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Ursa Major

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Topics posted by Ursa Major

  1.  

    Why is the Solar system flat?

    By Ursa Major, in Physics, Space Science and Theories

    • 10 replies
    • 9,415 views
  2.  

    Favourite non-Messier objects? 1 2

    By Ursa Major, in Observing - Deep Sky

    • 34 replies
    • 3,228 views
  3.  

    Useful Herschel observational tick list

    By Ursa Major, in Primers and Tutorials

    • 12 replies
    • 2,637 views
  4.  

    What is the/a Singularity

    By Ursa Major, in Physics, Space Science and Theories

    • 24 replies
    • 1,993 views
  5.  

    Using hairdryer to maintain telescope

    By Ursa Major, in Getting Started General Help and Advice

    • 4 replies
    • 1,900 views
  6.  

    Solar film: off axis or full aperture?

    By Ursa Major, in Getting Started General Help and Advice

    • 11 replies
    • 1,812 views
  7.  

    Favourite space music? 1 2

    By Ursa Major, in The Astro Lounge

    • 28 replies
    • 1,652 views
  8.  

    Black holes and the Speed of light

    By Ursa Major, in Physics, Space Science and Theories

    • 11 replies
    • 1,638 views
  9.  

    A night at a dark site

    By Ursa Major, in Observing - Reports

    • 16 replies
    • 1,631 views
  10.  

    Ghost of Jupiter help

    By Ursa Major, in Observing - Deep Sky

    • 10 replies
    • 1,477 views
  11.  

    Good Astronomy books

    By Ursa Major, in Getting Started General Help and Advice

    • 24 replies
    • 1,451 views
  12.  

    Sounds Exciting-Asteroid Occultations

    By Ursa Major, in Observing - Discussion

    • 13 replies
    • 1,240 views
  13.  

    Anyone seen a Moon Halo?

    By Ursa Major, in Observing - Lunar

    • 7 replies
    • 1,227 views
  14.  

    Very faint leo triplet (or in my case, leo duplet)

    By Ursa Major, in Observing - Deep Sky

    • 14 replies
    • 1,205 views
  15.  

    M81+M82 computer sketch

    By Ursa Major, in Sketching

    • 5 replies
    • 1,125 views
  16.  

    M11- The Wild Duck Cluster

    By Ursa Major, in Sketching

    • 6 replies
    • 1,096 views
  17.  

    Best night so far

    By Ursa Major, in Observing - Reports

    • 10 replies
    • 1,093 views
  18.  

    Large Sun at sunset

    By Ursa Major, in Observing - Solar

    • 3 replies
    • 1,083 views
  19.  

    Training the eye

    By Ursa Major, in Observing - Discussion

    • 5 replies
    • 1,045 views
  20.  

    Compass directions on sketches?

    By Ursa Major, in Getting Started General Help and Advice

    • 7 replies
    • 1,010 views
  21.  

    Binocular aperture question

    By Ursa Major, in Observing - Discussion

    • 7 replies
    • 1,009 views
  22.  

    seeing supernovas

    By Ursa Major, in Observing - Deep Sky

    • 8 replies
    • 988 views
  23.  

    double star catalogues

    By Ursa Major, in Observing - Discussion

    • 1 reply
    • 833 views
  24.  

    Signs of the Zodiac

    By Ursa Major, in The Astro Lounge

    • 4 replies
    • 777 views
  25.  

    stellarium for reflector telescopes

    By Ursa Major, in Getting Started General Help and Advice

    • 3 replies
    • 756 views
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