SA 2.0

sky glow light trespass & glare modified from “Light Pollution" by Timothy Tsui from Flickr CC BY-SA 2.0

sky glow & ambient light sky quality meters (SQMs) mobile apps “eye test” Snellen Eye Test Chart (modified) by GDJ from openclipart, public domain handset-311660 (modified) by Clker Free Vector Images from pixabay, public domain

sky quality meters (SQMs) DIY with Arduino

star field from Stellarium 0.15.1

star field from Stellarium 0.15.1

star field from Stellarium 0.15.1

screenshots of Globe at Night under fair use star field from Stellarium 0.15.1

Loss of the Night Globe at Night and Loss of the Night logos under fair use

screenshot of myskyatnight.com under fair use

screenshot of myskyatnight.com under fair use

sky quality meters (SQMs) mobile apps “eye test” Snellen Eye Test Chart (modified) by GDJ from openclipart, public domain handset-311660 (modified) by Clker Free Vector Images from pixabay, public domain

modified from "Vision of Eyechart with Glasses" by Ken Teegardin from Flickr CC BY-SA 2.0

Snellen Eye Test Chart (modified) by GDJ from openclipart, public domain star field from Stellarium 0.15.1

face modified from “Awesome” by rones on openclipart, public domain star field from Stellarium 0.15.1

How does this fit into… Earth Hour? glow worm surveys?

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