Amalia
Reged: 10/16/04
Posts: 5165
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Light Pollution Maps
Surely all members of CN are interested in knowing about light pollution.
This is a link to a rather small version of an European light pollution map:
http://www.lightpollution.it/download/euromini.jpg
Here a bigger version - only western Europe:
http://www.lightpollution.it/download/eurv1.zip
but there are four maps so covering whole of Europe -
they are to be found on:
http://www.lightpollution.it/dmsp/artbri.html
These are large scaled world maps:
http://www.lightpollution.it/worldatlas/pages/fig1.htm
Swiss Dark Sky Association made a very detailed version for Switzerland:
http://www.darksky.ch/medien/downloads/ch/LPSwissMap-50.pdf
smallest version (50 % "komprimiert")
from this internet site
http://www.darksky.ch/medien/artikel/lpoll_ch.html
I use to inform myself with this Swiss map and, depending on weather,
I chose my observation site.
I have seen that US-Americans have their own dark sky maps.
Maybe you could add the links to your maps? Thank you!
Hopefully this can help you to get to a darker sky!
Amalia
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Amalia
Reged: 10/16/04
Posts: 5165
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Hmm, I understand the USA is a little bit bigger than Switzerland... 
this site is interesting:
http://www.darksky.org/darksky/index.html
and if you are looking for a dark site:
(a huge, beautiful map - you click on a town (they are not labeled...)
then a new window opens and you see:
home (here you can control if you hit the right town... and you see the limiting mag)
1 is the nearest dark site
2 is the next
etc.
http://www.darksky.org/darksky/darksky_map.html
Amalia
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Amalia
Reged: 10/16/04
Posts: 5165
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Germany:
I don't know if this map is really helpful, have a look:
http://www.astrogalaxie.de/Lichtverschmutzung.htm
You better open the bigger version:
http://www.astrogalaxie.de/Lichtv-D-3a.jpg
Amalia
P.S.
These are already much better:
http://www.der-starhopper.de/html/lichtverschmutzung.html
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Amalia
Reged: 10/16/04
Posts: 5165
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Austria:
An excellent map on
http://astro.nightsky.at/Obs/LP/
is
http://astro.nightsky.at/Obs/LP/LV_DMSP.jpg
Amalia
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Amalia
Reged: 10/16/04
Posts: 5165
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Great Britain:
click on the link for your region:
http://www.cpre.org.uk/campaigns/landscape-and-beauty/light-pollution/light-pollution-your-area.htm
Amalia
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Edited by Amalia (06/28/05 12:06 AM)
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fxxm747
professor emeritus
Reged: 05/26/04
Posts: 696
Loc: Milwaukie, Oregon
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Cool links, the US map was really accurate for my location in Portland, Oregon.
Jim
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* Jim *
80mm f15 Refractor
Meade Research Grade 8" Newt
Meade Starfinder 10" EQ
Homemade 12.5" Fork Mount Newt
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Anonymous
Unregistered
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Quote:
Light Pollution Maps
Surely all members of CN are interested in knowing about light pollution.
Thank you Amalia. I have excellent dark skies in the mountains east of my small Oregon town.
Even from my back deck, the view is fairly good.
I was suprised by how much light pollution the maps show for Europe. You are lucky to have some dark areas nearby.
- Roger 
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ClownFish
Post Laureate
Reged: 04/26/05
Posts: 5600
Loc: Islamabad, Pakistan
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Hey Amalia, thanks for the maps!
I hope most CN folks know this, but a great tool is the ClearSkyClock which shows the seeing conditions for your exact location, and has a good light pollution map for your area. Unfortuanely it's only for the USA, Canada and Mexico. Anyone can have one.. mine is at:
http://cleardarksky.com/c/SwtwtrHObNMkey.html?1
Perhaps someone will design such a system for the rest of our planet.
Anyway, off topic. Have you ever been to Leysin, Switzerland? My daughter just fished her 10th grade (High School) at the Leysin American School there. She said she is now totaly spoiled for snow boarding by the Alps, and would be disspointed to board anywhere else besides Switzerland or Austria (we lived in Vienna last year). Spoiled teenager, I need to take her to Chile. Dark SOUTHERN skies and skiing! 
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Learn all about POLAR ALIGNMENT with my Drift Method Tutorial and simulator!! Or visit my Foreign Service Blog!
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BradH
Pooh-Bah
Reged: 06/19/04
Posts: 1008
Loc: Spencer, Indiana
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Thanks for the links. I used darksky.org here is what I got.
Longitude -86.67
Latitude 39.28
appox ZLM 6.20 6.55 
I do get a little problem from a billboard a few miles away  but at 1:30am it goes out 
Brad
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AP 140mm f7.5 StarFire
AP 900 GTO
PST goto Meade DS mount
Mallincam Hyper Color Plus
Skyshed
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Amalia
Reged: 10/16/04
Posts: 5165
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Quote:
Cool links, the US map was really accurate for my location in Portland, Oregon.
Jim
Happy to read this, Jim! Thanks!
Amalia
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Amalia
Reged: 10/16/04
Posts: 5165
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Quote:
Quote:
Light Pollution Maps
Surely all members of CN are interested in knowing about light pollution.
Thank you Amalia. I have excellent dark skies in the mountains east of my small Oregon town.
Even from my back deck, the view is fairly good.
I was suprised by how much light pollution the maps show for Europe. You are lucky to have some dark areas nearby.
- Roger
Happy you, Roger!
Yes, the situation here is not easy. Switzerland offers more
possibilities than other countries.
Still, to be under a 6+ sky I travel at least one hour -
I really like these night adventures! 
Amalia
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Amalia
Reged: 10/16/04
Posts: 5165
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Quote:
Hey Amalia, thanks for the maps!
You are welcome!
Quote:
I hope most CN folks know this, but a great tool is the ClearSkyClock which shows the seeing conditions for your exact location, and has a good light pollution map for your area. Unfortuanely it's only for the USA, Canada and Mexico. Anyone can have one.. mine is at:
http://cleardarksky.com/c/SwtwtrHObNMkey.html?1
Perhaps someone will design such a system for the rest of our planet.
This would be more than cool, Peter!
Quote:
Anyway, off topic. Have you ever been to Leysin, Switzerland? My daughter just fished her 10th grade (High School) at the Leysin American School there. She said she is now totaly spoiled for snow boarding by the Alps, and would be disspointed to board anywhere else besides Switzerland or Austria (we lived in Vienna last year). Spoiled teenager, I need to take her to Chile. Dark SOUTHERN skies and skiing!
*You* spoil her!
Yes, I have been in Leysin, several times.
Never for skiing, though (I am not into boarding).
I know an observation site upon Leysin - and a disco, too!
Leysin is very very beautiful, especially in autumn! 
Amalia
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Amalia
Reged: 10/16/04
Posts: 5165
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Quote:
Thanks for the links. I used darksky.org here is what I got.
Longitude -86.67
Latitude 39.28
appox ZLM 6.20 6.55
I do get a little problem from a billboard a few miles away but at 1:30am it goes out
Brad
You are welcome, Brad!
A 6.2mag sky? Woow! 
Maybe you'll find something to put between you and the billboard?
Or go behind a house?
I have already used the car as a light shield. 
Happy observing!
Amalia
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mirage
professor emeritus
Reged: 09/23/04
Posts: 693
Loc: central texas
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Here's one I put together last summre for Central Texas. It's great for finding backroads to little pockets of darkness.
Standard Bortle Scale colors.
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imber stellarum 10x50 binoculars
architectural advisor
friends of the austin planetarium
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Anonymous
Unregistered
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Limiting Mag: 6.6
Long: -75.35
Lat: 37.49
Eastern Shore of Virginia, about a mile from the Atlantic, 54 miles from the closest shopping mall, movie theater, Taco Bell, etc.
This explains why I have a hard time seeing constellations in the summer. They blend into the rest of the Milky Way!
Maybe I can use this as proof to the wife that I need an observatory out back with a 36" dob.
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BradH
Pooh-Bah
Reged: 06/19/04
Posts: 1008
Loc: Spencer, Indiana
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Amalia
I have may skyshed it the backyard and really no way to block it  just have to wait until it goes of at 1:30am or maybe a driveby with a BB gun 
Brad
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AP 140mm f7.5 StarFire
AP 900 GTO
PST goto Meade DS mount
Mallincam Hyper Color Plus
Skyshed
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Amalia
Reged: 10/16/04
Posts: 5165
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@ Mirage:
Thank you for participating and posting another map!
@ Dave:
You obviously don't need any light pollution map!
But... did you know there is also 7+ sky?
@ Brad:
No guns! Maybe you could ask the responsable if
the lights could be spent earlier? 
It's useless to let them burn so long!
Amalia
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Thick_asa_Planck
Dark Sky Hunter
Reged: 09/04/04
Posts: 3341
Loc: UK
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Great, i'm in a red zone on the GB map...thanks for the link anyway Amalia!
Alex
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It is often commonplace to leave the notation ambiguous - Anonymous
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ClownFish
Post Laureate
Reged: 04/26/05
Posts: 5600
Loc: Islamabad, Pakistan
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I just tried the DarkSky.org and got a 6.6 from my home 
CF
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Learn all about POLAR ALIGNMENT with my Drift Method Tutorial and simulator!! Or visit my Foreign Service Blog!
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Amalia
Reged: 10/16/04
Posts: 5165
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@ Alex: You are very welcome, Alex!
@ Peter: Lucky you! 
Amalia
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