John Appleyard writes:
Hi there I just got a superwedge to do astrophotographs now I am
wondering how to guide the scope should I
1....guide it manually
2....Buy the 201XT
3...Get the ST-4...

Start with piggybacking. With good polar alignment and a camera lens up to
150 mm, you can probably do a spectacular 5-minute exposure of the Milky Way
without any guiding corrections at all.

>From there, proceed to manual guiding.

Then add the 201XT (easy to use) or ST-4 (higher performance) or Apogee
Lisaa (very convenient). For deep-sky photography through the telescope,
you need something like this, since hand guiding is very difficult. But be
forwarned that deep-sky photography through the telescope is quite difficult
in any case. I have mostly stuck with piggybacking after all these years,
having tried lots of techniques. Modern telephoto lenses outperform the
instruments used at observatories 75 years ago.


Clear skies,

Michael A. Covington / AI Center / The University of Georgia
Author, ASTROPHOTOGRAPHY FOR THE AMATEUR
http://www.CovingtonInnovations.com/astro <><

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