'Dark skies' diaporamas de présentation

Cabrillo Astronomy

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Scott Butner scottbutner/

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The International Year of Astronomy

The International Year of Astronomy. Vision To help the citizens of the world rediscover their place in the Universe through the day and night time sky, and thereby engage a personal sense of wonder and discovery. Celebration

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Chapter 10 The Stars

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Telescopes

Telescopes. Types of Telescopes. The purpose of a telescope is to collect as much light as possible and focus it into a small area where it can be viewed with an eye or a camera. This can be done in 2 ways: By using a lens to bend, or refract the light By using a mirror to reflect the light

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Dark Skies Awareness Programs for the International Year of Astronomy

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Dark sky parks, a new dimension for protected areas

Dark sky parks, a new dimension for protected areas. David Welch Chair, Dark Skies Advisory Group, IUCN. Starlight 2012, Lake Tekapo, New Zealand, 11-13 June. Overview. Context Appreciating our world under dark skies Ecological impacts of light pollution Main theme: protected areas

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International Year of Astronomy Cornerstone

International Year of Astronomy Cornerstone. Dark Skies Awareness. Connie Walker National Optical Astronomy Observatory, USA. Some slides adapted from the International Dark-Sky Association Images courtesy of The World at Night. FROM IYA Dark Skies Awareness (DSA) TASK GROUP in EUROPE.

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Galaxies, Gas and Radio Telescopes: Eric Wilcots prepared by Ruth Howes Marquette University

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City of Scottsdale SFR Workshop

City of Scottsdale SFR Workshop City Policy for Exterior & Site Lighting Purpose Encourage quality site lighting design while providing a sense of safety and security by reducing excessive light levels, light trespass, and glare. Design Principles

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Lynton & Lynmouth Growing the Local Economy

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International year of Astronomy 2009

International year of Astronomy 2009. 400 years since first observation of Galileo with telescope (mountains on the Moon) Launched by IAU January 2009 in Paris. In 2009, we would like that: Everybody on earth thinks, at least once, about the wonders of the sky,

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The dark side of parks Why and how should natural darkness be managed in protected areas?

The dark side of parks Why and how should natural darkness be managed in protected areas?. David Welch Chair, Dark Skies Advisory Group (IUCN) Starlight workshop, 09-10 November 2009. Ecological integrity Commemorative integrity Astronomy, scientific and amateur

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Preserving Dark Skies: The Role of the Professional Astronomer

Preserving Dark Skies: The Role of the Professional Astronomer. Donald R. Davis & David L. Crawford International Dark-Sky Association Tucson, Arizona USA International Conference on Light Pollution IAU Commission 50 Working Group Conference La Serena, Chile, 5-7 March, 2002.

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PHI LED Street Light Pilot Project October 20, 2009

PHI LED Street Light Pilot Project October 20, 2009. PHI LED STREET LIGHT PILOT PROJECT. Project Overview Background Objectives of Pilot Project Selection of Pilot Locations LED Manufacturers Implementation Plan Q&A. PHI LED STREET LIGHT PILOT PROJECT. Background

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Everglades national park: SOUTH FLORIDA

Everglades national park: SOUTH FLORIDA. SHANNA M. MCCROSSEN. History. The Everglades was established in 1947 to conserve natural landscape and prevent further degradation of its land, plants and animals. It is a span of 1.5 million acres on Florida Bay, which surrounds the Florida Keys.

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Sky Brightness at the Candidate Observatory Sites

Wayne Baggett HAL General Meeting 12/21/2006. Sky Brightness at the Candidate Observatory Sites. Astronomical Needs. Dark Skies Good Seeing High Transparency Many Clear Nights. Dark Skies turned out to be the only one of these we could reasonably use for evaluation purposes.

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Comet Encounter

Comet Encounter. Comet 177P / Barnard 2 will rendezvous with NGC 6543 (Cat's eye nebula) on Sept. 19 th The objects will be just over 1 degree apart Both are about 9th magnitude Great photo opportunity!. Close Encounter. 12 th September Moon passes through Pleiades, occulting two stars

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Examples of good, bad and ugly lighting Source for photos and text:

Examples of good, bad and ugly lighting Source for photos and text: Dr Chris Baddiley BSc. M.Inst.P. Ch.Phys. FRAS. Campaign for Dark Skies. Light Pollution. The Good. The Bad. The Ugly.

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Dark Skies are a Universal Resource. So Are Quiet Skies!

Dark Skies are a Universal Resource. So Are Quiet Skies!. Ronald J Maddalena, and Sue Ann Heatherly National Radio Astronomy Observatory Green Bank, WV. In the Beginning: The Quiet Skies Project.

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