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Found 2 results

  1. Does anyone here use eye glasses *only* for astronomy? I'm a young guy with good eye sight. But here's a story that makes me wonder if I need eye glasses. I went to Death Valley National Park in early November last year (2017), just about three weeks after Uranus was at opposition. I set up a modest (~2 inch) telescope I had borrow from a friend at Ubehebe Crater, which is at the northern end of the park. The northern end of park has a virtually perfect sky. If you check lightpollutionmap.info, this site is a Bortle class 1 sky, artificial brightness = 0.17 ucd/m^2. In other words, this was the best possible place and time to see Uranus. In fact, I did find Uranus, but only with the aid of the telescope and a star chart app that told me exactly where to look. The app had enough background stars that I could identify Uranus through the scope, and it had the same blue color as in Voyager pictures. (Later that night I even found Neptune!) But I also wanted to see Uranus with my unaided eye. This was my best chance, and how cool would that be, to say you really saw the seventh planet with your own bare eyes? Unfortunately, even when I knew exactly where to, I had no such luck. Some of the main stars in Pieces (where Uranus was) were even so dim that I could barely see them with averted vision (and even then I had to kinda wonder if I was only imagining seeing them). Why I couldn't see Uranus near opposition in Death Valley, with a clear, dry sky and no light pollution and knowing exactly where to look? My best guesses are (1) vision problems and (2) eyes never fully dark adjusting. 1) I'm in my late 20s and don't wear glasses. Last I checked, I had 20/20 vision. But maybe I've become very subtly near sighted (my job involves staring at a computer screen all day). 2) I was checking the star chart app fairly frequency to orient myself. Maybe my vision never fully adjusted? I think I must have gone at least 20 minutes without looking, which should be enough to fully adjust? I've also had some difficultly seeing M31 and other "easy" targets with the naked eye. I really don't think I can get a prescription for eye glasses from the doctor, because I see fine in daily life and had mine checked about a year ago (no problems). So my question: Does anyone here use eye glasses *only* for astronomy? If so, where do you get a good pair? I really want to experience the joy of astronomy with my bare eyes and not just the telescope. If anyone has insights here, please let me know. Thanks everyone!
  2. Hi there I am searching for an eyepiece in the 82 degree AFOV arena suitable for eyeglass wearers. I have astigmatism (Left -3.25, Right -2.25) left eye is dominant. I really like the look of the 26mm Nagler T5, however it's listed as 16mm eye relief, and I have some concerns that this might not be sufficient ER for my use. Anybody out there ever used the 26mmT5 with eye glasses? If the T5 isn't going to do the job, can someone recommend a suitable alternative? I already have the Televue 32mm Plossl and had thought about the 31mm Nagler T5 as a potential replacement, however the 32mm is a recent purchase and I would prefer to hold on to it for a while yet. Telescope is an 8" EdgeHD. Kind Regards Paul J.
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