[AZ-Observing] Re: SQM readings

  • From: "Ken Sikes" <KGSikes@xxxxxxx>
  • To: <az-observing@xxxxxxxxxxxxx>
  • Date: Mon, 19 Mar 2007 20:27:52 -0700

Another good site explaining magnitudes per square arc-second
http://www.nightwise.org/magnitudes.htm


Ken Sikes


----- Original Message ----- 
From: "Peter Argenziano" <pargenz@xxxxxxx>
To: <az-observing@xxxxxxxxxxxxx>
Sent: Monday, March 19, 2007 8:19 PM
Subject: [AZ-Observing] Re: SQM readings


Ken, a Sky Quality Meter measures the sky darkness in magnitudes per square
arc-second.
More info here on the manufacturers website:
http://unihedron.com/projects/darksky/

Peter

----- Original Message ----- 
From: "Ken Reeves" <kreeves@xxxxxxxxx>
To: <az-observing@xxxxxxxxxxxxx>
Sent: Monday, March 19, 2007 8:08 PM
Subject: [AZ-Observing] Re: SQM readings



Pardon my ignorance, but what is an SQM and what is the scale of it?

Ken Reeves

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