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About zhgutas

  • Rank
    Proto Star

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  • Location
    54°54′N, 23° 56′E
  1. Hiya all. Short version of the question - can I make my solar filter square, and will that affect the view in any negative way? To elaborate: I have bought a piece of Baader astro solar film (10x15CM) for my ST80, but then decided, why not use it for my ST120 instead.? The problem: there is, of course, not enough material to make it a full aperture circular filter, ant I would prefer not wasting any by making a mask with a smaller circular filter. Is it possible to mount a full square piece, that way, gaining several square centimeters of aperture? I'm attaching a really crude drawing of what
  2. Insanely cool isn't it? Olly, I guess by "big" you mean no less than 20" eh?
  3. unfortunately there is no cable for D70 :? only IR, which isn't convenient for astro at all! I'm hoping to soon get my hands on a D5000, so we'll see how that goes
  4. zhgutas


  5. Thanks armicheal. wish it wasn't so hard to get a focus on dslr, it was literally trial and error, and I've spent like 4/5 of a time trying to get it right. i guess liveview would've helped here a lot
  6. Something weird happened yesterday,and the sky was absolutely clear in midday, with only a slight breeze So I went up on the roof to have my best-so-far sun viewing session with ST80 (baader solar film on an aperture mask, so effectively ST40 ). I was amazed the detail I could see with such a modest aperture and magnification (using ED8 eyepiece). I could even see the brighter faculae here and there, surrounded by darker areas . and all this with my trusty ST80 and a tiny piece of "tinfoil"? wow. today wasn't so good, as thin cloud was covering the entire sky and the wind was blowing like
  7. thick haze all over here and it was level 10 earlier this evening according to NOAA POES ;(
  8. well I've been out the other night at -21C, and I had to put quite some effort and force into manually moving my HEQ5, so I'd think that's the limit for me.. don't know if it's the grease acting up, or just the metal itself shrinking after cooling.
  9. didn't have a chance to use mine for like forever, so a clear sky the other night i though what a heck, I'd pull my 200p out to the balcony just to let it get some fresh air. got about 20 minutes of viewing after cooling, and realised I could barely move the OTA around, cause the gears were so stiff for some reason. checked the thermometer.. alrighty.. -23C. ouch..
  10. you can do a whole lot with that setup Jeremy! clear skies!
  11. breathtaking Danilo.. absolutely amazing. P.S. just checked your other work, all of them are absolutely brilliant .. congrats
  12. tried this with a couple of screws today, really works! actually, even one screw makes a huge difference (I ain't gonna try my luck with one screw though,no ). of course it would help having a full-length angled section on the mount as in my sketch, but heq5 effectively only gives two points of attachment on the angled side, both 2cm wide, so have to the get screws as close together as possible. gonna try that properly for sure. Thanks a lot Peter!
  13. I imagine it's something like this? (yeah, very skillful work with sketchup, I know ) the blue thingies represent screw heads btw.
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