18 March 2017

Spring equinox (20 March)

Sunset at: 6h11m02s p.m        Azimuth: 269°40′ W *
Sunset at:6h13m27s        Azimuth: 270°01′ W  (with refraction)*

The Sunset data take into account the depression of the horizon.

*All data provided by the opensource software “Cartes du Ciel”. The Sun is always below the horizon. Refraction data calculated from weather data (see below).

As you scroll the images, you can read (as provided by my Canon’s Exif data) the exact time when the Sun touches the horizon and the time of the last ray and of the last shot.

On 20 March Sunset at:6h12m48s p.m     Azimuth:270°39′ W  (Data:Cartes du ciel)

Location: https://goo.gl/maps/YYRmq86uXak Gatto Corvino village ( Marina di Ragusa (Rg) Sicily – Ita )

Elevation: 178 mt

Observation: Slight Mock mirage –  SlightGreen rim

Weather Data: weather data kindly provided by Protezione Civile – Porto di Marina di Ragusa (Rg) – Italy, as follows: