Quote:
Originally Posted by bojan
I guess my underlaying question was:
"Is there anything we (amateur astronomers) are doing about it?"
I think amateur astronmer's community in Ballarat is very strong (per capita), compared to Melbourne. So theoretically we should have much stronger influence in what council is doing about it.. or not?
I am sure Ballarat council is at some point made aware of the existence of people who would like less light pollution.. (or at least more environmentally and astronomy friendly lighting), after all Ballarat has very vivid astro-history (and Municipal Observatory and Musem is the testimony to that), so is there any specific action/movement established to monitor the deterioration of sky condition and to remind local authorities about the problem?
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Well, advocate less intrusive lighting such as:
* 3000K LED lamps instead of the harsh 5000K. There are even AlInGaP LEDs which have a sodium yellow color (usually on destination signs on buses or signs on road works), those are not so narrow banded as real low pressure Na lamps, but fairly narrow (550-630nm).
* Motion detection lights for security lighting
* Low light output in the wee hours. LEDs can far easily be dimmed than sodium, HID or fluorescent lamps.