APOD: A Live View from the ISS (2014 May 14)

Comments and questions about the APOD on the main view screen.
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APOD: A Live View from the ISS (2014 May 14)

Post by APOD Robot » Wed May 14, 2014 4:05 am

Image A Live View from the International Space Station

Explanation: If you were floating above the Earth right now, this is what you might see. Two weeks ago, the robotic SpaceX Dragon capsule that delivered supplies to the Earth-orbiting International Space Station (ISS) also delivered High Definition Earth Viewing (HDEV) cameras that take and transmit live views of Earth. Pictured above, when working, is the live video feed that switches between four cameras, each pointed differently. Watch white clouds, tan land, and blue oceans drift by. The above video will appear black when it is nighttime on the Earth below, but the space station's rapid 90-minute orbit compresses this dark time into only 45 minutes. The present location of the ISS above the Earth can be found on the web. If the video appears gray, this indicates that the view is either being switched between cameras, or communications with the ISS is temporarily unavailable. As the HDEV project continues, video quality will be monitored to assess the effects of high energy radiation, which types of cameras work best, and which Earth views are the most popular. Although this feed will eventually be terminated, lessons learned will enable better cameras to be deployed to the ISS in the future, likely returning even more interesting live feeds.

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by FLPhotoCatcher » Wed May 14, 2014 5:03 am

The first sentence starts, "If were floating above the Earth..." It should be as it is shown at the top of this discussion page: "If you were floating above the Earth..." I'm sure it will be fixed soon.

firstmagnitude

Re: APOD: A Live View from the ISS (2014 May 14)

Post by firstmagnitude » Wed May 14, 2014 5:48 am

Grey screen means the system is down.

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by Markus Schwarz » Wed May 14, 2014 8:00 am

I really like the idea :clap: Unfortunately, all I have seen so far is the gray screen. Hope to see some real pictures soon!

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by Boomer12k » Wed May 14, 2014 9:53 am

Well....HOPEFULLY....I would see more than a blank, grey screen.....Yawn...


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Re: APOD: A Live View from the ISS (2014 May 14)

Post by RedFishBlueFish » Wed May 14, 2014 10:19 am

if the video appears gray
Well. It not only "appears" gray, but is grey.

Hopefully this will be sorted, as is a nice thought.

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by Indigo_Sunrise » Wed May 14, 2014 11:03 am

There will eventually be video in the video, right?
I love the line, (emphasis added) - "Pictured above, when working, is the live video feed...." At least it's a disclaimer, of sorts.
Hopefully it'll get straightened out and become viewable soon.

Awesome idea, though!

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by BDanielMayfield » Wed May 14, 2014 11:33 am

I will testify that it actually did show something other than grey in the beginning, after the eleventh hour began, at the start of today's run. I saw mostly the tops of white clouds rolling by, and waters underneath the expanisive clouds, but before dry land could appear uniform grayness prevailed.

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by zbvhs » Wed May 14, 2014 11:56 am

Great idea when/if it works. Back in the early shuttle days during crew sleep periods, ground controllers would feed down-links from the payload bay cameras to the NASA TV Network for public viewing. You could watch for six or eight hours if you wanted. There was always something to see: thunderstorms and city lights at night, coastlines and jet contrails during the day time passes. I remember seeing a big meteor burst into a shower of smaller pieces over Libya or thereabouts. The spacecraft was over Egypt with the camera view looking west toward Libya and Algeria. If the controllers cut out the night-side portions of the HD coverage, they'll be missing half the fun of it all.
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Re: APOD: A Live View from the ISS (2014 May 14)

Post by Nitpicker » Wed May 14, 2014 12:33 pm

I'm watching it fly eastward over North America right now, looking backwards with a Full Moon setting in the background. Too cool.

isoparix

Re: APOD: A Live View from the ISS (2014 May 14)

Post by isoparix » Wed May 14, 2014 12:43 pm

Good while it lasted! It would be very useful to see a Long/Lat grid overlaid on the view; and the current co-ordinates of the ISS posted on the image. Thanks

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by Guest » Wed May 14, 2014 1:30 pm

isoparix wrote:Good while it lasted! It would be very useful to see a Long/Lat grid overlaid on the view; and the current co-ordinates of the ISS posted on the image. Thanks
This site shows the coordinates of the ISS as it travels. Earlier today, the world map showed the orbital track and an icon of the ISS moving along it. I guess this is all still a work in progress.

http://eol.jsc.nasa.gov/HDEV/

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by geckzilla » Wed May 14, 2014 4:02 pm

Yeah, use the location website to see if the ISS is in Earth's shadow. It takes 45 minutes to get to the light once that happens. That's why so often it is "not working" but really even with it is black if you watch carefully at best resolution you can catch little white specks. I presume those are cosmic rays.
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firstmagnitude

Is this the first time there is no picture on APOD?

Post by firstmagnitude » Wed May 14, 2014 4:52 pm

Is this the first time there is no picture on APOD? Is blackness considered a "picture of the day?"

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by owlice » Wed May 14, 2014 5:03 pm

It helps to read the explanation.
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Re: Is this the first time there is no picture on APOD?

Post by BillBixby » Wed May 14, 2014 7:28 pm

firstmagnitude wrote:Is this the first time there is no picture on APOD? Is blackness considered a "picture of the day?"
What I determined:

The Picture is a LIVE, streaming, current view of the Earth. It is being broadcast from the ISS. There will eventually be video in the video, right? No, this is not a recording - it is live, give or take a few broadcast seconds.

If You are seeing a lighted picture if the Earth, then the ISS is over a daylight section of our planet.

If You are seeing a dark picture if the Earth, then the ISS is over a night-time section of our planet. Look for city lights, lightning storms, meteorite hits and other fun things which others may not notice. Quoting zbvhs "If the controllers cut out the night-side portions of the HD coverage, they'll be missing half the fun of it all."

If You are seeing GRAY, the ISS transmitters are not being received by earthbound receptors, most likely due to location of the ISS. Go freshen your drink and return to watch the picture show. If there is one thing changing quickly, it is the location of the ISS. The pic will not stay gray very long.

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by Cousin Ricky » Wed May 14, 2014 7:32 pm

Great! Now all I need is some Internet service that delivers the bandwidth the ISP has shamelessly promised us for years. :x

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by BillBixby » Wed May 14, 2014 7:47 pm

Reading the explanation was no problem. It took me some time to understand it so I re-worded it to fit my dense mind :) . Then I went back to the pretty view being transmitted. Night sky. I looked for city lights and other goodies. I thought I found some lights. They didn't move. I did discover how much white dust is on my monitor screen :roll: . Dark picture when you clean the 'lights' off the screen. I may not be as much a creature of the night as I might wish. :lol2:

(edited to remove a quote)

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by Boomer12k » Wed May 14, 2014 8:41 pm

OK, There it is now!!! Awesome!!!!



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Re: APOD: A Live View from the ISS (2014 May 14)

Post by rtorlas@gmail.com » Wed May 14, 2014 8:50 pm

On http://eol.jsc.nasa.gov/HDEV/ which is reached from the APOD, what are the leading and following rockets, cans, whatever, on the track. BTW, getting ready to hit Chile.

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by geckzilla » Wed May 14, 2014 9:03 pm

rtorlas@gmail.com wrote:On http://eol.jsc.nasa.gov/HDEV/ which is reached from the APOD, what are the leading and following rockets, cans, whatever, on the track. BTW, getting ready to hit Chile.
The one that says +1.5 is where it will be in 90 minutes and the one that says -1.5 is where it was 90 minutes ago.
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Re: APOD: A Live View from the ISS (2014 May 14)

Post by rtorlas@gmail.com » Wed May 14, 2014 9:17 pm

geckzilla wrote:
rtorlas@gmail.com wrote:On http://eol.jsc.nasa.gov/HDEV/ which is reached from the APOD, what are the leading and following rockets, cans, whatever, on the track. BTW, getting ready to hit Chile.
The one that says +1.5 is where it will be in 90 minutes and the one that says -1.5 is where it was 90 minutes ago.
Since a full orbit is 90 minutes, I doubt that. However, now that I have zoomed in, I see the +/- 1,5h, but still don't know what the h indicates.

rtorlas@gmail.com

Re: APOD: A Live View from the ISS (2014 May 14)

Post by rtorlas@gmail.com » Wed May 14, 2014 9:19 pm

rtorlas@gmail.com wrote:
geckzilla wrote:
rtorlas@gmail.com wrote:On http://eol.jsc.nasa.gov/HDEV/ which is reached from the APOD, what are the leading and following rockets, cans, whatever, on the track. BTW, getting ready to hit Chile.
The one that says +1.5 is where it will be in 90 minutes and the one that says -1.5 is where it was 90 minutes ago.
Since a full orbit is 90 minutes, I doubt that. However, now that I have zoomed in, I see the +/- 1,5h, but still don't know what the h indicates.
Never mind. I understand now. -1,5h is where it was on the last orbit and +1,5h is where it will be on the next orbit. Thank you.

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by Nitpicker » Wed May 14, 2014 9:25 pm

rtorlas@gmail.com wrote:
geckzilla wrote:
rtorlas@gmail.com wrote:On http://eol.jsc.nasa.gov/HDEV/ which is reached from the APOD, what are the leading and following rockets, cans, whatever, on the track. BTW, getting ready to hit Chile.
The one that says +1.5 is where it will be in 90 minutes and the one that says -1.5 is where it was 90 minutes ago.
Since a full orbit is 90 minutes, I doubt that. However, now that I have zoomed in, I see the +/- 1,5h, but still don't know what the h indicates.
Decimal points are often annotated as commas in the crazier parts of Europe, and these annotations come from the ESA (E is for Europe). So, "1,5h" is 1.5 hours, or 90 minutes, or about one full orbit (which brings it back close to where it was an orbit ago). The plus (+) means 1.5 hours in the future and the minus (-) means 1.5 hours in the past.

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Re: APOD: A Live View from the ISS (2014 May 14)

Post by MarkBour » Wed May 14, 2014 10:06 pm

This is really the bomb track! (when it's not gray). Thanks for linking to it.

Mind you, it is kind of cheating for "A.P. of the Day", since I believe I'll be able to come back tomorrow, and the next day, and the next, and it'll be different all the time. I hope the editors aren't thinking about retiring :-)

I have some youthful ideas of how to improve this.
I guess interested parties should contact the HDEV project management ...
Mark Goldfain