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About domstar

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    czech republic
  1. domstar

    In praise of the lowly Plossl

    Well I mentioned on another thread that I'd almost certainly found the F star in the Trapezium and I confirmed it last night with a 20mm Starrguider and 2.5x Baader Barlow, which I'm really pleased about. Thanks for the other Orion tips- they were great. (and thanks for your tact on both threads).
  2. domstar

    In praise of the lowly Plossl

    So last night I did part two. I even had a quick look through my Skywatcher 10mm. All three performed well but the Vixen just squeezed past the BCO. There's almost a tiny spike with the BCO which gives my stars an angle, if that makes sense. I'm thinking grease on the eyepiece maybe? Here's what I learnt-1 This was not supposed to be an eyepiece review but more of a 'wow I'm surprised at my new eyepiece' thread. Take my finding with a pinch of salt. 2 Interesting but maybe not totally fair to check out a new eyepiece under unusually favourable conditions. 3 Wow, I'm surprised at my new eyepiece. 4 We all love stargazing so much we'd like to give it some money, but the lowly plossl can be quite a performer and not necessarily a stepping-stone to greater things. 5 The Vixen seems to be really good as maybe other eyepieces are too. 6 Transparency is king.
  3. domstar

    Eyepiece Deleema v.2

    Hi I would just get the scope and enjoy the views. You can upgrade at leisure but the two eyepieces should keep you going for a bit, and then you'll know more about what you need.
  4. domstar


    Hi Cezar @antaeus . Paul @PaulABS might be able to help you.
  5. domstar

    In praise of the lowly Plossl

    Thanks John. I'm wondering if it's because the Vixen was unused and, despite cleaning the BCO, there is enough dirt/grease/dust to make the stars just less than round. I wish I had the vocabulary. I'll try again tonight with both, numb fingers allowing.
  6. As per the last couple of days, the skies are amazingly transparent as only freezing winter skies seem to be. Because of the moon, it's doubles again and because of the cold it's the balcony with mainly a view of Orion. Rigel, Alnitak, Sigma Ori, the Trapezium, Iota Ori were on the list last night along with Beta Mon. I had unsuccessful attempts at Gamma Cet, 30 Ori and 28 Ori along with a long look at Sirius. My question is- Are there any others (not too high e.g Meissa) around Orion (Monocerous is too dim for any meaningful star-hopping)? Any tips on the unsuccessful ones? Is Sirius worth a try at 90x in a 4 inch refractor or is it a waste of time? The E star in the Trapezium is now routine in these skies and I'm 99 percent sure I made the F star last night. Are there any tips for that extra 1 percent of certainty? 10mm at 90x is my weapon of choice. Any experience would be much appreciated. Thanks Dominic
  7. Under spectacularly transparent winter skies, I tried out my 10mm Vixen NPL in my ED100 refractor. I was blown away. I was hunting doubles around Orion because the moon was full and the stars were pinpoint sharp. It gave sharper views than my 10mm BCO and I found that surprising. I like(d) my BCO and maybe the inferior views were because it's used more and despite (or because of) the fact I cleaned it over Christmas. At 90x magnification in my scope it split Rigel with the companion well away from the glare. Although Alnitak had no black sky between the two large stars, it was as close as could be and the two stars could be seen as different colours. Beta Monocerotis was easily split. The views were so good I even spent a while trying for the pup in Sirius. I wasn't successful although I convinced myself I was close to it (is it even possible at 90x in a 4 inch? I'd appreciate some advice). Anyway, I understand that the conditions were unusual. It's also true that I haven't tried it on the moon yet and my BCO is very strong there as would be eyepieces with a larger field of view than 50 degrees. But for 34 pounds new (I unexpectedly won an auction for just over a tenner) I'd be surprised to see it beaten significantly on doubles in my scope. It's true I don't wear glasses but I really think it's a high performing eyepiece and when I go for an 8mm I'm tempted to try another one in place of the Starguider, which I had expected to get.
  8. domstar

    Just walls around an observing area?

    @mikeDnight has a lovely area. I've seen photos. I think it has a permanent pier and a patio area but no roof if my memory is correct.
  9. Wow almost as mind blowing as the size of the universe are flexihexagons. I followed a link in that article. I might have to have a sit down and a think.
  10. domstar

    How has technology changed Astronomy for you

    Hi @John . I'd be interested to know- how did you find Neptune/Uranus the first time? Was it from a magazine? a yearly guide? Did you feel tracking it down was a rare achievement? and was it early in your career or after finding a lot of objects that we would now consider a lot more difficult?
  11. domstar

    Worthy stars.

    @Pig Thanks for that. It's not even 11 o'clock and I've learnt something already. I don't know how I got by without this knowledge for so long. It's so easy too.
  12. domstar

    Worthy stars.

    Great stuff. I was looking up some of your old doubles posts yesterday evening. This has gone into my documents (I hope it works). Thanks. Edit- It doesn't work. Can anyone explain how I save this?
  13. domstar

    How has technology changed Astronomy for you

    @Littleguy80 I would never have guessed your year of birth. I wasn't sure if your user name gave it away or if it was your age at the time you joined SGL .
  14. domstar

    How has technology changed Astronomy for you

    Great point about Neptune. Technology is very important for that. I suppose monthly magazines might have published up to date maps which would work pretty well with Uranus but Neptune is so star-like it would be a real challenge without Stellarium and the like. I'd be interested to hear of anyone you doesn't use technology to look up the location of Neptune and Uranus. The first time I saw Neptune I was awestruck partly because of the distance for a non-shining object, partly because of the way it was discovered, but mostly because of the (guessed) fact that so few people have seen it. Before personal computers it must have been so difficult- I'm guessing very close conjunctions with bright objects would be the way forward. So come on old-timers- Did any of you see Neptune or Uranus without a computer program? Was it the pinnacle of your achievements at the time?
  15. domstar

    17th Jan 19.

    Yes, the next couple of weeks after the moon starts waning are going to be the best of the winter. A clear icy cold snap in late January gives spectacularly transparent skies (here at least). It's truly Orion time. I'm starting to get excited.

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