New Streetlights

10 years 6 months ago #80950 by lunartic
New Streetlights was created by lunartic
Hi there

I was out observing last light and one thing I did notice is that the council installed new lights recently, in the mist I could see that they cast a cone of light down towards the footpaths, there was a distinct boundary btween light and dark, so maybe they are onto something with regards to better streetlighting.

Paul

Programming today is a race between software engineers striving to build bigger and better programs, and the universe trying to produce bigger and better idiots. So far, the universe is winning.

Rich Cook

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10 years 6 months ago #80957 by Graham
Replied by Graham on topic Re:New Streetlights
Brilliant!!

I just hope that the are going to replace existing lights and not just on new installations!

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10 years 6 months ago #80977 by lunartic
Replied by lunartic on topic Re:New Streetlights
These were replacements Graham , sorry for the confusion. There are still some of the older soldium lights around the area and the difference is noteable.

Programming today is a race between software engineers striving to build bigger and better programs, and the universe trying to produce bigger and better idiots. So far, the universe is winning.

Rich Cook

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10 years 6 months ago #80979 by albertw
Replied by albertw on topic Re:New Streetlights
Can you post a picture.

It sounds as though its part of the ESB's ongoing (for a few years now) replacement of old lights.

Albert White MSc FRAS
Chairperson, International Dark Sky Association - Irish Section
www.darksky.ie/

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10 years 6 months ago #80982 by lunartic
Replied by lunartic on topic Re:New Streetlights
See my posting Guess What I Came Home To Last Night?, in the light pollution section for some images, even if they are not great.

Programming today is a race between software engineers striving to build bigger and better programs, and the universe trying to produce bigger and better idiots. So far, the universe is winning.

Rich Cook

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10 years 6 months ago #81000 by albertw
Replied by albertw on topic Re:New Streetlights
lunartic wrote:

See my posting Guess What I Came Home To Last Night?, in the light pollution section for some images, even if they are not great.


Ah ok. Sorry I thought you were talking about some even newer lights!

Yea those look like the ESB ones that we talked about before here. Since you are in Dun Laoghaire Rathdown (iirc?) ESB Networks looks after your streetlights.

The next generation might be dimmable and you'll possibly be able to send a text message to get it turned down when observing. Or so the European Expert on dimmable intelligent streelighting tells me (he's from Mayo) and will be talking at the Symposium later in the week. :)

Albert White MSc FRAS
Chairperson, International Dark Sky Association - Irish Section
www.darksky.ie/

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10 years 6 months ago #81003 by mjc
Replied by mjc on topic Re:New Streetlights
I take it then that texting rather than using a green laser is more socially acceptable?

Mark

P.S.
I don't advocate the the use of lasers to switch off street lights. But it does beg the question - should an individual citizen decide that a particular street light should be off - or dimmer - at any particular moment in time?

P.P.S I'm all for reduction in light pollution.

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10 years 6 months ago #81005 by Graham
Replied by Graham on topic Re:New Streetlights
They should just have those PIR sensors so they will only turn on when your near them, if it sense's a person just a nice dim light to see the footpath and if it senses a car then something brighter to see the road! but it should swith off when nobody needs light!

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10 years 6 months ago #81199 by albertw
Replied by albertw on topic Re:New Streetlights
mjc wrote:
P.S.
I don't advocate the the use of lasers to switch off street lights. But it does beg the question - should an individual citizen decide that a particular street light should be off - or dimmer - at any particular moment in time?[/quote]

The case of dimming the streetlight would be an exception. In general an individual citizen would not be permitted to do that; however its technically possible; so if you had an observatory in your garden and were on good terms with the council then it could be arranged.

In the general case this will work in the opposite way. Basically with the intelligent technology it becomes easy for streetlights to be dimmed or turned off completely as standard. So every night at midnight say the lights would dim down (or go off in some cases). Then you as a citizen could send a text to have the light at your house turned on for say 15 minutes.

Have a look at Sean Noone's talk at www.ustream.tv/recorded/2181443 (we'll have better video in a week or three; thats a recording of the live stream)

Albert White MSc FRAS
Chairperson, International Dark Sky Association - Irish Section
www.darksky.ie/

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10 years 6 months ago - 10 years 6 months ago #81395 by Seanie_Morris
Replied by Seanie_Morris on topic Re:New Streetlights
I took some mental notes over the weekend along my travels, and I note that Offaly County Council have installed FCO Lighting on all intersections along the new Tullamore bypass, opening imminently. I also noticed that lighting on the Ballinasloe bypass is also FCO lighting. Already, the junctions along the M6 are all using FCO where there are regular lighting poles used.

2 weeks ago, I encountered the M3 works near Navan and Kells, and noticed that the lighting going up (but not switched on yet) is also FCO.

It seems to be the norm lately that the majority of new lighting going up along artery developments are using FCO fixtures now.

Within the town of Tullamore, the Town Council have been replacing the older high pressure sodium lights on most of the existing older poles with Semi-FCO lighting.

Seanie.

Midlands Astronomy Club.
Radio Presenter (Midlands 103), Space Enthusiast, Astronomy Outreach Co-ordinator.
Former IFAS Chairperson and Secretary.

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10 years 5 months ago #81607 by albertw
Replied by albertw on topic Re:New Streetlights
Seanie_Morris wrote:It seems to be the norm lately that the majority of new lighting going up along artery developments are using FCO fixtures now.

Within the town of Tullamore, the Town Council have been replacing the older high pressure sodium lights on most of the existing older poles with Semi-FCO lighting.[/quote]

You are giving the Co. Co. a bit too much credit there :-)

The lights on bypasses and motorways are the responsibility of the NRA who have been exclusively using FCO's for about 6 years now.

And the town lights will have been replaced by the ESB as part of standard maintainence. Their policy is to replace the older lights with the curved tempered glass designs. They still allow ~1% of the light to go up along the horizon which is still going to contribute significantly to skyglow but its progress. The ESB have been doing this for about 3 years now nationwide.

Albert White MSc FRAS
Chairperson, International Dark Sky Association - Irish Section
www.darksky.ie/

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