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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 18 Nov 2016 (Friday) 04:30
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International Space Station (ISS) – Brisbane 18th Nov 2016.

 
nardes
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Nov 18, 2016 04:30 |  #1

I received an automated e-mail from a NASA Subscription Service, informing me that the International Space Station (ISS) was due to make an appearance at my location in Brisbane.

"Time: Fri Nov 18 6:47 PM, Visible: 5 min, Max Height: 71°, Appears: 30° above SSW, Disappears: 10° above NE."

After plotting the celestial path of the ISS in my planetarium program, The Sky X Pro, I realised that at 6:48:22 PM the ISS would be passing very close to a Magnitude: 4.11 star, (Object Name: HIP 113638) in the Constellation of Grus, at an altitude of +64° 47' 22".

With sunset at 6:19 PM it wouldn’t give me much time to set up the telescope, align the mount, find a bright star and focus the camera before the ISS appeared. As luck would have it, the bright star Fomalhaut was almost overhead so I was able to align the mount at the Zenith using a spirit level and then slew to Fomalhaut to sync the mount on the mag 1.17 star. I then used my Bahtinov Mask to manually focus the Canon 5D Mk III on Fomalhaut before slewing to HIP 113638, just as the ISS appeared in the SSW.

I watched the scene through the finder scope and when the ISS approached the cross hairs, I squeezed the remote release and fired the shutter at the maximum drive rate of 6 frames per second. I was relieved to find, that when I played the images back on the rear LCD of the camera, I had 6 frames with the ISS traversing diagonally from top right to bottom left.

Of these 6 frames, 3 were good, with one of these standing out as being the sharpest. And I almost didn’t set up due to the bright twilight! A lucky shot indeed!:-)

Cheers

Dennis


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Crimzon
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Nov 18, 2016 09:23 |  #2

Very cool


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gjl711
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Nov 18, 2016 09:40 |  #3

Wow!! Just Wow!!


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Miki ­ G
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Nov 18, 2016 15:56 |  #4

That shot is excellent. Well done.




  
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nardes
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Nov 18, 2016 16:29 |  #5

Thanks for the comments folks, I appreciate them.:-)

My telescope mount that cannot track the ISS in real time, so I had to find a brightish star close to the predicted path of the ISS, so I could lie in wait and “park” the telescope there, hoping that the space station would appear in the field of view.

Some details of the ISS from Wiki:

The International Space Station (ISS) is in low Earth orbit.

Length: 72.8 m (239 ft)
Width: 108.5 m (356 ft)
Height: ≈ 20 m (66 ft)

Distance from Earth: 400 km (249 mi)

Orbital speed: 7.67 km/s (27,600 km/h; 17,200 mph)
Orbital period: 92.65 minutes
Orbits per day: 15.54 rev/day

Cheers

Dennis




  
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andicus
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Nov 18, 2016 21:13 |  #6

That's an incredible shot.

Well planned and well executed!


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sandwedge
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Nov 21, 2016 07:40 |  #7

Wow!, Very nice!


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Prototype115
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Nov 21, 2016 08:49 |  #8

Nice shot! very cool!


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nardes
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Nov 21, 2016 13:44 |  #9

Thank you andicus, sandwedge and Prototype115, I appreciate your comments.:-)

Cheers

Dennis




  
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Roy ­ A. ­ Rust
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Dec 11, 2016 01:27 |  #10

I don't know which is the most impressive; the photo itself, or the planning that went into it. Great job on both!




  
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nardes
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Dec 11, 2016 02:40 |  #11

Roy A. Rust wrote in post #18209455 (external link)
I don't know which is the most impressive; the photo itself, or the planning that went into it. Great job on both!

Thanks Roy, for those nice words of encouragement, I appreciate them.:-)

My hat goes off to the scientists and engineers at NASA who make all this possible.:-)

Cheers

Dennis




  
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TCampbell
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Dec 14, 2016 20:47 |  #12

That's fantastic! The ISS is tough to capture and more often takes a few flubbed attempts before finally nailing it.

Hat's off to you!!




  
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troypiggo
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Jan 04, 2017 03:54 |  #13

G'day Dennis! Don't come on POTN that often these days, but good to see you posting here ;)


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S.R.M.
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Jan 04, 2017 04:01 |  #14

troypiggo wrote in post #18232637 (external link)
G'day Dennis! Don't come on POTN that often these days, but good to see you posting here ;)

Same with me Troy... and that's a great image Dennis!



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nardes
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Jan 04, 2017 04:23 |  #15

troypiggo wrote in post #18232637 (external link)
G'day Dennis! Don't come on POTN that often these days, but good to see you posting here ;)

S.R.M. wrote in post #18232639 (external link)
Same with me Troy... and that's a great image Dennis!

Thanks Troy & Stephen, good to see you folks here.:-)

Best wishes for a peaceful and prosperous 2017 (as well as heaps of new, lovely L glass!).:-D

Cheers

Dennis




  
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International Space Station (ISS) – Brisbane 18th Nov 2016.
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