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Re: [Stellarvue] Re: UPdate on SV110 vs 12 inch reflector

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  • geekkopf
    And the ears have a tendency to bump against the secondary spider - affecting alignment.   ... [Non-text portions of this message have been removed]
    Message 1 of 9 , May 2, 2012
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      And the ears have a tendency to bump against the secondary spider - affecting alignment.
       


      >________________________________
      >From: "vic@..." <vic@...>
      >To: Stellarvue@yahoogroups.com
      >Sent: Wednesday, May 2, 2012 7:56 AM
      >Subject: [Stellarvue] Re: UPdate on SV110 vs 12 inch reflector
      >
      >My problem is that the reflector hat I wear when using a Dob just does not make me look very credible. I am now thinking that it is a good thing we didn't widely publicize the April 1st sale.
      >
      >Vic Maris
      >
      >--- In Stellarvue@yahoogroups.com, Chuck Gulker <cgulker@...> wrote:
      >>
      >>
      >> I too hope you get your 12 up to speed.  A 110 refractor is a 'pea shooter' compared to a good 12 inch reflector.
      >> Chuck
      >>
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      >>                           
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      >> [Non-text portions of this message have been removed]
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      >
      >
      >
      >
      >------------------------------------
      >
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      >
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      >
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      [Non-text portions of this message have been removed]
    • isogroup2000
      It s the Optics Wave Labs (OWL). They have a half-price sale on coatings with free testing.
      Message 2 of 9 , May 2, 2012
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        It's the Optics Wave Labs (OWL). They have a half-price sale on coatings with free testing.

        --- In Stellarvue@yahoogroups.com, robert crews <crew9702@...> wrote:
        >
        > Do you mind telling which company you're having test, re-figure and re-coat your
        > mirror ?
        >
        > Bob Crews
        > Louisville Ky
        >
        >
        >
        >
        > ________________________________
        > From: isogroup2000 <clementsrb@...>
        > To: Stellarvue@yahoogroups.com
        > Sent: Tue, May 1, 2012 8:47:56 PM
        > Subject: [Stellarvue] UPdate on SV110 vs 12 inch reflector
        >
        > Quick Update,
        >
        > Sent out the mirror from the 12 inch reflector being used in my now 18 month
        > long shoot out with the SV 110 ED.  No clear winner, yet. The coating company
        > tested it and found it to be a whole 1/2 wave in accuracy with the S ratio being
        > 0.50.  No wonder it couldn't overwhelm the 110.
        >
        > Anyhow, it is being refigured to 1/10th wave and should be back for the second
        > round of competition.
        >
        > Meanwhile, the new 50mm APO looks very interesting for my next project of crazy
        > astro-stuff...putting a refractor into space...turns out it doesn't cost a lot
        > to loft something into low Earth orbit these days.  I was at Purdue a couple of
        > weeks ago getting advice from the Engineering department on how to keep it
        > stable enough to get photos of the Moon.  That's the only hard part.  Just
        > connect iPhone to refractor, boast the signal, have a light detector pick out
        > the Moon, and fire away.  The phone can call home with photos....
        >
        > BTW...has anyone actually tried this?  I know the high-altitude balloon people
        > have...
        >
        > Rick (Yep, winters are long) in Michigan
        >
        >
        >
        > ------------------------------------
        >
        > To unsubscribe, send an email to:
        > Stellarvue-unsubscribe@egroups.com 
        >
        > Remember: the archives are a rich source of information and they are searchable.
        >
        > Yahoo! Groups Links
        >
        >
        >
        > [Non-text portions of this message have been removed]
        >
      • Scott in NC
        Uh oh... ... From: isogroup2000 Sent: 2 May 2012 21:54:49 GMT To: Stellarvue@yahoogroups.com Subject: [Stellarvue] Re: UPdate on SV110 vs 12 inch reflector
        Message 3 of 9 , May 2, 2012
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          Uh oh...

          -----Original Message-----

          From: isogroup2000
          Sent: 2 May 2012 21:54:49 GMT
          To: Stellarvue@yahoogroups.com
          Subject: [Stellarvue] Re: UPdate on SV110 vs 12 inch reflector

          It's the Optics Wave Labs (OWL). They have a half-price sale on coatings with free testing.

          --- In Stellarvue@yahoogroups.com, robert crews <crew9702@...> wrote:
          >
          > Do you mind telling which company you're having test, re-figure and re-coat your
          > mirror ?
          >
          > Bob Crews
          > Louisville Ky
          >
          >
          >
          >
          > ________________________________
          > From: isogroup2000 <clementsrb@...>
          > To: Stellarvue@yahoogroups.com
          > Sent: Tue, May 1, 2012 8:47:56 PM
          > Subject: [Stellarvue] UPdate on SV110 vs 12 inch reflector
          >
          > Quick Update,
          >
          > Sent out the mirror from the 12 inch reflector being used in my now 18 month
          > long shoot out with the SV 110 ED. No clear winner, yet. The coating company
          > tested it and found it to be a whole 1/2 wave in accuracy with the S ratio being
          > 0.50. No wonder it couldn't overwhelm the 110.
          >
          > Anyhow, it is being refigured to 1/10th wave and should be back for the second
          > round of competition.
          >
          > Meanwhile, the new 50mm APO looks very interesting for my next project of crazy
          > astro-stuff...putting a refractor into space...turns out it doesn't cost a lot
          > to loft something into low Earth orbit these days. I was at Purdue a couple of
          > weeks ago getting advice from the Engineering department on how to keep it
          > stable enough to get photos of the Moon. That's the only hard part. Just
          > connect iPhone to refractor, boast the signal, have a light detector pick out
          > the Moon, and fire away. The phone can call home with photos....
          >
          > BTW...has anyone actually tried this? I know the high-altitude balloon people
          > have...
          >
          > Rick (Yep, winters are long) in Michigan
          >
          >
          >
          > ------------------------------------
          >
          > To unsubscribe, send an email to:
          > Stellarvue-unsubscribe@egroups.com
          >
          > Remember: the archives are a rich source of information and they are searchable.
          >
          > Yahoo! Groups Links
          >
          >
          >
          > [Non-text portions of this message have been removed]
          >




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