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osbourne one-nil

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osbourne one-nil last won the day on January 12 2018

osbourne one-nil had the most liked content!

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    http://www.greatasby.co.uk

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    Appleby in Westmorland, Cumbria

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  1. Oh that's lovely! It's one of Ed Ting's "collectable" scopes. Any idea on age? I think mine is about 15yrs old but the coatings look to have lasted well and I keep being thrilled with the images I get through it (I've never actually "looked" through it....yet). Now you're happy with collimation, it really shouldn't need much tweaking providing you've tightened things down really well. My initial frustrations came from the previous owner fitting Bob's Knobs which, while easy to adjust, mean more adjustment is necessary as you can't tighten things down enough by hand. A pair of pliers later, and I can go out night after night and everything stays bob-on (no pun intended).
  2. Here’s my new dedicated SD103S visual scope…with my SD81SII on top for scale. The reduced price was too good to miss. I’ve had one before but I’d forgotten how big they were (compared to a 3” scope).
  3. I wouldn't dare criticise the Royal Mail, in case they know where I live.
  4. Here’s a vixen scope, mount and tripod. Happy da…nights.
  5. I wish I could be more help, but I've not tried the other brands. They're all horribly expensive though!
  6. Well I've got the Ecoflow River 2 and it charges so quickly, has loads of outputs and obviously a huge capacity. It's the quick charging which really impresses me, and after two years and lots of very cold nights, I've not noticed any degradation at all.
  7. Ah - so it's purely the aperture which improves things, not the f ratio. So my 8" SCT should be as effective in theory? I guess it then comes down to collimation and optical quality? Yes - that makes perfect sense. You've done well; it's not easy making me understand something!
  8. Thanks - that's what my brain was telling me, but then I started to doubt when you said This isn't a criticism by the way! It's a genuine insight into why I went to a polytechnic.
  9. I have no self respect to lose, so let me ask what might be a stupid question. If I use my 8" Newt and its dedicated coma corrector, with my ASI2600 camera, it gives me a resolution of 1.02" per pixel. If I was to use 100mm refractor with a similar focal length, and therefore a similar pixel scale, would the bigger aperture of the Newtonian give me any benefit? My brain is struggling.
  10. https://www.bresseruk.com/Astronomy/Telescopes/Vixen-SD103S-apochromatic-Refractor.html Back to full price - exactly the same as the newer model. I can't imagine there's a production cost difference but if they're looking to shift old stock, it seems a very odd approach.
  11. Even with VAT added, it's still a great price. I might go for it myself but I've just spent my pennies on a new mount....
  12. Oh! I could never work out why the owner of Fullerscopes was presenting Film 94. Now it makes sense. The Vixen aesthetics appeal to me too. I know it shouldn't matter, but it does, to the extent that I could never buy a Founder Optics scope.
  13. I didn't know Barry Norman was into astronomy! I've seen Bresser reduce the price of scopes before. The reductions never last long. I'm VERY tempted.
  14. I don't look through a telescope unless I'm wearing a lab coat. This stuff matters!
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