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Ruud

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About Ruud

  • Rank
    White Dwarf

Profile Information

  • Gender
    Male
  • Interests
    Thank you for visiting my profile. Besides astronomy, I take an interest in photography, skepticism, science, maths, podcasts, radio and cycling. I teach mathematics.
  • Location
    the Netherlands
  1. It's exceptional of course. A beauty!
  2. Very nice sketches. Thanks for sharing!
  3. Hi, Extra magnifications means a smaller field of view and an extra big chance that you're pointing next to your target so that you can't see it in your finder. I use the finder to find the area where the target is, not the target itself. That I see in the main scope once the finder points to the right area. The best finder for me is the SkyWatcher 6x30 RACI with a view of 7.5°. Here's how you find the Ring Nebula with an 8x50 finder. The start is at Vega. These circles are 5.4° wide. I get quicker results with my new 6x30 7.5° finder
  4. It's amazing Agnes, the way you talk about your eyepiece is just how I feel about my girlfriend.
  5. Wonderful images, Adam, and an attractive, artful presentation. Thanks for sharing!
  6. I had no idea, Steve. It's weird, I wasn't doing a search or anything. Don't know why I ended up in this thread. Stranger things have happened though!
  7. Hi Rob, welkom.
  8. For imaging with the zenithstar it might be better to use a Barlow instead of a powermate or similar extender. A Barlow will at least partially compensate for the field curvature of a refractor. (I'm not sure what a powermate does in terms of focal plane flatness.)
  9. These are fantastic images. That's a fine camera!
  10. I think it may be the seeing that limits your observations. Check the link for Palmerston North. The seeing there is somewhere between 1 and 2 arc seconds as I post this. Larger telescopes are hindered more by less than perfect seeing. That is because in the wide column of air you're looking through there's more traffic of warm bubbles rising and cold ones sinking. https://www.meteoblue.com/en/weather/outdoorsports/seeing/palmerston-north_new-zealand_2185018 I just took a town in the region, you'll have to fill in your own for an improved forecast. If you want to observe planets or the Moon in better detail, try using an off centre aperture mask. That narrows the column of air you're looking through and takes the secondary mirror out of the equation.
  11. Ooh, I didn't expect that snake! So nice! I mean, the Sun is nice as well, but ... .. a bit boring maybe? Only in comparison of course. You're an artist.
  12. Johnygail, do you already have a copy of stellarium? get it from www.Stellarium.org "Stellarium is a planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free." It's good for getting to know the sky and planning your observations. If you use Windows you'll find a manual after installation in the folder C:\Program Files\Stellarium\guide
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