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Old 23-04-2012, 12:02 AM
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naskies (Dave)
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Scorpius, Corona Australis, and Crux from Leyburn

Hi all,

I visited Leyburn for the first time last night with a few friends from IIS.

Seeing wasn't the greatest and the fog + airglow was pretty thick, but thanks to the cooler weather I finally managed to get more signal than noise on my longer exposure tracked DSLR shots (click on links for larger versions):


1. Scorpius and the Milky Way: 19x 181 sec (57 mins total), f/2.8, ISO 800 subs taken with a stock Canon 5DmkII + 24 mm f/1.4L II mounted on an Astrotrac.

2. Corona Australis: 11x 181 sec (33 mins total), f/4, ISO 1600 subs taken with a stock Canon 5DmkII + 100 mm f/2.8L IS Macro mounted on an Astrotrac. This one definitely needed more data.

3. Crux and Lambda Centauri Nebula: 15x 182 sec (45 mins total), f/4, ISO 1600 subs taken with a stock Canon 5DmkII + 100 mm f/2.8L IS Macro mounted on an Astrotrac.


All shots stacked in DSS (lights only - no darks/flats/bias) and processed with PS CS5 and GradientXTerminator. Thanks for looking!


Cheers,

Dave
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Last edited by naskies; 23-04-2012 at 01:14 AM.
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Old 23-04-2012, 10:44 AM
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An interesting dreamy feel about these images. Maybe the star halos are just a little too big, but overall lovely colouring and processing.
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Old 23-04-2012, 11:27 AM
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Very nice, Dave. They have a great feel to them.

My subs at 530mm focal length are a bit fuzzy as well. I might have been better off bringing a DSLR instead of the FSQ-106ED

Cheers,
Rick.
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Old 23-04-2012, 06:26 PM
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Fantastic Dave.

I love image 1! Wow.

The 5D2 still has a lot of life left in it eh?

Greg.
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Old 23-04-2012, 06:48 PM
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I agree about the star halos, No 1 is a bit of a cracker though!!
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Old 24-04-2012, 06:20 PM
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Thanks guys! The fog was extremely thick, causing the huge stars, but the curves probably could have been fine tuned a bit more for the highlights.

I've never been happier with a camera than my 5DmkII... even better now with the cool weather. I constantly have to resist the urge to mod it (but terrestrial/people photography is a greater priority for me).

Here's a quick stitch from the Leyburn site (I'm still testing the trial version of AutoPano Giga) - larger version here. It was a great experience to see everyone busy imaging away under the Milky Way.

Oh well, back to all the study... hope to see everyone's amazing work again after exams!
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Old 25-04-2012, 09:59 AM
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Great series. Love the fat coloured stars. Outlines the asterism nicely. It's like bold fonts for stars. Bit of formatting.
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