VdS Fachgruppe DARK SKY
11th European Symposium for the Protection of the Night Sky - 6th-8th October 2011 in Osnabrück, Germany

11th European Symposium for the Protection of the Night Sky - 6th-8th October 2011 in Osnabrück, Germany

Participate online

You can participate to the symposium also online. The several sessions will be broadcasted here on the internet. To make that possible there will be used the software Netviewer Meeting.

You will be able to see on your computer the same as what is shown on the presentation pc in the conference room and hear the sound of the sound system of the conference room.

Osnabrück Markt

You are also able to ask questions and participate discusions in the conference room. Indicate that you want to ask questions by entering a message to the moderator in the chat box in the panel at the right of the screen. When you have a headset you can enable your VoIP also in the right panel. When the moderator grant you to speak the sound of your voice will be shared in the conference room over the audio system. You can also prefer that the moderator is asking the question in your name.

To participate you need to enter below the correct session number and your name to login. Each session has his own session number. Below the logon screen you find the timetable of the different sessions with their session number. Just above the logon screen you find the session number you can currently logon too.
You can also just click on the session number in the time table when that session is the current session.

You can connect to the session about 10 minutes before the presentations of that session will start.

Short manual:

For window users.
For Mac users.

User manual:

User Manual.

The connection can somethimes lost because of internet connections So try then to relogin!

The current session number is: IDA: 953896125

Time Conversion

The symposium happens in Osnabrück, Germany, Europe and so the local time zone is CEST. This is currently UT +2 hours. The time table for the sessions below and in the program are in the local time. For most participants in Europe this will be the same as their local time.

Long distance users need to convert this time to their local time to know the correct time for participating the event. You can do this by using this online tool. You can convert there time zones but also set up a personal world clock giving your live local time together with the live times on selected places in the world.

List of sessions and their session numbers

Thursday 6th


Measuring Light Pollution

Session number: 168 956 147

Friday 7th


Opening, Light and Society

Session number: 273 448 761



Coffee Break

No Online Session!




Session number: 817 853 459




No Online Session!




Session number: 686 610 794



Coffee Break

No Online Session!



Planning Light 1

Session number: 469 567 328



End of Friday sessions


Saturday 8th


Planning Light 2

Session number: 953 896 125



Coffee Break

No Online Session!



Night and Nature

Session number: 420 282 608




No Online Session!



Dark Sky Parks

Session number: 724 620 514




No Online Session!



IDA matters: Report, Awards, next conference

Session number: 921 125 625



End of Conference


Teleconference option

When you have no headset then sound can be very bad when you want to ask questions by voice. In that case you best ask your question via the chatbox and the moderator will ask the question for you. Or you can login by a telephone too and get the sound over the telephone.

To participate by telephone, select the best number for calling from your country from the list below and call that number. Follow the instructions given during the call. When they ask for the pin code, you need to enter the correct active session number listed above.

- You must have a telephone with tone dialing to dial in to a telephone conference.
- Some dial-in numbers (Austria, Ireland, Italy, Poland, Spain) do not support mobile phones.
- Stated prices are for one call from the respective country. Cell phone prices may differ.

You can find more information in the short manual about teleconferences.



Telephone number

Connection costs

Australia 02 9037 847 local call rate
Austria 0820 40001578 (12 ct/min)
Belgium 070 359998 (18 ct/min)
Brazil 061 37172066 local call rate
Canada 647 9775801 local call rate
Czech Republic 2 28881957 local call rate
Denmark 78775280 local call rate
Finland 09 31582805 local call rate
France 0826 100278 (15 ct/min)
Germany 01805 007644 (14 ct/min)
Greece 0211 1982356 local call rate
Hong Kong 58081225 local call rate
Hungary 01 8088355 local call rate
Ireland 0818 270038 (8 ct/min)
Israel 03 7630912 local call rate
Italy 848 390174 (15 ct/min)
Japan 03 45780178 local call rate
Mexico 01 55 11638845 local call rate
Netherlands 0870 001906 (15 ct/min)
Norway 21518179 local call rate
Poland 0801 003503 (0,29 PLN/min)
Slovakia 02 33057826 local call rate
Slovenia 016008690 local call rate
South Africa 087 5500371 (94 ct/min)
Spain 902 886058 (7 ct/min)
Sweden 0939 2066800 (1,7 SEK/min)
Switzerland 0848 560198 (12 Rp./min)
UK 0844 5819158 (5 p/min)
USA 1 712 4322824 (5 ct/min)
Skype +44 8444737368 (9,6 ct/min)
Other +1 712 4322824 (Int. Call USA)

In case of trouble

When you have problems in using the system you can contact always the moderator.

When you were able to login the current session with the session number you best take contact via the chat box of the system. You can send also a private chat to Kim Patten who acts as moderator

When you were not able to start up the NetViewer Meeting, you can contact the moderator on Skype (use only the chat mode, do not call!). The skype name of the moderator is darkskyprotector.


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