Re: [APML] NGC7000 / Cygnus area

["Arne Danielsen" <arnedani@online.no>]

Hi Zoe!

Cold weather usually means dry air as well, but if the humidity is to high
you risk getting frost (not fog) on the lens. I usually use a Kendrick dew
remover system ( http://www.kendrick-ai.com/dewremover.html ) to be on the
safe side!

Best regards,
Arne
--
Arne Danielsen
Langhussenter 15, 1405 Langhus, Norway
mailto:arne.danielsen@oslo.online.no
http://arnedani.home.online.no/
N59°45'14"  E10°50'38" A115m

----- Original Message ----- 
From: "Zoë Mcenery" <zmcenery@yahoo.com>
To: "Arne Danielsen" <arnedani@online.no>; "Discussion of Film
Astrophotography" <astro-photo@seds.org>
Sent: Thursday, November 06, 2003 8:43 PM
Subject: Re: [APML] NGC7000 / Cygnus area


> Arne,
>
> Good point, but how do you deal with the fogging of the cameral lense
during longer exposures??
> Zoe
> Edmonton, Alberta
>
> -
> > There are two obvious advantages of a cold climate; 1) You get natural
> > cooling for you CCD/Digital SLR/film camera. 2) There is no need for bug
> > repellent! VBG
> >
> > Best regards,
> > Arne
>
>
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