View Full Version here: : Light Pollution - a demonstration
GraemeT
07-07-2010, 06:28 AM
I had a unique experience this morning, I go for a walk every morning at 5.30 and usually see Jupiter overhead and this week, the waning crescent, but today there was Orion blazing in all his glory rising in the northeast! A few minutes later, my walkman told me that the area to my northeast was experiencing a massive blackout, no street, house or traffic lights, on the return walk, all the stars in the south were struggling to peek through, as usual.
Cheers
Graeme
psyche101
08-07-2010, 04:29 PM
Horrid stuff isn't it! I live in the Gold Coast Hinterland. Earth night makes the stars over Surfers Paradise come out for their annual visit. (when everyone turns their lights off)
It's really quite amazing isn't it! :eyepop:
When I went to my first dark site a few weeks ago, half way through our trip, I couldn't get over looking behind and seeing the light pollution as compared to when I turned around and looked straight ahead, which was dark (was about half an hour away from lights, with another half an hour to go).
Esseth
18-07-2010, 03:11 PM
Yeah, coming from the city it is like :O wow.
Recommend it for anyone, you don't even need to take the scope lol
shelltree
18-07-2010, 05:35 PM
It certainly is amazing how much difference it makes. I went to Hastings Point, NSW early Saturday morning for a sunrise photography outing and the amount of stars you could see just being that far out was phenomenal! I could even see the Pleiades open cluster with the naked eye (or at least I'm fairly certain that's what I saw, I could be wrong!)
Paduan
19-07-2010, 12:29 PM
light pollution is really bad for those of us stuck in the city, i have a streetlight right on my fence that lights my backyard for me which i thought was great until i bought my telescope about 6 months ago :(. unfortunately i have the city to the north and the council provided pollution to the south. i did not realize how much pollution there was until i went to a dark site now i try and go once a week
ballaratdragons
19-07-2010, 03:10 PM
Pleiades!!!
I would have thought Plieades would be visible from the 'burbs' as it is so bright.
Damn, that is bad.
shelltree
19-07-2010, 05:04 PM
You're probably right but I'm never usually up early enough to see it :P My backyard is probably one of the better ones in suburbia as I live on a four acre block at the end of a no through road. It use to be darker until they put all these pointless street lights in.
GrahamL
20-07-2010, 07:51 PM
Visitng family in Brisbane and the bayside there are some passable spots here and there for observing I've noticed , not great but good enough :thumbsup:
Though you wonder what it will be like in another 10 years , Brisbanes light dome is noticable 200 kms away from the south.
tlgerdes
26-07-2010, 08:26 PM
You can see Pleiades from the Burbs fairly easily. Well at least i can from the centre of Sydney. Anything brighter the Mag4 is visible.
I try to look on the bright side (umm, no pun intended :rolleyes:) - most of us can get to pretty good dark skies with a 1hr drive. There's actually not a lot of countries/cities around in the world where that is true. And generally we're looking up through pretty clear air, albeit not necessarily free of turbulence of course.
I'm so looking forward to seeing the arch of the milky way again from one horizon to the other at Astrofest next month....:)
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