
Dark sky exterior light fixtures are a crucial step in the fight against pollution, specifically light pollution. They're designed to minimize the amount of light that escapes into the atmosphere, reducing the impact on our environment.
These fixtures use specialized lenses and shielding to direct light downwards, away from the atmosphere. This helps preserve the natural darkness of the night sky for astronomers and others who rely on it.
By reducing light pollution, dark sky exterior light fixtures can help mitigate the negative effects on wildlife, including disrupted migration patterns and breeding habits.
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Dark Sky Exterior Light Fixtures
This Dark Sky approved outdoor wall light is designed to help combat light pollution.
States across the US have adopted outdoor lighting ordinances based on the five principles outlined by the International Dark Sky Association, including reducing glare and minimizing light trespass.
The Dark Sky Light is an effective and stylish way to enjoy outdoor lighting without disrupting the night sky, constructed from fade and rust resistant composite material.
It features an attractive black or white finish and comes equipped with 9.5W A19 LED lamps, making it a great option for those looking to reduce their environmental impact.
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Description
Dark Sky exterior light fixtures are designed to reduce light pollution and preserve the night sky. They emit no light below the horizontal plane.
These fixtures use warm-toned 3000K light sources, which are more gentle on the eyes and the environment. They also minimize glare and light trespass.
Many states in the US have adopted outdoor lighting ordinances based on the International Dark Sky Association's five principles. These principles aim to reduce the impact of outdoor lighting on the night sky.
Dark Sky light fixtures are constructed from durable, fade-resistant composite materials. They come in attractive black or white finishes and feature a wall mount design with an E26 socket.
The fixtures are UL listed for wet locations and can withstand temperatures as low as -20ºF.
Types of Fixtures
Dark Sky Exterior Light Fixtures come in various types, each designed to minimize light pollution and preserve the natural darkness of the night sky.
There are two main types of fixtures: directional and omnidirectional. Directional fixtures, such as spotlights, are designed to focus light in a specific area, reducing spill light and glare.
For another approach, see: Different Types of Ceiling Light Fixtures
Omnidirectional fixtures, like floodlights, distribute light evenly in all directions, often used for area lighting.
Uplighting fixtures, like wall-mounted sconces, direct light upwards, creating a sense of depth and highlighting architectural features.
Downlighting fixtures, like recessed lights, shine light downwards, often used for task lighting and highlighting specific areas.
The type of fixture used depends on the desired effect and the specific needs of the space.
Understanding Light Pollution
Light pollution is a real issue that affects the quality of our night sky. It's caused by poorly placed lighting that shines upwards or out to the sides, illuminating adjacent properties and the night sky.
The effects of light pollution can be seen in the form of "sky glow", where light is bounced up from reflective surfaces or shines directly into the sky. This can make it difficult to see the stars and other celestial objects.
Dark Sky Lighting is a movement that aims to reduce light pollution by using special lighting fixtures that direct light downwards to the ground. This type of lighting is designed to minimize "light trespass" and "sky glow."
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In fact, many communities are legislating "dark sky" ordinances to control light pollution. These regulations often call for dark sky outdoor lighting and specify the types of reflectors, shields, cut-off angles, and bulb types that may be used on new or existing structures.
Dark Sky compliant lighting fixtures are designed to be fully-shielded and point downward, ensuring minimal light trespass. They're also wisely managed with the use of timers and window blinds to prevent any impact on the night sky.
Residential light reduction is also crucial in reducing light pollution. By updating our own exterior lights to be dark sky approved, we can make a significant impact on preserving the night sky.
Reducing Light Pollution
You can reduce light pollution by installing lighting that is properly shielded and efficient. This can be done by choosing a Steel Lighting Dark Sky compliant light fixture.
These fixtures reduce blue light emissions and limit light trespass. They help contribute to a pollution-free night sky.
Properly positioned lights direct light downwards to the ground rather than out to the sides or into the night sky. This is achieved by following dark sky outdoor lighting regulations.
Dark sky ordinances often specify the types of reflectors, shields, cut-off angles, and bulb types that may be used on new or existing structures.
Benefits of Dark Sky Fixtures
Buying dark sky fixtures can make a big difference in your outdoor lighting. They reduce glare and improve visibility by directing most of the light output down towards the ground.
This approach not only saves energy and money by reducing the wattage and number of lights needed, but it also creates a more subtle and visually pleasing effect on your property.
Investing in warm, low kelvin lights is also a great idea. Lights with a kelvin color temperature of 3300k or lower are perfect for exterior use and are better for the night sky.
Reasons to Switch
Switching to dark sky fixtures can have a significant impact on your energy bills. By directing most of the light output downwards, you can reduce the wattage and number of lights needed to illuminate an area, saving you money.
This approach also improves visibility by reducing glare. Downlighting with efficient fixtures creates a more subtle and pleasing effect on your property.
You can achieve this by installing fixtures that aim most of their light output towards the ground. This simple change can make a big difference in how your property looks and feels.
Invest in Warm
Invest in warm, low kelvin lights, like those with a color temperature of 3300k or lower, which are great for exterior use and better for the night sky.
The kelvin color temperature scale measures the wavelength of light being produced by a light source, and it ranges from 1000k to 10000k.
Lights with a lower kelvin rating produce warmer light, with 1000k being the warmest light on the scale.
This means that by investing in warm, low kelvin lights, you can reduce light pollution and preserve the natural darkness of the night sky.
Practical Tips
Consider using motion sensor outdoor lights that turn on when you need the light and turn off when you don’t. This can help reduce energy consumption and minimize light pollution.
Sometimes less is more, and reducing the wattage on your outdoor bulbs can be a good idea. For example, you can switch from 100 to 50 watts, which is a significant reduction.
Fixtures for driveway areas, walkways, garden areas, and street lighting should direct all of their light to the ground. This helps prevent light from being wasted upwards and reduces light pollution.
Avoid uplighting, as it can harm the visibility of the night sky. Instead, focus on downlighting to create a safer and more energy-efficient outdoor space.
Be considerate of your neighbors and avoid light trespass and blinding glare that spills over into neighboring yards. This is especially important if you live in a densely populated area.
Using the most efficient lamp suitable for your needs can help you save money in the long run. It's also better for the environment and can help reduce your carbon footprint.
Case Study
In the Heber Valley, a steady population increase has led to a significant rise in light pollution, making it harder to preserve the night sky.
The most effective way to reduce light pollution is through citizen participation, where residents update their exterior lights to be dark sky approved.
Retrofitting and updating city lights is a crucial step, but widespread residential light reduction would have a tremendous impact on the dark sky.
Heber Valley's light pollution can be effectively reduced if citizens follow these 3 steps.
The population increase in the Heber Valley has led to a significant rise in light pollution, making it harder to preserve the night sky.
Updating exterior lights to be dark sky approved is a simple yet effective way to contribute to a reduction in light pollution.
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