Re: [APML] Another Rho-Ophiuchi/Antares Region

[glenn shaw <glennshaw@alaska.net>]

Frank:

what optics are 9 sigma EX 100-300 APO on 10 inch f10 SCT??? This 
totally confuses me. do you mean a Sigma manufctured camera lens of 100 
to 300 mm focal length, apolcromatic lens mounted on top of a 10 inch 
Schmidt Cassegrain Telescope used as guider?

glenn shaw

Franklin A. Holub wrote:

>I was happy to get some good results from my trip to New Mexico Skies a
>month or so ago (end of April). I have always wanted to shoot this region
>for myself and finally did it - below is the link to my humble attempt. I
>don't think I will ever tire of seeing astrophotos of this region and hope
>others will post more of them!
>
>http://www.my-spot.com/Rho-Ophiuchi.htm
>
>This is a composite of 3 exposures on Fuji Provia 400F (Pushed +1): 20 Min
>(1) 60 Min (2) @ f/4.5 using my Maxxum 9 and Sigma EX 100-300 f/4 APO. The
>sky was as dark and transparent as I have ever seen, however, it was also
>very very windy. Links to larger versions are available at the bottom of the
>page.
>
>Frank
>http://www.my-spot.com
>
>
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>  
>


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