FreeLists / az-observing / [AZ-Observing] Meade LightBridge 16"

[stanfm@xxxxxxx]

 Any thoughts on Meade's new 16" Lightbridge truss scope?

SFerris


 


 

-----Original Message-----
From: Peter Argenziano <pargenz@xxxxxxx>
To: az-observing@xxxxxxxxxxxxx
Sent: Wed, 8 Aug 2007 11:02 pm
Subject: [AZ-Observing] Re: SQM










Stan, the SQM beeps faintly only while it's taking a measurement. Once it 
beeps no more you can have a look at the reading. I don't recall mine ever 
taking any more than a few seconds to produce a reading. I used it tonight 
while observing at a friend's house in far north Scottsdale - reading was 
19.91 (average of 3 readings).

Peter

----- Original Message ----- 
From: "Stan Gorodenski" <stan_gorodenski@xxxxxxxxxxxxx>
To: "AZ-Observing" <az-observing@xxxxxxxxxxxxx>
Sent: Wednesday, August 08, 2007 9:28 PM
Subject: [AZ-Observing] SQM


I just received my SQM today. I just went out, 9:15pm, to take a reading
at the Blue Hills Observatory in Dewey. I got a reading of 21.06 visual
magnitude per square arc second. This seems to be too high, i.e., too
dark, but I do not know how this square arc second measure compares to
what the eye sees. I assume it indicates a  light polluted sky to a
degree because the reading was acquired in less than 10 seconds, but the
instructions say it can take up to a minute to get a reading in a very
dark sky.

Also, the instructions say it is supposed to beep every second while it
is acquiring the reading. Mine doesn't beep. It has a faint tick every
second. Is this normal?
Stan
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