Answer: stargazing

AnswerCrossword Clue
STARGAZINGNaked eye astronomy
STARGAZINGSummer camp activity
STARGAZINGWorking at Mt. Palomar.
STARGAZINGDaydreaming.
STARGAZINGActivity at Palomar
STARGAZINGOscar night activity, jocularly
STARGAZINGStaring at celebs on the red carpet?
STARGAZINGObservatory activity
STARGAZINGSome late-night viewing
stargazingSTARGAZE, to gaze at the stars