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Spile

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Everything posted by Spile

  1. Spile
    A combination of Baader zoom, matching Barlow and a couple of low power 2” wide angle EPs (30mm and 42mm) meets my needs.
  2. Spile
    I’ve documented how I star hop here https://astro.catshill.com/finding-dim-objects/
  3. Spile
    It’s less about tech but more about getting your brain to see shapes and patterns of stars. Once you are in the right part of the sky averted vision will help but the most important upgrade is a dark sky. Keep at it as practice and patience will pay dividends.
  4. Spile
    The Phillips screws tilt the mirror and the hidden Allen bolts lock the mirror. Undo these before you try and tilt the mirror. More details with labels at https://astro.catshill.com/collimation-guide/
  5. Spile
    Remove the piece of paper hiding the primary as the reflection of the secondary is a valid reference point.
  6. Spile
    I’ve written a number of getting started guides which can be found on my blog below. I’d also encourage you to read a number of different guides in order to get an idea of common messages. Finally I recommend joining a local astronomy club in order to discuss with owners the various aspects of the hobby and the types of telescope you can buy.
  7. Spile
    The prices for the 3-8mm zoom were much higher than that on the sites I looked at. The 7-21mm was much cheaper.
  8. Spile
    Thanks for the clarification of pricing variance.
  9. Spile
    Sorry I don’t understand. The BHZ and Barlow together costs around £300. The Svbony alone costs around £225 . What am I missing?
  10. Spile
    It’s not been a problem for me. The degree of friction is just right on both bearings and I’ve not needed to lubricate either.
  11. Spile
    I’d also recommend Turn Left at Orion and a copy of SkySafari on a tablet.
  12. Spile
    The StellaLyra is better equipped than the Skywatcher. The latter can be upgraded piecemeal which is what I have done but of course at additional ££.
  13. Spile
    If you don’t attach the Barlow to the skirt, the whole assembly will rotate when you change the zoom and you don’t want that. Using the 2” adapter solves that problem as I explain here https://astro.catshill.com/the-zoom-eyepiece/
  14. Spile

    Almach

    Spile replied to CHRlS's topic in Observing - Reports

    It’s a fine double and great colour contrast too. Doubles are good friends for those of us with light polluted skies.
  15. Spile
    I’d recommend getting engrossed in visual astronomy. Seeing things live rather than looking at photos is something I find absorbing and well worth doing. If that floats your boat then I can recommend a Dobsonian telescope and pair it with a copy of Turn Left at Orion. More information on my blog below.
  16. Spile
    Thanks both. I’ve not noticed too much friction but your washer tweak appeals. I know that some folk have placed a CD or LP between the two parts to reduce friction.
  17. Spile
    I am surprised about this. My Skywatcher 200P hasn’t had any treatment since new as I didn’t want to risk contaminating it. I agree that the finder needs replacing though and that is why I changed mine to a RACI and Telrad.
  18. Spile
    You have sorted the offset error. Just a little tilt/rotation to deal with (three outer screws).
  19. Spile
    Senior moment - sorry. You are correct of course - post now edited accordingly.
  20. Spile
    This is where the secondary needs to be. Start by moving it away from the primary mirror (centre bolt adjustment as explained in my guide):
  21. Spile
    I would recommend a zoom eyepiece like the well reviewed Svbony. This will give you (especially combined with a Barlow) a range of magnifications so you won’t have to guess.
  22. Spile
    You need to place a piece of paper behind the focuser and include the focus tube in the image as that is a key reference point.
  23. Spile
    The good news is that the Dobsonian is very upgradable. For now I’d recommend getting used to your new telescope before considering upgrades. Well apart from an app on your phone and a copy of Turn Left at Orion that is.
  24. Spile
    I open the compasses to the length of one side and check it against the opposite side. See initial check part of https://astro.catshill.com/collimation-guide/
  25. Spile
    I check the focuser is square with a pair of compasses. It always is so like you, I have no need to adjust it.
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