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7172Re: ZS 105 - My first seeing report

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  • Barry Carter
    Jan 23, 2006
      Nice report. I am eager to get out and do something similar;
      prehaps tonight. The M42 observation was really nice.

      http://www.barrie-tao.com/wotriplet.html

      Ciao...Barry


      --- In William-Optics@yahoogroups.com, Jeremy Francisco
      <jeremyfrancisco@m...> wrote:
      >
      > Finally! Clear and dark skies greeted me last night and I drove
      30
      > minutes north to truly dark skies in the middle of Pawnee
      National
      > Grasslands (CO). After two hours of sub-twenty degree weather I
      > reluctantly packed up and drove home, but not before some
      celestial
      > treats.
      >
      > I must say that the more I use my ZS 105, the more I like it.
      After
      > reading all of the reports about how great the ZS 10th
      Anniversary
      > scope is and what great views everyone was getting, I had been
      > questioning my sanity in giving mine up in order to get the ZS
      105.
      > I doubt no more; here are my impressions (basically notes to
      myself
      > on what I saw.)
      >
      > Seeing tonight was steady and very dark. For the record, I did
      not
      > observe any chromatic aberration while the telescope was in
      focus.
      > There was a little violet on the top of Sirius when the scope was
      > focused to the front, but I could not see any when it was focused
      to
      > the rear. The only color visible was the true color of the stars.
      >
      > Equipment Used:
      >
      > Telescope - William Optics ZS 105 w/ Burgess 2" dielectric diagonal
      > Eyepieces - TMB/Burgess 6-mm; WO binoviewers with 20mm WO and 1.6
      > corrector, the 20mm WO alone
      > Mount - Stellarvue M6
      >
      > Saturn - At 196x the Cassini division was very clear and obvious.
      I
      > was able to observe horizontal stripes on the planet proper as
      well
      > as shadows created by the rings on the planet and planet on the
      rings.
      >
      > M42/43 & NGC 1977 - Wow! The nebula looked like water caught in
      an
      > eddy of a fast moving stream; I've never seen that much detail in
      > this nebula before. The trapezium was resolved to six stars, the
      > first time I have been able to see the sixth star.
      >
      > M31, M32 & M110 - Under lesser light I was unable to see M32 &
      M110
      > clearly, so I wanted to glimpse all three. Tonight there was no
      > doubt as to what I was seeing, all three galaxies were evident
      with
      > 110 clearly visible.
      >
      > M33 - I realize this galaxy is easily washed out in light
      polluted
      > skies and that light pollution to night was quite low, but I was
      > surprised as to how bright M33 was. The amount of detail visible
      was
      > wonderful; using averted vision I could make out the arms of the
      > galaxy!
      >
      > M45 - The nebulosity was beautiful tonight.
      >
      > Sigma Orionis and Beta Monocerotis - Both star systems resolved
      very
      > nicely. Speaking of color, the colors of the stars were visible;
      the
      > red of star D in Sigma Orionis etc.
      >
      > Horsehead Nebula - I was finally able to see this nebula. This
      has
      > always been one of my favorite photographed nebulas and I was
      finally
      > able to see it in person. A faint fuzzy, but it was there.
      >
      > M44 & M41 - I did not spend much time on these and when ahead and
      > took a peak since I was in the neighborhood. The most
      interesting
      > thing that I noted was the color of the stars. Most noted was
      the
      > orange star in the middle of M41; contrasted nicely with the
      other
      > stars.
      >
      > Sirius - Incredibly bright star; the only color I saw was the hot
      > white/blue of the star. No coloration on the fringe noticed.
      >
      > I realize that I moved around a lot last night and did not take a
      > tremendous amount of time on any one object; ten to fifteen
      minutes
      > each. Seeing as how this was my first time under extremely good
      > skies, I was like a kid in a candy store. I assume I'll
      eventually
      > settle down and take my time as I gain more experience.
      Considering
      > it has been over fifteen years since I last looked to the heavens
      in
      > a telescope, I feel I did quite well last night.
      >
      > Tired but fulfilled,
      >
      > Jeremy F
      >
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