Panel discussion about light pollution and dark skies

A while back I was invited to be part of a panel discussion titled "Light Pollution & the Dark Sky Movement". Check it out:


[d]arc thoughts: Episode 4 | Light Pollution & the Dark Sky Movement from [d]arc media on Vimeo.

Loss of the Night app video tutorials

A group of undergraduate students from Worcester Polytechnic Institute recently produced tutorial videos for using the Loss of the Night app. They made separate videos for the Android and iOS versions. Feel free to share them!


Android:





iOS:



Big thanks to Aaron, Kai, Ryan, and Vinit for producing these videos!

Removing natural light from nighttime satellite images

My student Jacqueline Coesfeld recently developed an analysis that will be interesting for readers of the blog who work with satellite data. I summarized it in a series of tweets. You can click on the tweet to read the thread, or see the unrolled version here.

Jacqueline Coesfeld has developed a method to correct monthly Day/Night Band data from @eogatpayne to center areas with no light at zero. Link to the paper: https://t.co/mzcVSoUZ1o

Image shows the result for a random location in the Pacific Ocean. Thread 👇🏿 pic.twitter.com/pmLDdXkJAN

— Christopher Kyba (@skyglowberlin) June 9, 2020