How to build a Green Screen, Chroma Key for Photography and Video
© The Slanted Lens
© The Slanted Lens
Thursday, February 28, 2013
Thursday, February 21, 2013
Wednesday, February 20, 2013
Golden Hours, sunrise and sunset
Applications for finding your local Golden Hours, sunrise and sunset.
Quote: The term Ephemeris derives from the Greek 'ephemeros', meaning daily.
It is used to refer to tables that give the positions of astronomical objects at given times. Strictly, an ephemeris gives positions in terms of the equatorial coordinates, right ascension and declination. However, given the landscape photographer's focus on the 'golden hours', figures are given here in terms of horizontal coordinates, most typically the azimuth at altitude zero, that is, the time of rising or setting.
Related: Stallarium, a FREE Open Source Planetarium
It is used to refer to tables that give the positions of astronomical objects at given times. Strictly, an ephemeris gives positions in terms of the equatorial coordinates, right ascension and declination. However, given the landscape photographer's focus on the 'golden hours', figures are given here in terms of horizontal coordinates, most typically the azimuth at altitude zero, that is, the time of rising or setting.
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- eBook: Understanding Light
Related: Stallarium, a FREE Open Source Planetarium
Sunday, February 17, 2013
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