Astronomical session in Peroamigo, Castillo de las Guardas, Seville

by José Joaquin Galán lunes, agosto 26, 2019

Astronomical session in Peroamigo, near the Castillo de las Guardas, in the province of Seville, at the astronomical observatory of the Catillo de Las Guardas found at 37º 44 '4 "N, 6º 22' 522 W (37.734331, -6.381235) at 467 meters high in the Sierra Norte de Sevilla, with a radiance of 0.30 x 10¯⁹ watt/cm²*sr.