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Re: [ATM] Cassegrain vs. Gregorian (secondary testing)

To: "atmlist" <atm@atmlist.net>
Subject: Re: [ATM] Cassegrain vs. Gregorian (secondary testing)
From: "Bob May" <bobmay@nethere.com>
Date: Sun, 29 Aug 2004 10:30:33 -0700
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References: <412C0F0F.80602@rcn.com><005101c48a67$a58d9340$0200a898@p120> <412C24B5.2060805@rcn.com><001d01c48ac9$f2e88200$0200a898@p120> <4130D057.6030601@rcn.com><004401c48d49$729653c0$0200a898@p120><4130F6C1.6090302@rcn.com><000c01c48dcd$7668faa0$1ac960cb@yourwxrsc38umf>
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Malcom, it sounds like you did a large magnification in the secondary,
probably too large for the scope.  Large magnifications do make for a nice
small secondary but then you don't have any room for relatively low power
views as the focal length is just way too high.
Bob May
http://nav.to/bobmay
bobmay@nethere.com
NEW! http://bobmay.astronomy.net


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References:
- [ATM] Cassegrain vs. Gregorian
  - From: "Richard F.L.R. Snashall" <rflrs@rcn.com>
- Re: [ATM] Cassegrain vs. Gregorian
  - From: "Bob May" <bobmay@nethere.com>
- Re: [ATM] Cassegrain vs. Gregorian
  - From: "Richard F.L.R. Snashall" <rflrs@rcn.com>
- Re: [ATM] Cassegrain vs. Gregorian
  - From: "Bob May" <bobmay@nethere.com>
- Re: [ATM] Cassegrain vs. Gregorian (secondary testing)
  - From: "Richard F.L.R. Snashall" <rflrs@rcn.com>
- Re: [ATM] Cassegrain vs. Gregorian (secondary testing)
  - From: "Bob May" <bobmay@nethere.com>
- Re: [ATM] Cassegrain vs. Gregorian (secondary testing)
  - From: "Richard F.L.R. Snashall" <rflrs@rcn.com>
- Re: [ATM] Cassegrain vs. Gregorian (secondary testing)
  - From: "Malcolm Macdonald" <toliman@wave.co.nz>

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