Re: [APML] OT: Deep M81 (12 Hours) (My image...really!)

["Bobby Middleton" <bobm@koyote.com>]

Many of us film users may not be familiar with deconvolution. I understand 
it can be a powerful tool. Exactly what does it do?
Bobby Middleton

----- Original Message ----- 
From: "Robert Gendler" <robgendler@worldnet.att.net>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Friday, March 11, 2005 6:49 PM
Subject: Re: [APML] OT: Deep M81 (12 Hours) (My image...really!)


> Bobby,
> Thanks. Those are deconvolution artifacts. I usually try to replace the
> deconvolved stars with a separate layer (predeconvolved image) but
> I was so busy with the rest of the image I sort of neglected to fix the
> stars. I'm sure you know what its like....you work so many hours on
> an image that I don't even want to see it for a few days <g>.
> Rob Gendler
> email: robgendler@att.net
> Web Site: http://www.robgendlerastropics.com
> ----- Original Message ----- 
> From: "Bobby Middleton" <bobm@koyote.com>
> To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
> Sent: Friday, March 11, 2005 6:31 PM
> Subject: Re: [APML] OT: Deep M81 (12 Hours) (My image...really!)
>
>
>> Truley one of the best M81's I've seen Rob. What's the bright semi-circle
>> loop with accompanying dark artifact on the right side of most stars seen
> on
>> the high-res images?
>> Bobby Middleton
>>
>>
>> ----- Original Message ----- 
>> From: "Robert Gendler" <robgendler@worldnet.att.net>
>> To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
>> Sent: Friday, March 11, 2005 5:40 AM
>> Subject: [APML] OT: Deep M81 (12 Hours) (My image...really!)
>>
>>
>> > Finally an image I can call my own <g>. This is a composite
>> > image of M81 with data from both my 12.5" RC and a small
>> > contribution from a 20" RC which I was trialing remotely at
>> > New Mexico Skies. Actually the 20" data made a very small
>> > contribution. The luminance is about 8 hours total and RGB about
>> > 4 hours. RGB and 6 hours of luminance from Connectuicut.
>> > http://www.robgendlerastropics.com/M81RCComposite.html
>> >
>> >
>> > Rob Gendler
>> > email: robgendler@att.net
>> > Web Site: http://www.robgendlerastropics.com
>> > _______________________________________________
>> > Astro-Photo mailing list
>> > Astro-Photo@seds.org
>> > http://seds.org/mailman/listinfo/astro-photo
>> >
>>
>>
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