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Copia de Le ciel à votre latitude

Move the PositionLat to your latitude (from LatPoleNord to LatPoleSud) Move the DeclinaisonSoleil cursor for the Sun position or move the DeclinaisonEtoile cursor for the Star position. The applet will show the visible part of the sky at your position with the height of the Sun (or star) at noon.
At what latitude is the sun visible all day at winter solstice ? at summer solstice ? Where is the Sun at the Equinoxes in North (or South) pole ?