Simple Night-Sky Measurements for "Globe at Night" in Chile with Sky Quality Meters (SQMs) and Illustrated with Basic Photography - a Prototype for the IYA/AMA.

Details Simple Night-Sky Measurements for "Globe at Night" in Chile with Sky Quality Meters (SQMs) and Illustrated with Basic Photography - a Prototype for the IYA/AMA. Simple Night-Sky Measurements for "Globe at Night" in Chile with Sky Quality Meters (SQMs) and Illustrated with Basic Photography - a Prototype for the IYA/AMA.

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...212.5001s&link_type=abstract

American Astronomical Society, AAS Meeting #212, #50.01; Bulletin of the American Astronomical Society, Vol. 40, p.245

Astronomy and Astrophysics

Astronomy

Scientific paper

We report the status of, and plans for, simple measurement of the night-sky brightness on and around Cerro Tololo and Cerro Pachon in Chile, using UniHedron SQMs, in the context of public education and outreach activity.
The increase in brightness as one moves from the dark sky over Cerro Tololo and Cerro Pachon ( 21.7mag) via CADIAS ( 20.7mag) along a radius into the suburbs of La Serena ( 19.0mag) is illustrated with images of the sky looking towards and away from the La Serena/Coquimbo conurbation.
This basic test plan - carried out as part of the 2008 "Globe at Night" initiative - is to be extended for the IYA. Simple annual measurements of this nature, involving schools and the public, can aid in the protection of professional and amateur astronomy observatories anywhere.
A trial grid of SQM measurements in the region around Tololo and Pachon (by DO and DM) has recently been integrated (by MW) into graphic overlays on Google Earth maps. These data have also been submitted to "Globe at Night, 2008". All these measurements in 2008 serve as a trial for an even bigger, international, campaign run in 2009 for the International Year of Astronomy.

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