Clik here to view.
Have astronauts photographed your city at night?
Back in July, I blogged about a new portal that helps you find photos of cities at night, and three related citizen science projects. I have some astounding news about the project that I just needed to...
View ArticleTop 5 posts of 2014
Here's a look back at the five most read posts from 2014:5) New version of the Loss of the Night app - our official announcement of the release of the iOS version and the upgraded android version.4)...
View ArticleBrief introduction to the Loss of the Night app project
The Loss of the Night app allows citizen scientists to estimate how many stars they can see, and by extension how bright the night sky is. The goal of the project is to track changes in artificial sky...
View ArticleTweeted summary of our new paper about skyglow
We published a paper about skyglow today, in which researchers from 12 countries continuously measured the night sky brightness during the summers of 2011 and 2012. The paper is open access, so you can...
View ArticleFlashmob for Science in Berlin on March 14
On March 14 (Pi day) together with Clear Sky Blog we will host a "Flashmob for Science" event in Park am Gleisdreieck. You can register (and let your friends know about it) on Facebook, and you can...
View ArticleThe Globe at Night revisit project (2015)
The goal of the Loss of the Night app is to track how skyglow is changing worldwide. But since it was only released in 2013, it will be a while before we'll really be able to see the changes. But the...
View ArticleGlobe at Night auf Deutsch
Der "Globe at Night" Projekt hat leider keine Deutsche Website, der es gibt ein Deutsche Version von der webapp. Es gibt auch Infos für Lehrer/in und Familien die mitmachen wollen, hier zum Beispiel...
View ArticleGlobe at Night in other languages
Here is the link to the download page for Globe at Night information in other languages.The webapp is currently available in:CatalanChinese(simplified)Chinese(traditional)Chilean...
View ArticleClik here to view.
Effect of a single floodlamp in a natural area
Updated May 4, 2015Zoltán Kolláth took these amazing images of the shadow a church tower cast on the clouds in Torniella, Italy:Floodlit church shadow by Zoltán Kolláth is licensed undera Creative...
View ArticleClik here to view.
Future upgrades to the app
How can we improve the app? A bit more than a year ago I asked for your help in how we could improve the app. I updated the list as suggestions came in through comments, email, and in-person...
View ArticleMinor bug report
Users at high latitudes (like Germany) may have noticed today that the app crashed after it acquired a GPS signal. The bug was caused by an expectation that the "next good time" to observe should be...
View ArticleClik here to view.
The Loss of the Night app is two years old!
April 22 is the second anniversary of the Loss of the Night app! Since that time, tens of thousands of people have installed the app on their phone, and thousands of those people have used the app to...
View ArticleSign up for our new monthly newsletter
We're starting a newsletter to remind project participants each month when the moon phase allows Loss of the Night app measurements to be taken. In the monthly mail, we'll also occasionally share news,...
View ArticleClik here to view.
The night sky over Westhavelland, Germany
A few weeks ago I was in Sternenpark Westhavelland (International Dark-Sky Reserve Westhavelland) to try to measure the degree to which individual streetlights affect the night sky in a pristine area....
View ArticleClik here to view.
LED color temperature
A new contact that works on lighting castles sent me the photo below. It compares the light provided by an incandescent lamp (left) to the "warmest" white LED that their group could find (right).Image...
View ArticleClik here to view.
Star trails over Milow, Germany
Blog reader JC Cabrejas passed on this image that he took while near the International Dark-Sky Reserve Westhavelland.Polaris by JC Cabrejas is licensed undera Creative Commons Attribution 4.0...
View ArticleClik here to view.
Lighting in Sherbrooke, Quebéc
The Third International Conference on Artificial Light at Night just wrapped up today in Sherbrooke, Quebéc. Walking through the city this evening, I took a few photos of some street lights that caught...
View ArticleUsing the Loss of the Night app while traveling
In the last week, two people have asked me about using the Loss of the Night app while on vacation. The short answer is yes, you don't have to do anything special, the app will work when you are...
View ArticleALAN conference sign up
If you'd like to receive notifications about the Artificial Light at Night conference, you can sign up here: #mc_embed_signup{background:#fff; clear:left; font:14px Helvetica,Arial,sans-serif; } /* Add...
View ArticleWebinar about the app
The Helmholtz Association* is setting up a webinar for me to connect with Loss of the Night app users! I will give a presentation over streaming video, and then you will have the opportunity to ask me...
View Article
