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Piero

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Topics posted by Piero

  1.  

    powermate 2.5x

    By Piero, in Discussions - Eyepieces

    • 14 replies
    • 1,125 views
  2.  

    Full moon observation in WF

    By Piero, in Observing - Lunar

    • 3 replies
    • 786 views
  3.  

    moving medium-large dobsons 1 2

    By Piero, in Discussions - Scopes / Whole setups

      
    • 37 replies
    • 2,410 views
  4.  

    prism vs mirror diagonal performance at different focal ratio

    By Piero, in Discussions - Scopes / Whole setups

      
    • 10 replies
    • 3,956 views
  5.  

    can the barlow position extend a refractor focal length?

    By Piero, in Discussions - Eyepieces

    • 10 replies
    • 1,777 views
  6.  

    Jupiter 06/04/2017

    By Piero, in Sketching

    • 2 replies
    • 488 views
  7.  

    Alt-Az mounts - Altair Sabre vs Tele-Optic Giro Ercole 1 2

    By Piero, in Discussions - Mounts

    • 39 replies
    • 10,631 views
  8.  

    How dark is your sky on a moonless night? 1 2 3 4

    By Piero, in Observing - Discussion

    • 83 replies
    • 7,058 views
  9.  

    Do supernovae in other galaxies look like this?

    By Piero, in The Astro Lounge

    • 15 replies
    • 1,409 views
  10.  

    Clear sky after the rain

    By Piero, in Observing - Deep Sky

    • 7 replies
    • 997 views
  11.  

    Why would Proxima b receive UV and X-ray 100 times stronger than on Earth?

    By Piero, in Physics, Space Science and Theories

    • 4 replies
    • 550 views
  12.  

    ngc278 and other targets

    By Piero, in Observing - Deep Sky

    • 7 replies
    • 742 views
  13.  

    lovely Cassiopeia

    By Piero, in Observing - Deep Sky

    • 11 replies
    • 688 views
  14.  

    Bob's knobs for SW dobson 200 F6

    By Piero, in Discussions - Scopes / Whole setups

    • 19 replies
    • 1,728 views
  15.  

    a lot of fun!

    By Piero, in Observing - Reports

    • 15 replies
    • 421 views
  16.  

    Making a dob mount smoother

    By Piero, in Discussions - Mounts

    • 13 replies
    • 823 views
  17.  

    Suiter's book on star testing

    By Piero, in Physics, Space Science and Theories

    • 10 replies
    • 958 views
  18.  

    A few reports from my holiday in Italy

    By Piero, in Observing - Reports

    • 16 replies
    • 744 views
  19.  

    M55

    By Piero, in Observing - Deep Sky

    • 8 replies
    • 664 views
  20.  

    space walk 1 2

    By Piero, in Discussions - Eyepieces

    • 27 replies
    • 2,136 views
  21.  

    Green filter #58 vs solar continuum

    By Piero, in Discussions - Eyepieces

    • 12 replies
    • 2,125 views
  22.  

    Lovely Saturn last night!

    By Piero, in Observing - Planetary

    • 2 replies
    • 561 views
  23.  

    Mars and Saturn

    By Piero, in Observing - Planetary

    • 15 replies
    • 1,123 views
  24.  

    B Cas - S&T Article

    By Piero, in Observing - Discussion

    • 2 replies
    • 400 views
  25.  

    French test for 10mm f.l. eps

    By Piero, in Discussions - Eyepieces

    • 6 replies
    • 1,181 views
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