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General Astronomy >> Light Pollution

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Dark Sky Scott
super member


Reged: 01/06/12

Loc: Tucson, Arizona
Smartphone apps for light pollution
      #5833048 - 04/30/13 07:23 PM

New press release put out today about an Android app to measure light pollution with a star counting method & will be able to be integrated with GLOBE at Night:

http://www.fv-berlin.de/news/twinkle-twinkle-little-star-2013-new-app-measure...

There's also a new iPhone app that works like an SQM. More info is here:

http://www.darkskymeter.com/

I have tested the iPhone app and it works very well on my iPhone 4S. The "Lite" free version tells you how many times brighter your sky is over a natural one and the "Pro" version ($3.99) gives measurements in mags per square arc second. It compares very favorably to the SQM.


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Koen Dierckens
professor emeritus


Reged: 11/04/09

Loc: Antwerp, Belgium
Re: Smartphone apps for light pollution new [Re: Dark Sky Scott]
      #5838116 - 05/03/13 11:12 AM

I also bought the Dark Sky Meter app for my 4S as I wanted to support this initiative. The price is really fair compared to the SQM meter. Both the freeware and the Pro version enable the user to upload their measurements (and both versions will send the same kind of SQM info to the webserver). If I understood well, the writers of the app will share these measurements with IDA and other Dark Sky associations so there will be more objective light pollution information available over time.

I would say: give it a shot too when you have an iPhone 4S or 5 and help updating the LP database. If you don't want to pay for it, then just download the freeware version.


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REC
Post Laureate
*****

Reged: 10/20/10

Loc: NC
Re: Smartphone apps for light pollution new [Re: Koen Dierckens]
      #5838174 - 05/03/13 11:42 AM

Ok, just bought it and maybe that will make the skies clear!

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csrlice12
Postmaster
*****

Reged: 05/22/12

Loc: Denver, CO
Re: Smartphone apps for light pollution new [Re: REC]
      #5838571 - 05/03/13 03:09 PM

All I got is this cr@&&y Windows 8 Smartphone....thing's practically useless for anything...including phone calls. Does have a nice 8meg camera with a Carl Zeiss lens though.

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Ron359
super member
*****

Reged: 04/21/08

Loc: -103 +39
Re: Smartphone apps for light pollution new [Re: Dark Sky Scott]
      #5838602 - 05/03/13 03:20 PM

See this thread in the computer and software forum for more info:

http://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Number/5692565/page...

I've tried and compared the full $5 app to an SQM meter with good results on my 4S iPhone.

Ron


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Mogster
professor emeritus


Reged: 03/14/04

Loc: Manchester, England
Re: Smartphone apps for light pollution new [Re: Ron359]
      #5843853 - 05/06/13 03:46 PM

Not available in the UK......

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bogg
sage


Reged: 11/17/09

Loc: Bruce County Ontario
Re: Smartphone apps for light pollution new [Re: Mogster]
      #5844485 - 05/06/13 09:34 PM

Not available in Canada .......

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REC
Post Laureate
*****

Reged: 10/20/10

Loc: NC
Re: Smartphone apps for light pollution new [Re: bogg]
      #5845092 - 05/07/13 08:29 AM

I just got it, now I have to figure out how to use it? Anyone have a link to understand how to read and interpret SQM numbers?

Thanks,

Bob


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Dark Sky Scott
super member


Reged: 01/06/12

Loc: Tucson, Arizona
Re: Smartphone apps for light pollution new [Re: REC]
      #5846009 - 05/07/13 04:11 PM

Bob, Unihedron has an FAQ that might be of use to you:

http://unihedron.com/projects/darksky/faq.php

For those that can't get the Dark Sky Meter app in different countries, hang on, I will ask the developer about that.


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REC
Post Laureate
*****

Reged: 10/20/10

Loc: NC
Re: Smartphone apps for light pollution new [Re: Dark Sky Scott]
      #5846055 - 05/07/13 04:43 PM

Thanks, lot's of good reading here:)

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Dark Sky Scott
super member


Reged: 01/06/12

Loc: Tucson, Arizona
Re: Smartphone apps for light pollution new [Re: REC]
      #5847557 - 05/08/13 11:08 AM

I asked the developer of Dark Sky Meter about its availability worldwide and here is what he had to say:

"The app is available worldwide. The reason the can't buy it is because they have an unsupported model (eg: 3GS, iPad, iPod). Apple is a little confusing sometimes."

I hope that helps.


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csrlice12
Postmaster
*****

Reged: 05/22/12

Loc: Denver, CO
Re: Smartphone apps for light pollution new [Re: Dark Sky Scott]
      #5847952 - 05/08/13 02:57 PM

Uh, is it just me, or are smartphones and tablets a source of light pollution at a dark site......

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Gvs
member


Reged: 05/19/11

Loc: Texas
If you live in North America and use Android. new [Re: csrlice12]
      #5949448 - 07/01/13 10:55 AM

If you use Android and live in North America, you can use this Link .

Its probably what you are looking for.


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