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About Ken31

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    Newport, Gwent
  1. I caught it in the early hours of Saturday morning (11/07/2020) - just a snap really, but I'm pleased with it: Gallery (click)
  2. Totally unofficial of course, but in the absence of a name (other than the unromantic designation), I'm calling this photo "Rosemary's Comet" in honour of a close friend's coincidental birthday!
  3. This is my first decent comet since West (1976), the first I have been able to photograph, and my first sighting of noctilucent clouds (I wouldn't have been looking if it hadn't been for the comet prospect!).
  4. Location: Rogerstone, Newport, UK Date: 2020/07/11 Time: 0155UT Camera: Fuji FinePix HS50EXR Settings: 8s f4 ISO400 17mm (x4.25 optical zoom) Post-processing: cropped, contrast enhanced.

    © Free to use with attribution

  5. See post 29. I know these are not the same thing, but get some and be prepared to take them back.
  6. I agree the need (I run a forum myself) - but 250 posts???
  7. (I can't edit my posts because of the ridiculously high post count requirement) Terrestrial telescopes (such as used by seafarers, typically collapsible) use a Galilean optical design, where the eyepiece is a concave lens instead of convex. The primary lens focus is beyond the eyepiece instead of before it, so the image (when viewed) is the right way up. This optical design is much less versatile than the normal astronomical telescope design with a convex eyepiece, and has limited magnification, so is only used when the lack of image inversion is important.
  8. Not counting the primary mirror, there is one mirror in the light path therefore the image will be mirror-reversed. The same applies to a refractor (telescope with an objective lens instead of a mirror) when using a "diagonal" to direct the view sideways (avoiding a crick in the neck trying to look up an eyepiece) - one mirror, image mirrored.Even without a diagonal, the view through a refractor is upside down. If the diagonal is in the vertical plane, the view is mirrored vertically so the image is the right way up but reversed. One just has to get used to the idea of not worrying what way
  9. The relevant posts in this topic are: Post 21: http://stargazerslounge.com/topic/169479-aldi-telescope/page-2#entry1734781 Post 30: http://stargazerslounge.com/topic/169479-aldi-telescope/page-2#entry1742632 Post 51: http://stargazerslounge.com/topic/169479-aldi-telescope/page-3#entry2202463 Post 63: http://stargazerslounge.com/topic/169479-aldi-telescope/page-4#entry2238067 Can you compare your purchase with my findings in post 51? Note that furrysocks realigned the diagonal and got decent results with a better eyepiece, I have not got around to doing the same (so far - many other calls on
  10. Aldi currently have a stack of the 'scopes this topic was originally about - but as per my previous examination of the one I "took for the team" I would not recommend one for any purpose whatsoever. I have yet to find out what it is like when re-engineered so that the diagonal mirror is on the eyepiece axis.
  11. Ken31


    If you zoom in on the picture above you can just about see a smudge in the area of chi & h Perseii.
  12. Ken31


    Spot the Perseid!
  13. No, still not got around to "fixing" the Aldi. I was in the RSPB centre today, and they had something very similar on sale for £70 - just RSPB branding and including what looked like a nice beginners astronomy book. I had a look down the eyepiece holder and guess what - off-centre diagonal (though not so bad).
  14. Ken31


    Guys (& gals): my last camera just gave up the ghost, and have replaced it with a Fuji FinePix HS50EXR (another bridge camera, I can't justify the expense and upkeep of a DSLR body and multiple lenses). The HS50 has a 42X zoom (1000mm equivalent) lens with image stabilisation, so my first test was a hand held shot (leaning against a post) at 42X:
  15. The Questar is pretty enough, but it cost an arm and a leg at the time.
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