[AZ-Observing] Re: Southern Milkyway with Sigma fisheye
- From: Tom Polakis <tpolakis@xxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Mon, 15 Sep 2008 12:33:38 -0400
---- Chris Schur <comets133@xxxxxxxxx> wrote:
> sigma 8mm f/3.5 fisheye lens pointed at the zenith...
Chris, nice shot. That fisheye is really sharp at f/5.0! Your image shows the
North America Nebula and Eta Carinae in one frame.
> The sky was fairly dark in the Outback, reading 21.6 on the SQM meter in a
> bland part of the sky.
Since there was no source of light pollution down to the horizon, I wonder why
the reading wasn't closer to 22.0. Was the reading affected by the presence of
the Milky Way. I thought that people have read 21.6 from their SQM's at Five
Mile Meadow, which is dark, but it ain't the Outback.
Tom
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