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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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