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Old 23rd of July 2012 (Mon)   #1
lifeofbrian2007's Avatar
Join Date: Apr 2012
Location: Mytchett, Surrey
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Default Milky way DSS fail, but why?

Last night i took about 10 pics of the milky way using a 20 second shutter speed at 18mm, but i got the "only one image will be staked" error in deep sky stacker, and also no stars detected. Is 20 secs too long an exposure facing south on a fixed tripod? Or is it that my pics are out of focus, or both? I'll try again tonight with a shorter exposure and try it in DSS to make sure it detects some stars, it stacked on 8 secs before.

Canon 550D 18-55mm fixed tripod.

Is this out of focus?

Canon 550D 18-55mm, 55-250mm, Canon EF 35-80MM 1:4-5.6 III Macro Conversion, Slik Easi-Glide tripod with 506qf head, Tamrac Evolution 6 Sling Backpack

Last edited by lifeofbrian2007 : 23rd of July 2012 (Mon) at 09:54.
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Old 24th of July 2012 (Tue)   #2
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Location: Perth, Australia
Posts: 540
Default Re: Milky way DSS fail, but why?

Yes, the image is out of focus
500D, Speedlite 430EX II, Lens : 15-85mm; 50mm F1.8 II; 100mm F2.8L IS Macro; 70-200mm F4L; Samyang 8mm F3.5
U/W : G11, OEM Housing, Inon S2000, Inon D4 Tray, Inon UCL-165 Close up lens
Astro : Modded 1100D, ES 80ED, Skywatcher HEQ5 Mount, Astrotrac TT320X-AG, Astronomik CLS Clip in filter
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Old 31st of July 2012 (Tue)   #3
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Default Re: Milky way DSS fail, but why?

Looks fuzzy to me.
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Old 20th of September 2012 (Thu)   #4
Join Date: May 2012
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Default Re: Milky way DSS fail, but why?

I can tell it is out of focus. Most of the stars are a bit blurry or fuzzy in my point of view.
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