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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 22 Nov 2015 (Sunday) 03:54
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International Space Station in front of Moon – 7D Mk II and telescope

 
SiriusDoggy
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Nov 23, 2015 20:38 |  #16

mtbdudex wrote in post #17794027 (external link)
There only on thing to say about your work, effort, and result
bw!
Truly one of the best, if not the best, I've seen of the ISS and moon.

Agreed. If this doesn't end up in an astronomy text/reference book there is no justice in the world.


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maxblack
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Nov 23, 2015 20:46 |  #17

I've got to say it...
These images are stellar!
Great timing and setup.



  
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nardes
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Nov 26, 2015 04:17 |  #18

drifter106 wrote in post #17794046 (external link)
curious...what type of details of the ISS would you have if the photograph was cropped?

Thanks for all the comments and feedback folks, I appreciate it. It was hard to get to sleep that night, with my system still flooded by the adrenalin from all the action.:-)

Here is a full resolution 1024x768 crop from the 1920x1200 frames. The lunar background has been aligned and stacked in a specialist astrophotography image processing application (Autostakkert!2) to make it smoother but as there was only a single ISS object in the frame, that could not be processed to enhance it.

So, this image is a combination of a processed/enhanced Moon background with a single raw frame of the ISS blended in using CS6 Layers.

Cheers

Dennis


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Nighthound
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Nov 26, 2015 09:34 |  #19

Dennis, I couldn't be more impressed. You had an excellent plan and executed it perfectly. Well done in every way.

The illusion created by your composite is really cool, it looks like the ISS is orbiting the Moon.

Thanks very much for sharing your work.


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scottishguy
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Nov 26, 2015 14:29 |  #20

nardes wrote in post #17792390 (external link)
The ground track for this event was some 7kms wide and my house was located towards the centre, so I set up my 235mm diameter, 2350mm fl, F10 telescope and fitted my Canon 7D Mk II with a x0.63 Reducer/Flattener to give an effective fl of approx.. 1500mm at F6.3. This was so I could fit in the entire disc of the Moon.

The transit across the face of the (3/4) Moon was scheduled to last for 0.49 sec and I managed to record some 12 frames which I combined in CS6 to show the path of the ISS.

The more detailed, high resolution composite was taken through another telescope, using a 1920x1200 webcam at an effective fl of approx. 3500mm.

The transit lasted less than 0.49 seconds from my place, so it was a bit tricky choosing the optimum moment to trip the 7D Mk II which can shoot at 10 fps, whilst remembering to start recording with the webcam.

Cheers

Dennis

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Hosted photo: posted by nardes in
./showthread.php?p=177​92390&i=i265997113
forum: Astronomy & Celestial

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Hosted photo: posted by nardes in
./showthread.php?p=177​92390&i=i129073854
forum: Astronomy & Celestial


They are amazing, the detail on ISS in the second one is just superb!


http://bighugelabs.com …0/ffffff/330826​48@N00.jpg (external link)

  
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nardes
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Nov 26, 2015 16:05 as a reply to  @ scottishguy's post |  #21

Thanks – just to complete the set, here is one with a 5D Mk III and 400mm F5.6L (tripod mounted), shooting at 1 second intervals to show the speed of the International Space Station as it passed in front of the Moon. Each of the 6 visible ISS "dots" is at a 1 sec interval.

Cheers

Dennis


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PhotosGuy
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Nov 26, 2015 20:59 |  #22

Speedy little devil, isn't it?


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gmm213
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Nov 26, 2015 21:45 |  #23

Man didnt think it moved that fast. Awesome shots. I remember watching the night sky with my pops looking at the ISS when we could occasionally see it


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Roba21
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Nov 28, 2015 13:56 |  #24

Thats very special, congrats!!




  
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International Space Station in front of Moon – 7D Mk II and telescope
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