From: "Christoph Bosshard" <chboss@hispeed.ch>
Date: November 18, 2007 6:58:26 AM MST
To: Astro_IIDC@yahoogroups.com
Subject: Re: Barlows and Mars
Hi there fellow Martians
In any case, I just bought a 3x TV barlow for a better focal ratio
than I was capable of
before. The 2x I was using was a mediocre Celestron with some
apparent dust specs that
I've never been able to clean. I was amazed I was able to get any
kind of image with the 5x
and compared to the original, I'm even more amazed.
Duane
I used my 90mm WO with 3x Tele Vue barlow yesterday night to take my
first Mars image this season. The result is not that great due to the
unstable atmosphere and short focal length of the instrument.
But I fully agree with your views, it is worth to invest in a good
quality barlow!
Here the link to the image:
http://aida.astroinfo.org/displayimage.php?pos=-3706
regards
Chris