(meteorobs) Ursids more fun than expected

[stange34 at sbcglobal.net]

You can take a picture frame & remove the THIN glass. Cut to fit with a 
glass cutter if necessary. A belt sander can make it round by heating the 
glass a little bit at a time after glass cuts have shaped it roughly.

Makes a good window without the star light diffraction heavy glass would. If 
camera is small, I use a section of black PVC pipe with removeable end 
adapter to RTV the glass to and hold the camera inside. The other end is 
sealed with a simple cap pre-drilled for the connectors or cables. This 
method does not fog the glass from internal heat of camera body.

Easily mounted because the PVC can be drilled and tapped for a variety of 
mountings.

Larry
YCS

----- Original Message ----- 
From: "Robert Haas" <zoefff4dms at yahoo.com>
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: 2007/12/23 14:21
Subject: Re: (meteorobs) Ursids more fun than expected


Just put the camera in an case an heat the observing window in front of the 
lens (use a lage optical filter ot make a observing window)
The camera makes its on heat
My compter system is  indoor and i use a direct usb kabel whit a repeater 
tot connect to the camera setup on observation platform outdoors

Robert Haas



----- Original Message ----
From: Roberto <me3540 at mclink.it>
To: Global Meteor Observing Forum <meteorobs at meteorobs.org>
Sent: Sunday, December 23, 2007 7:04:11 PM
Subject: Re: (meteorobs) Ursids more fun than expected


I with my Mintron have not never had problem but to the worked maximum
 to
to -1C°.
The problems some times I have had them with the Notebook.
Roberto Haver

----- Original Message ----- 
From: "Daniel Fischer" <dfischer at astro.uni-bonn.de>
To: <meteorobs at meteorobs.org>
Sent: Sunday, December 23, 2007 6:42 PM
Subject: (meteorobs) Ursids more fun than expected


> >From Germany I saw three*) in the half hour 20:55 - 21:25 UTC on
 Dec. 22
(effective
> time about 25 minutes, obstruction 30%, limiting magnitude 4.3 - I
 wonder
how e.g.
> http://umdb.urania.be/v2/obsview/view.php?id=2824 could get 5.5 with
*that* Moon).
> The third one was spectacular: bright, slow and with several maxima.
Unfortunately
> a video recording (Mintron + Camcorder) failed after only 17 minutes
 in
the cold
> when the Mintron signal became erratic and then disappeared: Advice
 on how
to
> operate these cameras in sub-zero-centrigrade temperatures would be
appreciated!
>
> Daniel
>
> *) at a time when the ZHR was around 33:
http://www.imo.net/live/ursids2007
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