Re: (IAAC) Obj: NGC2903 - Inst: 30cm f/10 MEADE LX200

could you delete my email address.
>From: Lew Gramer <dedalus@latrade.com>
>Reply-To: netastrocatalog-announce@jovian.com
>To: Internet Amateur Astronomers Catalog - Discussion 
>CC: Lew Gramer (me) <dedalus@alum.mit.edu>
>Subject: Re: (IAAC) Obj: NGC2903 - Inst: 30cm f/10 MEADE LX200
>Date: Thu, 12 Apr 2001 15:25:03 -0400
>MIME-Version: 1.0
>Received: from [] by hotmail.com (3.2) with ESMTP id 
>MHotMailBC9F4CDA009D4004388CCC39321440D30; Thu Apr 12 12:28:30 2001
>Received: (from majordomo@localhost)by venus.jovian.com (8.8.7/8.8.7) id 
>PAA23576for netastrocatalog-announce-outgoing; Thu, 12 Apr 2001 15:20:49 
>Received: from neptune.jovian.com (root@neptune.jovian.com 
>[])by venus.jovian.com (8.8.7/8.8.7) with ESMTP id PAA23573for 
><netastrocatalog-announce@venus.jovian.com>; Thu, 12 Apr 2001 15:20:44 
>Received: from pinthas.latrade.com (pinthas-2.latrade.com [])by 
>neptune.jovian.com (8.8.7/8.8.7) with SMTP id PAA21016for 
><netastrocatalog-announce@jovian.com>; Thu, 12 Apr 2001 15:25:55 -0400
>Received: by pinthas.latrade.com; (5.65v4.0/1.3/10May95) id AA05620; Thu, 
>12 Apr 2001 15:25:21 -0400
>Received: from somewhere by smtpxd
>From owner-netastrocatalog-announce@venus.jovian.com Thu Apr 12 12:30:18 
>X-Authentication-Warning: venus.jovian.com: majordomo set sender to 
>owner-netastrocatalog-announce@jovian.com using -f
>Message-Id: <200104121925.AA27636@trillian.dev.latrade.com>
>X-Mailer: exmh version 2.0gamma 1/27/96
>In-Reply-To: Your message of "Thu, 05 Apr 2001 22:00:59 EDT."             
>X-Mts: smtp
>Sender: owner-netastrocatalog-announce@jovian.com
>Precedence: bulk
> >(After dark adaptation I covered the observing eye for a minute or two, 
> >quickly looked at the galaxy and the spiral structure is visable for a 
> >then fades into a featurless oval with a brighter nucleus, this can be 
> >several times before fatigue overcomes the detail)
>Jim, I wanted to thank you for contributing your fine, detailed logs with 
>30cm SCT... Also, I was intrigued by the above comment, regarding loss of 
>light sensitivity *while* looking through the eyepiece! What do you think 
>the causes of that effect in this particular case? Was it that stray light 
>your observing location was seeping into your eye during the observation? 
>perhaps light being scatter down the tube of the SCT from some distant 
>trespass source? If it was either of these, then shielding may help you to 
>more detail in future! (Adding a longish dew shield to the front of your 
>to avoid light scatter; or covering your whole head with a black 
>cloth, if light seepage was a problem.)
>Or is it possible that the effect you describe was actually due to a bright
>field star, or true sky brightness in the field of view? If this is the 
>I'll have to confess that I've never noticed this effect! But your solution
>of applying the eyepatch for a while, then quickly looking through the eye-
>piece to capture glimpses of detail sounds like a good approach.
>Clear skies, Jim, and thanks again for the logs!
>Lew Gramer <owner-meteorobs@jovian.com>
>To UNSUBSCRIBE from the 'netastrocatalog' lists, use the Web form at:
Get your FREE download of MSN Explorer at http://explorer.msn.com
To UNSUBSCRIBE from the 'netastrocatalog' lists, use the Web form at: