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08-06-2014, 01:53 PM - 1 Like   #31
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A new picture,
The Arch... Milky Way
Pentax K3 Sigma 18mm f/18 iso2200 10s


08-06-2014, 02:34 PM   #32
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Very nice!

Jack
08-06-2014, 08:13 PM   #33
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Could you guys recommend a good book/website for astrophotography? I'd love to try it with my K-3 soon!
08-07-2014, 10:33 AM   #34
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QuoteOriginally posted by jbinpg Quote
Very nice!

Jack
Thanks !


QuoteOriginally posted by Outis Quote
Could you guys recommend a good book/website for astrophotography? I'd love to try it with my K-3 soon!
1 website : Camera Settings for Astrophotography
For french people i've some book, but i don't know if they have been translated in english

08-07-2014, 10:41 AM   #35
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QuoteOriginally posted by ZeGaby Quote
Thanks !




1 website : Camera Settings for Astrophotography
For french people i've some book, but i don't know if they have been translated in english
I can read French, so recommend away!
08-07-2014, 11:54 AM   #36
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QuoteOriginally posted by Outis Quote
I can read French, so recommend away!
Photographier le ciel en numérique de Patrick Lecureuil

Astrophotographie Broché de Thierry Legault
08-17-2014, 10:47 AM - 2 Likes   #37
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Blacker skies are returning so it was time to get out the tracking mount. Comet Jacques is well-placed at my latitude in the constellation Camelopardalis the Giraffe so it was the first target. 23 frames totalling 7 minutes 8 seconds stacked in DeepSkyStacker 3.3.4 Taken with the DA*300 at f/4.5 - Jack
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08-20-2014, 01:54 PM   #38
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QuoteOriginally posted by Outis Quote
Could you guys recommend a good book/website for astrophotography? I'd love to try it with my K-3 soon!
There are different types of astrophotography, but I highly recommend this book. The Deep-sky Imaging Primer: Charles Bracken: 9781481804912: Amazon.com: Books

08-23-2014, 06:04 PM   #39
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Here's another book that's relatively new and pretty nice. I picked it up 2 months ago: Photography Night Sky: A Field Guide for Shooting After Dark
08-23-2014, 11:53 PM   #40
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Clear skies and an almost new moon meant I also was out shooting the stars last night. Both of these single frame shots were with the K-3 and the DA*300, f/4.5, around 20 seconds. The comet was ISO6400 and the galaxy ISO3200. - Jack




08-29-2014, 12:58 PM   #41
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Focussing

Any tips on achieving accurate focus - in my first attempt I thought that Live View would work, but the view was so noisy I couldn't see anything clearly.
David
08-29-2014, 01:19 PM   #42
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Bahtinov Mask. You can find it in astronomy stores.
08-29-2014, 02:37 PM   #43
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In the absence of a B. mask, I have found with my K-3 and K5Iis that the best focus is obtained by targetting a 1st or 2nd magnitude star in Live View then magnifying 10x with focus peaking turned on. I was not much of a focus peaking believer for astro work until I started using it and found that it indeed does help find best focus. The better the seeing, the better will be your focus acquisition. One thing to remember is that every DA lens made focuses past infinity so you cannot just rack the lens out all the way and expect to acquire infinity. You will need to do the focus dance before every session with newer lenses. One reason I love doing wide field with my old Tak 135 is that it really does acquire infinity at the end of its focus travel.

Jack
08-30-2014, 08:55 AM - 4 Likes   #44
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So here i am... from a side to another !



Made this picture with a particular process :
Two series of 15s f/2.0 shoot, One with 3200iso and a second with 6400iso
08-30-2014, 09:19 AM   #45
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Wow. Nice stitch!
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