Re: [APML] Call for Input

["Bob Hughes" <rhughes@extremezone.com>]

Good input Ted. I'll give your suggestion some thought.

Bob


----- Original Message -----
From: "Ted Agos" <tagos@holycross.edu>
To: <astro-photo@seds.org>
Sent: Thursday, April 06, 2000 1:32 PM
Subject: Re: [APML] Call for Input


> The unit is repairable,  I also ran into this problem. What you have to do
is determane how far off center it is in mm or thous of an inch and remove
the retical and have a machinist open up the mounting area in the direction
that the retical is off. this is about .025 to .050 inches then you reglue
the retical in place ,also at this time you can correct for focus with shims
or deepining the retical mounting whole , the other option is to draw a
small circle in india ink  on the retical in the proper location for chip
center.
> Ted
>
> Ted Agos
> Acorn Hollow Obs.
> Sutton Ma.
> tagos@holycross.edu
> ASTRO Home page
> http://carver.holycross.edu/~tagos/astro.htm
> WEATHER LINKS
> http://carver.holycross.edu/~tagos/
>
> >>> KGKIRKLEY@aol.com 04/06/00 02:36PM >>>
>
> In a message dated 4/6/00 9:15:38 AM, rhughes@extremezone.com writes:
>
> <<
>
> On another note, I purchased the Flip Mate for the ST4 from Spectra. I
find
>
> that when I have the ST4 tracking and I get an x,y display of say, 55/50
or
>
> some where close to the center of the CCD, optically the star shows up
down
>
> in the lower left corner of the chip image as seen through the Flip Mate.
If
>
> you or anyone else on the Reflector have any ideas on how to align the
Flip
>
> Mate, comments or suggestions would be appreciated. I use a William
Optics
>
> 80mm as a guide scope. >>
>
> Bob:
> This is a problem with almost all Spectra Flipmates. They were advertisied
as
> being parfocal with the chip and the center of the chip was to be
indicated
> by the center of the reticle. Unfortunately, the Flipmate was not built
with
> enough precison for this to happen very often and it's not (easily)
> adjustable. I bitched over and over to Dan and was sent 4 samples, none of
> which worked exactly as advertised.
> BUT, there is really no other product which does what the Flipmate does
for
> the money. I've had to learn to live with the inaccuracy and where the
50/50
> position is in the reticle.
> Kent Kirkley
> www.connecti.com/~rreeves/kirkley.htm
>
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