We're losing our stars to light pollution.

https://scitechdaily.com/stars-disappear-before-our-eyes-startling-analysis-from-globe-at-night/

Do your bit and submit light-pollution measurements from home. Even just one measurement is useful, though one a month would be amazing.

Instructions at: http://www.myskyatnight.com/#about

#citizenscience #astronomy #darksky #pollution #lightpollution #lossofthenight #darkskymeter #globeatnight

Stars Disappear Before Our Eyes: Startling Analysis From Globe at Night

NOIRLab’s Globe at Night educational program reveals how increasing light pollution is robbing us of the night sky. A startling analysis from Globe at Night — a citizen science program run by NSF’s NOIRLab — concludes that stars are disappearing from human sight at an astonishing rate. The study

SciTechDaily

Loss of the Night for iOS & Android walks you around the sky from brightest to faintest stars to establish what's the dimmest thing you can see. Needs half an hour putting aside as you need to let your eyes dark-adjust for a fair reading

https://lossofthenight.blogspot.com/2015/01/brief-introduction-to-loss-of-night-app.html

#citizenscience #astronomy #darksky #pollution #lightpollution #lossofthenight #darkskymeter #globeatnight

Brief 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. T...

Dark Sky Meter is an iOS-only* app for doing quick/dirty sky-luminance ratings. I pull over sometimes when driving at night to grab a quick value somewhere I don't go often (and can't stop for 20mins to do a proper observation).

https://darkskymeter.com/app.html

* The camera has to be categorised, which is impracticable for '000s of Android devices, but achievable on the smaller # of iOS devices.

#citizenscience #astronomy #darksky #pollution #lightpollution #lossofthenight #darkskymeter #globeatnight

DDQ Darkskymeter FAQ

If you don't have access to an appropriate device, you can also print out a chart which shows the stars of Orion at different magnitudes. Then report the faintest magnitude visible through their web portal. This is best done when there's no moon, but if you're in an often-cloudy area, do what you can!

https://www.globeatnight.org/6-steps.php

#citizenscience #astronomy #darksky #pollution #lightpollution #lossofthenight #darkskymeter #globeatnight

Globe at Night - 6 Steps