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ATM spider in the eye

To: atm@shore.net
Subject: ATM spider in the eye
From: Talbert Malone <TM85010@UAFSYSB.UARK.EDU>
Date: Wed, 21 Jul 99 14:52:14 CDT
Reply-To: Talbert Malone <TM85010@UAFSYSB.UARK.EDU>
Sender: owner-atm@shore.net


Until recently, I had done most all of my observing thru a long-focus
refractor(f/15) or reflector(8" f/8). I recently got my 13" f/4.5 going
and am still working with it. One thing I noticed right away is that I see
the spider floating in the middle of the field of view. It moves as I move
my eye and seems to float between me and the image. I had never noticed this
on the smaller long-focus scopes. Is this normal at f/4.5 ? or am I having
collimation problems ?

Follow-Ups:
- Re: ATM spider in the eye
  - From: Dwight Elvey <elvey@hal.com>

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