hag_sun_dg.jpg
© 2002 Sol Invictus/HJP Arnold
Tuesday, 1 January 2002
Photographed with a Nikon Coolpix 5700 digital camera which was on test. The shutter speed selected in auto mode was 1/635 second at an aperture of f/7.4 and the zoom lens was at a (35mm camera equivalent) focal length setting of 280mm. CCD sensitivity wa
Despite thickening cloud, a prominent parhelion or sundog was seen for some minutes in the Havant area on 18 September 2002. The phenomenon � caused by the refraction of sunlight by ice crystals in certain cloud formations, particularly cirrus �