Lima’s coastal garúa cloud often blankets the city for weeks, so serious observers watch the Andean foothills inland. When the marine layer retreats, southern winter Milky Way nights open fast.
Urban light plus haze make downtown best for planets and ISS only.
Peru · Pacific coast · ~12.0°S
Check the live Tonight score, best clear window, and next ISS pass on this page, then open a tool with coordinates prefilled.
Learn: Is tonight good for stargazing? · How to see the Milky Way