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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 14 Jan 2013 (Monday) 14:58
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first attemt at star trails

 
Romax12
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Jan 14, 2013 14:58 |  #1

just got back from an hour of photographing 90 pictures.
each one 30 seconds. this is my first time at astrophotography so im kinda noob.
anyway i used starstax to stack the images and some pp in lightroom as well.


IMAGE: http://farm9.staticflickr.com/8045/8381807986_e532a1056b_b.jpg
IMAGE LINK: http://www.flickr.com …/89663896@N08/8​381807986/  (external link)
by Alonsegel (external link)

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600ex-rt and yn-622c (2x)

  
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markweaver
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Jan 14, 2013 16:13 |  #2

Nicely done. You got very nice color and smooth trails.


Mark
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ptcanon3ti
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Jan 15, 2013 09:05 |  #3

LOVE the tree for perspective!


Paul
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JasonMK
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Jan 15, 2013 09:30 |  #4

The purple sky is nice, what time did you start/end your photographing?


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Romax12
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Jan 15, 2013 12:51 |  #5

JasonMK wrote in post #15491340 (external link)
The purple sky is nice, what time did you start/end your photographing?

started at 21:00 ended at 21:50

note that sunset is at 17:30


Canon t3i
--- EF-S 18-135 f3.5-5.6 IS --- EF 70-200 f2.8 L IS usm ---
600ex-rt and yn-622c (2x)

  
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HogansHeroes
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Jan 16, 2013 11:38 |  #6

Well done!


"Twelve significant photographs in any one year is a good crop."
-Ansel Adams

  
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Romax12
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Jan 20, 2013 07:56 |  #7

HogansHeroes wrote in post #15496183 (external link)
Well done!

thanks!


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--- EF-S 18-135 f3.5-5.6 IS --- EF 70-200 f2.8 L IS usm ---
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cjdroadglide
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Jan 22, 2013 16:53 as a reply to  @ Romax12's post |  #8

like the purple sky..




  
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ptcanon3ti
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Jan 22, 2013 19:27 |  #9

Romax12 wrote in post #15487985 (external link)
just got back from an hour of photographing 90 pictures.
each one 30 seconds
. this is my first time at astrophotography so im kinda noob.
anyway i used starstax to stack the images and some pp in lightroom as well.

I'm still un familiar with shooting star trails and astrophotography. So you took 45 minutes of shots 30 seconds at a time one after another. Then loaded them into a program called Starstax, and that's how you got that image?

Is that correct?


Paul
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Toxic ­ Coolaid
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Jan 22, 2013 22:06 |  #10

correct




  
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ptcanon3ti
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Jan 23, 2013 07:44 |  #11

Toxic Coolaid wrote in post #15522633 (external link)
correct

So wouldn't EACH 30 second shot show SOME star trail, dependant upon the focal length used?

600 divided by the focal length gives the max time BEFORE trailing begins. Correct?


Paul
https://www.flickr.com​/photos/petshots/ (external link)
Body - Nikon D750
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Romax12
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Jan 23, 2013 08:46 |  #12

the 600 divided by the focal length is just a tool to find the approx. maximum seconds of exposure before you can see the stars moving. in a star trails photo is doesn't matter because you want to get the trails.


Canon t3i
--- EF-S 18-135 f3.5-5.6 IS --- EF 70-200 f2.8 L IS usm ---
600ex-rt and yn-622c (2x)

  
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NavyDiver911
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Jan 24, 2013 16:50 |  #13

Did you happen to cover your lens and take any black exposures for the merging process?


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Romax12
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Jan 25, 2013 05:53 |  #14

no. the software i'm using doesn't require any black frames to create star trails. Though i would like to know why do people put black frames ?


Canon t3i
--- EF-S 18-135 f3.5-5.6 IS --- EF 70-200 f2.8 L IS usm ---
600ex-rt and yn-622c (2x)

  
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ptcanon3ti
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Jan 25, 2013 06:33 |  #15

Did you take this image to LR after you stacked all of the immages together? Were the stacks shot in RAW? Thanks.


Paul
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Body - Nikon D750
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first attemt at star trails
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