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Re: [APML] So, what have you forgot to take?



I forgot to take my warm boots a couple weeks ago on the longest night of
the year and stayed out for 15 hrs in 24degree weather in tennishoes. Not
very smart! Take a look at
http://flyboy999.freeyellow.com/NewSetup/Terrorist.htm

JIm
----- Original Message -----
From: "Jeff Ball" <jeffball@netacs.net>
To: "Astro-Photo" <astro-photo@seds.org>
Sent: Saturday, January 05, 2002 8:44 AM
Subject: [APML] So, what have you forgot to take?


> I know, imaging last night wasn't a great idea.  The Moon rise was around
> 11:50 p.m. local time in West Virginia.  But I wanted to try out a TV101.
> Setup went fine and the sky looked great.  Started to get ready to polar
> align and whoops.  Has anyone else forgotten the most insignificant piece
of
> equipment that can nearly shut down your entire night of imaging?  This
> night I forgot to pack my 2" to 1.25" converter for eyepieces!  I have two
> of them you know, but they are with other scopes.  This would not allow me
> to drift align with my illuminated reticle and barlow.
>
> So, I innovated.  Don't know how well yet.  I used the STV in Efinder
mode.
> I had synced up the Efinder well with the main tube optics.  The mount had
> been polar aligned with the AP polar scope.  I did a calibrate routine and
> the x/y angles looked perfect.  So, I found the x axis to correlate with
the
> N/S movement and drift aligning I went.  I made corrections to the alt/az
> until the adjustments were so minor that the star would exhibit drift if I
> made any other counter move.  This is not exactly scientific on my part,
but
> I hope it was correct intuition.  I used both "fast" and "slow" monitor
> modes with the Efinder.  I checked both meridian and east.  The guiding
> seemed to go OK- 2 arcsecond error and the x corrections not favoring any
> one direction.
>
> Oh, did I mention that it clouded over around 10:00 p.m.?;-(  Transparency
> went to pot.  Oh well.  It was another night in the old Astronomy 101
> classroom.
> Jeff Ball
> www.astro-photography.com
> Ohio Valley Astronomical Society
> www.ovas.org
>
>
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