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About Ovi

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    Timisoara, Romania
  1. Unmodded DSLR block around 75% of Ha signal IIRC so it wouldn't really make sense to use an Ha filter with one.
  2. What dual bandpass filter would you recommend?
  3. Hello! I have a modified Canon 60D, Nikkor 135mm f/2.8 lens and Omegon MiniTrack LX2 tracker. Would 1 min long exposures (the limit with my mount) be enough to collect meaningful Ha data? Thanks!
  4. Ovi

    Canon 50mm 1.8

    Which version is it?
  5. Most sites I've seen are based in the US and the import taxes are as expensive as the blank itself. Thanks in advance!
  6. Maybe it's this one: http://astronomy.tools/calculators/field_of_view/
  7. On the morning of the March 18th the Moon, Mars, Jupiter and Saturn will be seen close to each other. Hopefully the weather will be good
  8. I bought a 9x50 Right Angle Sky-Watcher finder, an RA motor and a Seben 9-24mm eyepiece. Unfortunately the motor wasn't in stock and I'll have to wait something like 2 more weeks. (a somewhat late) Merry Christmas to you all!
  9. Now that I think about it, Betelgeuse really looks like it's dimming. I remember it being almost as bright (if not as bright) as Rigel. Now it looks like Rigel is twice as bright. I've sent quite some time wondering how it would look if Betelgeuse went supernova although it's quite unlikely it will in our lifetime
  10. Very nice! What were the steps you took to edit it?
  11. Ovi

    Hello from West London

    Hi Neal! Welcome to the forum!
  12. Hi, Dan! Welcome to the forum!
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