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Re: [APML] autumn milky way



Wei-Hao,

Looks like your transparency was excellent.  The only
residual vignetting seems to be in the lower left
corner, and its very slight.  The red sensitivity of
that film is outstanding.  Not only that but IC63/59
is clearly visible near gamma cass.  

Chris Schur
--- Wei-Hao Wang <whwang@gmail.com> wrote:

> Hi everone,
> 
> It has been a few months since last time I took
> pictures.  I just realized 
> that I still have a picture from this summer not
> being scanned.  I scanned
> it and did a quick process.  Here it goes:
> 
>
http://www.ifa.hawaii.edu/~wang/gallery/picutres/autumn_mw-2004.htm
> 
> The vignetting pattrern removal is a combined effort
> in PixInsight and 
> PhotoShop.  The background model was generated in
> PixInsight and then
> subtracted from the original image in PhotoShop. 
> The most challenging
> task in the image processing is curve stretching. 
> E100S has very high
> S/N and a dynamical range far exceeding my monitor's
> capability.  I 
> cannot figure out a perfect way to demonstrate the
> depth on the slides
> and in the 16bit image.  Perhaps I just didn't try
> hard enough.
> 
> I don't think this is a flawless image.  Hope I will
> have time to reprocess
> this image soon.  Any comments are welcome.
> 
> ALOHA,
> 
> Wei-Hao
> 
> -- 
>
________________________________________________________________
> Wei-Hao Wang  :)
> 
> Institute for Astronomy at University of Hawaii
> 
> Address:                       
> 2680 Woodlawn Drive         Personal Website:
> Honolulu, HI 96822            
> http://www.ifa.hawaii.edu/~wang
>
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