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Summertime Skies
Posted By: DeadJohn, 06-25-2017, 03:06 PM

Summer = Sagittarius, the best part of the Milky Way I can view within an hour drive from home. This is a fun section of the sky to photograph, scan with binoculars, or study with a telescope.

The purple glowing area just below center is the Lagoon Nebula. Many other nebulas and star clusters throughout the photo. The bright spot near right edge is Saturn.


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06-25-2017, 04:49 PM   #2
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Very nice. When I see photos like this one I want to try astrophotography. We should be in a couple of dark areas, including a dark skies reserve, in the next month, so it would be fun to try this. I guess I need an O-GPS1?
06-25-2017, 05:17 PM   #3
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QuoteOriginally posted by IgorZ Quote
I guess I need an O-GPS1?
You can manage without the O-GPS1 if you stick to wide angle. What wide lenses do you have?

ISO 1600, 30 seconds, 15mm is a good starting setting with a crop sensor. Shoot DNG and expect to process things later to bring out details.
06-25-2017, 06:02 PM   #4
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QuoteOriginally posted by DeadJohn Quote
You can manage without the O-GPS1 if you stick to wide angle. What wide lenses do you have?

ISO 1600, 30 seconds, 15mm is a good starting setting with a crop sensor. Shoot DNG and expect to process things later to bring out details.
I have irix 15mm. Haven't tried ISO 1600 with my K5 yet...

06-25-2017, 08:25 PM   #5
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QuoteOriginally posted by IgorZ Quote
I have irix 15mm. Haven't tried ISO 1600 with my K5 yet
Here's an ISO 3200 sample from my K-5, no O-GPS1 or other tracking. I was using the Samyang 14/2.8. ISO 3200 is noisy but usable. I probably could have gotten identical results with 1600 and different processing. Let me emphasize that this is not straight out of the camera. I use Lightroom too adjust white balance, black point, white point, contrast curve, clarity, sharpening, and noise.

06-26-2017, 01:26 PM   #6
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QuoteOriginally posted by DeadJohn Quote
Here's an ISO 3200 sample from my K-5, no O-GPS1 or other tracking. I was using the Samyang 14/2.8. ISO 3200 is noisy but usable. I probably could have gotten identical results with 1600 and different processing. Let me emphasize that this is not straight out of the camera. I use Lightroom too adjust white balance, black point, white point, contrast curve, clarity, sharpening, and noise.

Great! Thanks a lot. Will try to do some astrophotography!
06-26-2017, 04:00 PM   #7
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I love that shot. I have been getting into it lately, results are so-so. Probably down to lens as much as anything, using an 18-125mm Sigma zoom. I swear i havw an old 14mm Pentax SMC around, but can't find it to try. Work is certainly required in ightroom for these shots--I remember the first " trial" shot i took just a couple of months ago, thought it badly underexposed until PP, and it still remains the best I have taken.



06-27-2017, 07:07 PM   #8
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Very nice! I should try my DFA 100 macro on the southern sky. Although it's the 150-450 that I'm keen to try, I don't have a suitable tripod for it.
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