Re: (IAAC) FWD: What should I buy? (rich field scopes)

• To: netastrocatalog-announce@latrade.com
• Subject: Re: (IAAC) FWD: What should I buy? (rich field scopes)
• From: Mel Bartels <mbartels@efn.org>
• Date: Wed, 17 Jun 1998 16:53:19 -0700
• Organization: Eugene Freenet
• References: <00cb01bd9a3d$e03823a0$ee9efbd0@sue-alanfrench>
• Reply-To: netastrocatalog-announce@latrade.com
• Sender: owner-netastrocatalog-announce

Hmm,

Just a comment that off-axis imaging on planetary detail is limited
because the area where coma/astigmatism is under 1/4 wavefront is only
several arcminutes across at f/5 or so.

--
Clear skies, Mel Bartels // Programmer/Analyst, amateur astronomer
Springfield, Oregon,     // USA homepage: http://www.efn.org/~mbartels
mailto:mbartels@efn.org  // atm, atm-digest list-owner
Motorize A Dob: http://zebu.uoregon.edu/~mbartels/altaz/altaz.html

• Re: (IAAC) FWD: What should I buy? (rich field scopes)
• From: "Sue and Alan French" <sue_and_alan_french@msn.com>

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