'Sky brightness' presentation slideshows

Imaging and Deconvolution

938 views • 73 slides

Good bye, blue sky

Good bye, blue sky. UBVRI Night Sky Brightness at ESO-Paranal during sunspot maximum F. Patat - ESO. Photo by Leo[p]ardo Vanzi-ESO. The components of the sky background. Extra Terrestrial Zodiacal light (solar spectrum); Milky Way (diffuse stellar continuum); Faint stars and galaxyes;.

584 views • 46 slides

Light pollution : A problem for humanity

Donald R. Davis International Dark-sky Association 8 June, 2004. Light pollution : A problem for humanity. The Inspirational.

583 views • 41 slides

546 views • 39 slides

Comet Ephemerides with Geometry and Visibility Info

Comet Ephemerides with Geometry and Visibility Info. by Steve Albers. DEC, RA, Distance from Sun and Earth Magnitude, Tail Length, Tail orientation Phase Angle, Elongation Rise/Set Times, Time/Altitude for best viewing Visibility compared to naked eye, binocular thresholds

401 views • 29 slides

IPO-light

471 views • 25 slides

Determining Cloud Liquid Water Path from Radiometer measurements at Chilbolton

Determining Cloud Liquid Water Path from Radiometer measurements at Chilbolton. Chilbolton radiometers pointing at zenith via reflector plate angled at 45 o. 10 second integration. 22.2, 28.8 & 37.5 GHz radiometers. ~2.5 degree beam width.

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283 views • 22 slides

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????????? ??????? ?????? ? ???????????? ????????? ??????. ?. ?. ?????? AESS , ?????; ???, ??????. SIMULATOR FOR MICROLENS PLANET SURVEYS ?????? ??????? ????????? ???? ? ???????? ???????????? ?????? ????? ??? ?????????? ??? ?????? ?????????? ??????? ?????????????????. ?. ?. ??????

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SIMULATOR FOR MICROLENS PLANET SURVEYS

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SIMULATOR FOR MICROLENS PLANET SURVEYS

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ASTC22. Lecture L16 Spiral galaxies - observations

ASTC22. Lecture L16 Spiral galaxies - observations. Why do we need interferometry? Measuring the gas distribution and rotation in disk galaxies: radio observations with interferometer arrays and aperture synthesis Why is surface brightness independent of distance?

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Exposure Time Calculator

Exposure Time Calculator. Perry Gee UC Davis August 13, 2007. Changes this year in the ETC . C call interface using an anonymous pipe Modifications to the sky brightness model New dark sky magnitudes Model of lunar effect on sky brightness Effects of OH emissions in Y band

258 views • 14 slides

Team Ramrod Final Presentation

Team Ramrod Final Presentation. Dan Armel, Michaela Cui, Andrew Grimaldi, Kyle Kemble, Silvia Peckham, Chris Sawyer & Kelsey Whitesell. 6 th December 2007. Mission Overview.

245 views • 11 slides

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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235 views • 7 slides

LSST Exposure Time Calculator

Lunar Elevation Moon/Observation Angle. Variable Observing Conditions Seeing (fwhm) Airmass. Cloud Cover Lunar Phase Angle. AB mag/arcsec 2. m = p 0 + p 1 * ? + p 2 * ? 2. lunar phase angle ? in degrees. LSST Exposure Time Calculator

127 views • 1 slides

Abstract

EX5. P98. EPSC2013-331. Maximizing planet detection zone area Microlensing is unique in its sensitivity to wider-orbit (i.e. cool) planetary-mass bodies .

152 views • 1 slides