noun
star watching; stargazing
Casual activity of observing stars, often without professional equipment. The loanword is used in Japanese as a noun.
週末に友達とスターウォッチングに行った。
I went star watching with friends over the weekend.
スターウォッチングには双眼鏡があると便利だ。
Binoculars are handy for stargazing.