Every day our eyes catch the light of our memories – time spent with family, the journey to work, a special holiday, a beautiful sunset or a dark starlit night. Each image captured is a picture drawn in light – a photograph: only to be lost in our minds or forever forgotten. Nearly two hundred years ago a small group of amateur scientists achieved what had eluded mankind for centuries – the ability to capture a permanent record of an image seen by their own eyes – a moment in time frozen onto a surface. They had discovered Photography. They were the ‘Catchers of the Light’.

Saturday, January 24, 2009

NGC 7000 California Nebula

A small part of the NGC7000
24/07/2008 Kallithea Athens Greece

Test shot 2x10min Ha 5nm Astrodon filter
William Optics FLT110
SBIG ST10XME
EQ6 Pro
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Friday, January 23, 2009

NGC 6946 unfinished

Unfinished image
only 45 minutes total exposure from Athens Greece
19/7/2008

William Optics FLT110 with TMB flattener
SBIG ST10XME
EQ6PRO
ZenithStar 80 II ED
DSI and PHD GUIDING
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Tuesday, January 6, 2009

Light Pollution in Athens Greece

Night-time light emissions over Greece on 19/09/2001

Modelling of light pollution in suburban areas using remotely sensed
imagery and GIS

C. Chalkiasa,*, M. Petrakisb, B. Psilogloub, M. Lianoub
Department of Geography, Harokopio University
Institute of Environmental Research and Sustainable Development, National Observatory of Athens, Greece
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