GLOBE at Night

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This year The GLOBE at Night campaign for  2019 will be collecting observations during particular dates each month, roughly between 8pm – 10pm local time, when the Moon is not up.

Five Easy Star Hunting Steps

  1. Use the Globe at Night website to help find your constellation in the night sky.
  2. Use the Globe at Night website to find the latitude and longitude of the location where you are making your observation.
  3. Go outside more than an hour after sunset (8-10 pm local time). The Moon should not be up. Let your eyes become used to the dark for 10 minutes before your first observation.
  4. Match your observation to one of 7 magnitude charts and note the amount of cloud cover.
  5. Report the date, time, location (latitude/longitude), the chart you chose, and the amount of cloud cover at the time of observation. Make more observations from other locations, if possible. Compare your observation to thousands around the world!:

Those dates are:

Southern Constellations

2019

Canis Major
Dec 29, 2018 – Jan 7, 2019

Orion
Jan 27 – Feb 5, Feb 26 – Mar 7, 2019

Crux
Mar 27 -Apr 5, Apr 25 – May 4, May 25 – June 3, 2019

Scorpius
June 24 – July 3, July 24 – Aug 2, 2019

Sagittarius
Aug 22 – Aug 31, Sept 20 – 29, 2019

Grus
Oct 19 – 28, Nov 18 – 27, Dec 18 – 27, 2019


GLOBE at Night is a citizen science project to record the brightness of the night sky around the world. The data is collected to produce an interactive map of all worldwide observations.

The Globe at Night program is an international citizen-science campaign to raise public awareness of the impact of light pollution by inviting citizen-scientists to measure their night sky brightness and submit their observations from a computer or smart phone. Light pollution threatens not only our “right to starlight”, but can affect energy consumption, wildlife and health. More than 100,000 measurements have been contributed from people in 115 countries during the campaigns each winter/spring over the last 9 years, making Globe at Night the most successful light pollution awareness campaign to date!

Explore the last 9 years of data in our interactive data map, or see how your city did with our regional map generator. The Globe at Night website is easy to use, comprehensive and holds an abundance of background information. The database is usable for comparisons with a variety of other databases, like how light pollution affects the foraging habits of bats.

Make a difference and join the GLOBE at Night campaign!

Data from 2018

History of this Event

BMOM has supported this event since 2014.