Preserving the Night Sky

I’m always looking up…at least at night.

Ever since I was a young lad, I’ve always had a fascination with the night sky.  I remember crawling out of bed in the middle of the night, grabbing my trusty Tasco telescope (the cheap kind you find in toy stores), and heading out to the back yard just to see a constellation or a particular star that I hadn’t seen before.

As an adult, I have a much larger (and more expensive) telescope and still enjoy staying up late, or waking up very early, to see something in the night sky I haven’t seen before, or just look at something I’ve seen a million times and still find beautiful and fascinating. This has been quite a challenge over the last 28 years living in the Denver metropolitan area. If you live in a city like Denver, you know that the night sky is pretty washed-out by the mass of lights emitting from the city. Only the brightest stars and planets can cut through the light pollution. Using a telescope can be an additional challenge as the scope can magnify the pollution so much that faint objects get washed-out in the eyepiece. In my particular case, it didn’t help that I had a next-door neighbor who felt he had to light up his backyard to almost daylight levels. My only option for getting a decent view of the night sky was to travel a long distance away from the city.

Just last month, my wife and I moved from our long-time home in the Denver area to the mountain hamlet of Carbondale, Colorado. In keeping with its reputation as a progressive, if somewhat quirky community, the town of Carbondale enacted a rather strict lighting ordinance that requires exterior lighting to be directed downward and not to the side and up, which is the primary cause of light pollution. I learned first-hand how strict this ordinance is: during the process of building our new home,  we submitted requests to use several different light fixtures and all were turned down by the city building department. It was becoming quite a challenge to find a fixture that would meet Carbondale’s strict lighting code, but would still look good on our house.

Dark Sky Light Bulb

Dark Sky Light Bulb

I finally came across a “Dark Sky” light bulb that is nothing more than a standard CFL bulb sheathed in a conical housing that directs the light downward. So, we installed these bulbs in what would otherwise be a non-compliant fixture and bingo: approved light fixture. The Carbondale city inspector was actually excited about my discovery of these bulbs as other homeowners and businesses were also having trouble finding compliant exterior light fixtures.

The light bulb I found is made by a company called Bulbrite. I bought a package of six bulbs for $50. Kind of pricey, but being CFL’s, they should last several years and it meant saving money on an expensive light fixture that met Carbondale’s strong dark sky requirements.

The fixtures in our Denver home were not even close to being dark sky compliant as you can see in the photo below:

Denver home with normal light bulbs installed

Here is our new home in Carbondale with the Dark Sky bulbs installed in the exterior light fixtures. As you can see, the Dark Sky light bulbs pretty much illuminate the same surface area without blasting light out to the sides and upward:

IMG_0930

The International Dark Sky Association (IDA) gives the best reasoning for dealing with the scourge of light pollution:

Once a source of wonder–and one half of the entire planet’s natural environment—the star-filled nights of just a few years ago are vanishing in a yellow haze. Human-produced light pollution not only mars our view of the stars; poor lighting threatens astronomy, disrupts ecosystems, affects human circadian rhythms, and wastes energy to the tune of $2.2 billion per year in the U.S. alone.”

The economic advantages alone should convince most people of the importance of keeping the night skies dark. If you’re limiting your lighting downward, your wattage requirements can be significantly reduced over a light that shines all over the place. I can definitely attest to the economic reality of directed lighting:  We had 100 watt bulbs in the Denver home fixtures; the Dark Sky bulb has a power use of only 15 watts and covers the same surface area.

Carbondale’s lighting ordinance can be a pain, but I was happy to comply. It’s been so many years since I’ve been able to look at a truly dark night sky from my own backyard, and I support the town’s efforts keep their skies dark for future generations. I’m delighted to live in a community that shares my desire to see a night sky full of stars instead of a yellow muck.

To find out more about the harmful effects of light pollution and community efforts to darken the night skies, check out the IDA website at www.darksky.org.

Keep looking up!

Advertisements

About Mike

I have a passion for adventure travel that began in 1989 with my first overseas trip: climbing Mt. Kilimanjaro in Tanzania. Having never been to a foreign country, Africa felt like being on another planet; I knew then and there I was hooked on travel. Since that time, I have visited all seven continents and dozens of countries. I’m using the experience I’ve gained in planning my own trips to help my clients plan their own adventures through my adventure travel company (http://www.offtrailtravel.com). After working as a firefighter for the US Forest Service in California and Wyoming for three years, I moved to Durango, Colorado where I graduated from Fort Lewis College with a degree in accounting. After graduation I moved to the Denver area where I worked in a Big Eight accounting firm to obtain my CPA license; soon afterward I began a career as an auditor with the Colorado Department of Education. My background in accounting helped me develop detailed-oriented skills that have been extremely useful in researching and planning my own travel over the years. I think this provides a unique asset to my clients in putting together their adventure travel plans. I currently live in Golden, Colorado with my wife Valerie, who shares my love of adventure travel. I’m an active member of the Colorado Mountain Club where I lead trips for club members and have taught ski lessons in their Telemark Ski School. I enjoy skiing, mountain hiking, trail running, photography, and astronomy. I take any opportunity I can get to explore new places, whether it’s on the other side of the world or just down the road.
This entry was posted in Uncategorized and tagged , , , , , , , , . Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s