----- Original Message -----
From: "Matt Thomas" <
groupmail@astromatt.com>
To: <
ccd@listserv.wwa.com>
Sent: Saturday, November 20, 2004 8:37
AM
Subject: Re: [CCD] IC5146 Cocoon Nebula in Halpha (18"
cassegrain)
> Richard,
>
> Very nice. I'm sure
some decon would sharpen things up!
>
> -Matt Thomas
>
http://www.astromatt.com/>
> Saturday, November 20,
2004, 3:46:14 AM, Richard Crisp wrote:
>> this was shot at 0.64
arc-sec/pixel from the 18" Classical Cassegrain
>> (F=5760mm,
f/12.46) with an IMG6303E camera binned 2x2
>
>> the image is
11 x 20 minutes through a Schuler Halpha filter (9nm FWHM):
>> 3hrs
40min total
>
>> Guiding was via AO7 /ST7e via an RCOS Dichroic
Beam Splitter
>
>> I didn't do any deconvolution, perhaps I
should have: what do you think?
>
>>
http://www.narrowbandimaging.com/ic5146_cocoon_18inch_page.htm>
>>
Richard
>
>