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Members: Mirna K., Petra K. Team leader: Željko A.

The "glow in the dark" group. Members: Mirna K., Petra K. Team leader: Željko A. Light pollution. Serious problem in astronomy Specific categories: light trespass, over-illumination, glare, clutter, and sky glow Very negative effect on people, plants and animals. Sky brightness.

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Members: Mirna K., Petra K. Team leader: Željko A.

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  1. The "glow in the dark" group Members: Mirna K., Petra K. Team leader: Željko A.

  2. Light pollution • Serious problem in astronomy • Specific categories: light trespass, over-illumination, glare, clutter, and sky glow • Very negative effect on people, plants and animals

  3. Sky brightness • Sky Quality Meter • mag/arcsec2 • Tičan: 21.0±0.1 • World: • The best: 23.14(Cherry Springs State Park, USA) • The worst: 12(Langhus, Norway)

  4. All-sky imaging • Inox all-sky mirror (spherical) • tripod • Canon EOS 300D / EOS 20D • Lens: 37mm f/4 [Russian] • nice, clear weather...

  5. How fast does the sky dim?

  6. Future plans • Tičan – measurements under different conditions • Pula – current status at the first Istrian observatrory... • Višnjan – sky brightness estimation, map of all the lamps • process the data • polish the all-sky mirror :)

  7. ... and off we go! We might as well go home. With all this stray light, we’ll never see any Messier objects...

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