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General Astronomy >> Light Pollution

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desertstars

*****

Reged: 11/05/03

Loc: Tucson, AZ
Globe at Night new
      #4388423 - 02/15/11 03:55 PM

Globe At Night Campaign Dates Announced

I intend to participate this year.


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csa/montana
Den Mama
*****

Reged: 05/14/05

Loc: montana
Re: Globe at Night new [Re: desertstars]
      #4388495 - 02/15/11 04:40 PM

Thanks for bringing this to our attention!

Count me in, as well; if I don't have complete cloud cover.


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star drop
Snowed In
*****

Reged: 02/02/08

Loc: Snow Plop, WNY
Re: Globe at Night new [Re: csa/montana]
      #4388941 - 02/15/11 08:11 PM

Wow, another year has gone by. Thank you for the reminder, Tom.

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teast
professor emeritus


Reged: 11/10/07

Loc: Kentucky
Re: Globe at Night new [Re: star drop]
      #4390997 - 02/16/11 04:58 PM

You can now submit your GLOBE at Night results using your smartphone! See the Twitter feed at this link:

GLOBE at Night News

This has the potential to dramatically increase both awareness of light pollution and the number of observations made. Spread the word!

-Tom


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desertstars

*****

Reged: 11/05/03

Loc: Tucson, AZ
Re: Globe at Night new [Re: teast]
      #4391395 - 02/16/11 08:04 PM

That's seriously cool.

I'll be going "old school." It all counts.


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teast
professor emeritus


Reged: 11/10/07

Loc: Kentucky
Re: Globe at Night new [Re: desertstars]
      #4396152 - 02/18/11 11:42 PM

I just got a new Android phone so I'll be using the webapp - GLOBE at Night webapp - for my observations. Also makes it easier to record observations at different locations - no forms to carry or coordinates to look up. But, as you stated, all observations count, regardless of how you choose to do it. The main thing is to DO IT - !

-Tom


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drksky
Carpal Tunnel
*****

Reged: 09/01/09

Loc: Bloomington, IL
Re: Globe at Night new [Re: teast]
      #4399545 - 02/20/11 03:02 PM

Now, to just wait for the clouds to part...

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Koen Dierckens
professor emeritus


Reged: 11/04/09

Loc: Antwerp, Belgium
Re: Globe at Night new [Re: drksky]
      #4404104 - 02/22/11 03:52 PM

I just posted my result during very bad circumstances (90% cloudy, so waiting a lot of time for the holes in the clouds to pass by at the right location)

Can you post more then one result from the same location over several days??


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teast
professor emeritus


Reged: 11/10/07

Loc: Kentucky
Re: Globe at Night new [Re: Koen Dierckens]
      #4404142 - 02/22/11 04:09 PM

Yes, you can post several observations from the same site during the campaign. You can also report from different locations on the same night. Try walking or driving around a bit. You'll probably be surprised at the differences you'll notice even between fairly close locations.

-Tom


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Koen Dierckens
professor emeritus


Reged: 11/04/09

Loc: Antwerp, Belgium
Re: Globe at Night new [Re: teast]
      #4421721 - 03/02/11 03:14 PM

Okay,

Just posted for the second time my results. They confirm the first measurement (approx. mag 4.0)
I know that generally after midnight more lights are switched off and the limiting magnitude can rise till 5.0-5.5 in the best case scenario.


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desertstars

*****

Reged: 11/05/03

Loc: Tucson, AZ
Re: Globe at Night new [Re: Koen Dierckens]
      #4425610 - 03/04/11 08:53 AM

I finally managed to post some data. It's been unusually cloudy of late, here in the desert, and other hassles have tied me up several clear nights. Came up with mag 4.0 from my back yard and an SQM reading of 18.45 mag/arcsec2. This is a bit below average for my location, which is usually mag 4.5 in the hours leading to midnight, and an SQM of 18.65 mag/arcsec2. (It can be better still in the early morning, a few hours before dawn.)

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George N
Carpal Tunnel
*****

Reged: 05/19/06

Loc: Binghamton & Indian Lake NY
Re: Globe at Night new [Re: desertstars]
      #4430237 - 03/06/11 02:11 PM

Well I posted two data points. Unfortunately the sky was a good deal brighter than normal at my Southern Tier of NY home: 19.92 on my SQM. According to their calculator, that translates to a naked-eye limit of mag 5.44. I guess it’s the snow cover, because my typical reading is more like 20.3 or so, and darker if the valley fogs up.

Just for fun I also submitted an SQM reading I took at a “dark corner” of a restaurant parking lot in the one commercial development strip in the area. It read 17.85, or mag 3.84 limit (which seemed right from what I was seeing). This location is in a valley and no more than 7 to 10 miles away I’ve measured the sky as dark as 21.0, but there’s a light dome in the direction of the mall strip.


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teast
professor emeritus


Reged: 11/10/07

Loc: Kentucky
Re: Globe at Night new [Re: George N]
      #4475061 - 03/26/11 08:59 AM

New campaigns are now underway -

Northern Hemisphere: March 22, 2011 - April 4, 2011
Southern Hemisphere: March 24, 2011 - April 6, 2011

Northern Hemisphere will use the constellation Leo, while the Southern Hemisphere will use the constellation Crux. The web site is the same and the webapp has been updated. Here's a link:

Globe at Night

-Tom


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Dark Sky Scott
super member


Reged: 01/06/12

Loc: Tucson, Arizona
Re: Globe at Night new [Re: teast]
      #5008987 - 01/09/12 01:39 PM

The first of the four Globe at Night campaigns for 2012 starts this weekend. It runs January 14 - 23.

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ArcturusMDS
journeyman


Reged: 02/04/11

Loc: Middlewich, Cheshire, UK
Re: Globe at Night new [Re: Dark Sky Scott]
      #5036701 - 01/25/12 08:28 AM

If you've done a Globe at Night star count and you know the limiting magnitude of a specific location please enter the data on www.mydarksky.com too.

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teast
professor emeritus


Reged: 11/10/07

Loc: Kentucky
Re: Globe at Night new [Re: ArcturusMDS]
      #5109805 - 03/07/12 01:01 PM

Next campaign coming up from March 13-22 (that's next week!)

Get your local clubs to participate and be sure you do so yourself.

-Tom


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Dark Sky Scott
super member


Reged: 01/06/12

Loc: Tucson, Arizona
Re: Globe at Night new [Re: teast]
      #5333717 - 07/24/12 07:47 PM

GLOBE at Night's 2012 data has been posted:

http://www.globeatnight.org/numbers-2012.html


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TOM O
sage
*****

Reged: 03/30/06

Loc: Joshua Tree CA.
Re: Globe at Night [Re: Dark Sky Scott]
      #5603194 - 01/03/13 03:10 PM

2013 Worldwide Globe at Night starts tonight, January 3, 2013

http://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Number/5603053/page...


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Dark Sky Scott
super member


Reged: 01/06/12

Loc: Tucson, Arizona
Re: Globe at Night new [Re: TOM O]
      #5656074 - 02/01/13 10:37 AM

The second round of 2013's GLOBE at Night is underway now through February 9th.

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Dark Sky Scott
super member


Reged: 01/06/12

Loc: Tucson, Arizona
Re: Globe at Night new [Re: Dark Sky Scott]
      #5714666 - 03/05/13 03:13 PM

GLOBE at Night is underway again. Now through March 12. Are you participating?

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