Re: [APML] M16 and M17

[lkt <tan@cox.net>]

John,

 Thats a very deep M57. What did you use to align the RGBs. It appears
to be slightly misregistered. I have found that sometimes, the CCD
registration routines are no where near as good as Registar.

Loke



"John C. Mirtle" wrote:
> 
> Much better Loke, a beautiful image! To guide my M16 I used a Lumicon 2"
> Newtonian guider, a 2.8X relay/diagonal, a 12mm Meade eyepiece and an
> eyeball. I still use all this stuff today, including the eyeball, though I
> am starting to use an ST4 to replace it from time to time. It's been getting
> harder and harder to keep the eyeball open and functioning properly as it is
> getting older, and - of course - the warranty has now expired. :-) My 8" f6
> Newt is now the only scope I use when I am not out Schmidting. I built it in
> '89, and it has consistently given the best results of all the scopes I have
> owned. Here is a quick eyeball guided image taken last Friday night -
> http://members.shaw.ca/john.mirtle/m57.htm  (under poor seeing)
> 
> John Mirtle
> Calgary, Ab. Canada
> 
> ----- Original Message -----
> From: "lkt" <tan@cox.net>
> To: <astro-photo@seds.org>
> Sent: Thursday, June 20, 2002 12:36 AM
> Subject: Re: [APML] M16 and M17
> 
> > John, Dan,
> >
> >  Thanks, you're both right, I have the image reversed. I have fixed it
> > now so you can reload if you wish. I also remooved some of the blueish
> > background. John, how did you guide your 8" f/6 Newt for your image? Do
> > you still use this scope much? Thanks.
> >
> > Loke
> 
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