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billyharris72

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Topics posted by billyharris72

  1.  

    First attempt: trouble with CA on M45

    By billyharris72, in Getting Started With Imaging

    • 2 replies
    • 580 views
  2.  

    Google major fail

    By billyharris72, in Physics, Space Science and Theories

    • 4 replies
    • 666 views
  3.  

    Guiding issues with 130PDS and guidescope. Is an OAG a viable option?

    By billyharris72, in Getting Started With Imaging

    • 4 replies
    • 595 views
  4.  

    Halo around bright stars in Ha

    By billyharris72, in Getting Started With Imaging

    • 12 replies
    • 2,077 views
  5.  

    Help with this image please

    By billyharris72, in Getting Started With Imaging

    • 3 replies
    • 553 views
  6.  

    Help with understanding transits

    By billyharris72, in Observing - Planetary

    • 3 replies
    • 455 views
  7.  

    How do we know luminosity of a star from its spectral class

    By billyharris72, in Physics, Space Science and Theories

    • 6 replies
    • 825 views
  8.  

    How does radiation heat a gas?

    By billyharris72, in Physics, Space Science and Theories

    • 4 replies
    • 1,372 views
  9.  

    How to fit a second dovetail to 130pds?

    By billyharris72, in Getting Started Equipment Help and Advice

    • 7 replies
    • 904 views
  10.  

    How to interpret field curvature? [ED72 + OVL] 1 2

    By billyharris72, in Getting Started With Imaging

    • 28 replies
    • 6,499 views
  11.  

    Image brightening at edge of field - any ideas why

    By billyharris72, in Getting Started With Imaging

    • 9 replies
    • 892 views
  12.  

    Inflation is doing my head in

    By billyharris72, in Physics, Space Science and Theories

    • 12 replies
    • 1,124 views
  13.  

    Is this a problem with my flat frames

    By billyharris72, in Getting Started With Imaging

    • 16 replies
    • 8,454 views
  14.  

    Just moved to S Wales

    By billyharris72, in Topics

    • 3 replies
    • 1,233 views
  15.  

    Last night I learned a lesson and saved some money....

    By billyharris72, in Getting Started With Observing

    • 22 replies
    • 1,117 views
  16.  

    Lunar 100 description of Flamsteed P

    By billyharris72, in Observing - Lunar

    • 4 replies
    • 604 views
  17.  

    M15 attempt and a couple of questions

    By billyharris72, in Getting Started With Imaging

    • 1 reply
    • 419 views
  18.  

    Must ... restrain ... myself ....

    By billyharris72, in Discussions - Scopes / Whole setups

    • 17 replies
    • 1,214 views
  19.  

    Oval stars pointing in different directions

    By billyharris72, in Getting Started With Imaging

    • 10 replies
    • 833 views
  20.  

    Petition to regulate light pollution 1 2 3 4 35

    By billyharris72, in The Astro Lounge

    • 855 replies
    • 38,418 views
  21.  

    Photometry software options

    By billyharris72, in Observing and Imaging Double and Variable Stars

    • 4 replies
    • 1,568 views
  22.  

    Photometry woes - can anyone advise

    By billyharris72, in Observing and Imaging Double and Variable Stars

      
    • 9 replies
    • 1,625 views
  23.  

    Planetary stacking problem - what's causing this?

    By billyharris72, in Getting Started With Imaging

    • 2 replies
    • 578 views
  24.  

    Problem with collimation - suggestions needed

    By billyharris72, in Getting Started Equipment Help and Advice

    • 6 replies
    • 745 views
  25.  

    Problems with Opticstar ASCOM driver

    By billyharris72, in Discussions - Software

    • 2 replies
    • 885 views
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