Four astro-nights were attended: two in hotel Las Olas (sea level),
one in the astronomical mirador Montana Las Toscas (alt 740m)
and another full night in the astronomical observatory
Roque de los Muchachos (altitude 2300m).
Photo credits: Attila Munzlinger, Valentin Grigore, Nelu Rugan;
timelapse by Attila Munzlinger.
