Vela SNR
Vela Supernova Remnant

This is an experimental image of the Vela supernova remnant (SNR) in the southern constellation [...]

LED light pollution
Light pollution effects nocturnal and diurnal species

The Region of Waterloo is drafting proposal for a switch to LED street lighting late [...]

Location of Supernova in Centaurus A indicated by green lines.
Centaurus A Supernova in test frame

This is a test image for framing which I took of the prominent Centaurus A [...]

NGC 3372 Eta Carina Nebula
NGC 3372 Eta Carinae Nebula in Ha, O3

The Eta Carinae Nebula, designated NGC 3372, is a southern hemisphere night sky object. It [...]

Unshielded light sends light everyone and up into the night sky at this Kitchener, Ontario commercial building.
Case example: How bad lighting increases light pollution

Shawn NielsenMy story began more than 40 years ago looking up at the Moon with [...]

Insurance industry speaks out about the hidden costs of light pollution
Insurance industry; hidden costs of light pollution

Even the insurance business is taking note of light pollution these days. What is light [...]

March 17 2015 Northern Lights. Shawn Nielsen
March 17th 2015 Aurora

It was a great night for Aurora (Northern Lights) sky watchers here in southern Ontario. [...]

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