[AZ-Observing] Re: Daytime Jupiter

Tom I photographed Jupiter last night, it had a dark moon shadow on the disk. 
did you see it?

CHris


--- On Mon, 9/15/08, Tom Polakis <tpolakis@xxxxxxx> wrote:

> From: Tom Polakis <tpolakis@xxxxxxx>
> Subject: [AZ-Observing] Daytime Jupiter
> To: az-observing@xxxxxxxxxxxxx
> Date: Monday, September 15, 2008, 12:03 PM
> Yesterday, several of us looked at Jupiter during the day
> without optical aid.    I had been looking at it just after
> sunset the previous day, so I know about where to point my
> telescope.  After putting the scope on it, we looked through
> the Telrad, and there it was at 6:30 p.m.
> 
> The best time to look is in the last half hour before
> sunset.  Start by looking due south (usually easy to do in
> Phoenix) about one-third of the way from the horizon to the
> zenith, and then move your gaze about half of this angle (15
> degrees) to the left.  The problem is focusing your eyes to
> infinity.  Like the lens on my annoying old point-and-shoot
> camera, I just can't switch my eyes' auto-focus off.
>  A polarizing filter darkens this part of the sky a lot. 
> Alister Ling wrote about daytime Jupiter viewing here.
> 
> http://tech.groups.yahoo.com/group/amastro/message/4050
> 
> Tom
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