Thursday, March 24, 2011

Hey Space Placers!

Want to make a real contribution to science and fight light pollution?

From an American Astronomical Society News Release:
Join the worldwide GLOBE at Night 2011 campaign: March 22 - April 6

Short overview:What: The GLOBE at Night 2011 Campaign: Less of Our Light for More Star Light

When: 8pm to 10pm local time, March 22 - April 4 northern hemisphere; March 24 - April 6 southern hemisphere

Where: Everywhere

Who: Everyone

How: See

GLOBE at Night encourages citizen-scientists worldwide to record the brightness of the night sky. During 2 weeks of moonless evenings, children and adults match the appearance of a constellation (Leo in the northern hemisphere and Crux or Leo in the southern hemisphere) with 7 star charts of progressively fainter stars found at They then submit their choice of star chart on-line with their date, time and location to help create a light pollution map worldwide.

The GLOBE at Night 2011 campaign dates are March 22 – April 4 (for the Northern Hemisphere) and March 24 – April 6 (for the Southern Hemisphere). Over 60,000 measurements have been contributed from more than 100 countries over the last 5 years of two-week campaigns, thanks to everyone who participated!

This year children and adults can submit their measurements in real time if they have a smart phone or tablet. To do this, you can use the web application at With smart phones and tablets, the location, date and time are put in automatically. And if you do not have a smart phone or tablet, there are user-friendly tools on the GLOBE at Night report page to find latitude and longitude.
Weather will nip any observations in the DC area this weekend so try for next week.
Sky Guy in VA

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