September 02, 2014, 11:26:24 PM

Author Topic: Stars above.  (Read 24905 times)

tomscott

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Re: Stars above.
« Reply #60 on: November 07, 2013, 08:02:27 AM »
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Re: Stars above.
« Reply #60 on: November 07, 2013, 08:02:27 AM »

Sporgon

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Re: Stars above.
« Reply #61 on: November 13, 2013, 04:04:24 PM »
Practising for a moonlight landscape that I have in mind.

85/1.8 @2.8 1 sec 320 ISO 5DII

Sporgon

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Re: Stars above.
« Reply #62 on: November 19, 2013, 03:59:26 PM »
Moonrise this evening

yorgasor

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Re: Stars above.
« Reply #63 on: January 06, 2014, 04:47:24 PM »
I had all but given up on trying to get a good star trails photo.  The 1/2 hr exposures I tried produced star trails, but only for the brightest stars in the sky.  The rest were absorbed in the light pollution.  So, I decided to try and make time lapse videos of the stars. In the winter, that usually means sitting out in a field for a couple hours freezing your butt off, and learning your lens will frost up after about an hour.

But yesterday I came across some free software called Star Trails that creates a composite of a set of photos.  This software  salvaged the two hours I spent freezing in a field, using just the photos before my lens frosted over.  It's about 150 photos, taken with a Rokinon 14mm @ f/2.8, ISO 1250 & 13s exposures.


Star Trails by yorgasor, on Flickr

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Re: Stars above.
« Reply #64 on: January 06, 2014, 05:09:46 PM »
Great job on this one yorgasor. Well done.

yorgasor

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Re: Stars above.
« Reply #65 on: January 08, 2014, 12:05:15 PM »
Here's one I did last night.  I loved the reflections of the stars in the still pond.


Stars and mirrors by yorgasor, on Flickr

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Re: Stars above.
« Reply #66 on: January 08, 2014, 12:59:01 PM »
Awesome. Great job.  8)

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Re: Stars above.
« Reply #66 on: January 08, 2014, 12:59:01 PM »

yorgasor

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Re: Stars above.
« Reply #67 on: January 08, 2014, 02:12:37 PM »
I've discovered that astrophotography does horrible things to your sleep cycle.  You start looking at the weather forecast and thinking, "Oh, clear skies tonight.  I guess I can stay up until 4am."  On a side note, there was a recent solar flare that should produce low latitude northern lights.  They should arrive around 3am eastern time: http://www.skyandtelescope.com/observing/home/Auroras-in-Our-Future-239252891.html  I guess it'll be another late night for me.

extremeinstability

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Re: Stars above.
« Reply #68 on: January 08, 2014, 04:10:59 PM »

Mr Bean

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Re: Stars above.
« Reply #69 on: January 11, 2014, 04:37:06 PM »
Here's one I did last night.  I loved the reflections of the stars in the still pond.


Stars and mirrors by yorgasor, on Flickr
Wow, fantastic pic. Love it :)
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Jack Douglas

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Re: Stars above.
« Reply #70 on: January 31, 2014, 03:13:42 AM »
These shots are not really worthy of posting but they represent my first ever, using the iOptron tracker.  I haven't even done any serious shots period other than the moon before deciding to buy this unit (it is well made).  I'm looking for feedback on how to locate Polaris, which in this case I did by holding up a paper print of the big dipper and eyeballing where it was on the circle.  The app I downloaded to my computer did not agree at all.  I'm assuming for 30 sec. exposures I must have been pretty close.  I don't yet have a ball head so all I could do was mount my camera at 90 degrees to Polaris, facing south.

I'd like to become more involved in the type of landscape shots such as in this thread so any helpful advice would be very welcome.  One shot was the 24-70 F4 at 24, the other two were the 70 - 200 at 70 and 200.

Jack
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niteclicks

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Re: Stars above.
« Reply #71 on: January 31, 2014, 09:40:10 AM »
Looks like you got pretty close, although 30sec @ 24mm is on the edge of a single frame from a tripod. The 6D should give real nice results at iso 800, the first photo exposure is right at minimum ( assuming no post), the banding and color noise in the other two are from under exposure  get your sky up off the bottom of the histogram without blowing out the brightest stars , shoot raw, and stack. You will be amazed at how full the sky actually is of interesting things.

Mr_Canuck

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Re: Stars above.
« Reply #72 on: January 31, 2014, 10:47:25 AM »
Nicely shot. I like the framing of the trees you chose.
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Re: Stars above.
« Reply #72 on: January 31, 2014, 10:47:25 AM »

Jack Douglas

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Re: Stars above.
« Reply #73 on: January 31, 2014, 11:48:43 AM »
niteclicks, thanks for the feedback.  I've never stacked in my life but I imagine it's just sequential shots without tampering, assuming the tracker is doing its job and then I think DPP can do the job??

I think I may have dropped the brightness of the 24 mm a bit thinking it was overexposed.

I assume B is used for the longer exposures and I need a remote release although I've started using the 6D WiFi and that might be a solution (it is to the cold).

Can you suggest the manual settings that you might use and the time for a couple different scenarios? 

What do I look for in terms of judging the quality of results, say between my lenses and focal lengths?

Can you suggest any threads or links that would be aimed at my situation as a beginner with stars?

I'm an handyman machinist and welder and am planning to modify the final attachment point of the tracker so that my mount location is up and level rather than angled at Polaris.  Do you foresee any problem with placing my gimble (quite light Jobu) on that as I would place it on a tripod?  I prefer gimbal to ball head (which I don't have at the moment).

Asking a lot with all these questions! :-[

Jack
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Jack Douglas

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Re: Stars above.
« Reply #74 on: January 31, 2014, 12:13:21 PM »
Moonrise this evening

As a beginner (me), would you mind sharing the details of how you get this kind of shot? :)

Jack
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Re: Stars above.
« Reply #74 on: January 31, 2014, 12:13:21 PM »