星せい座ざ早はや見み

noun

planisphere; star chart wheel

A rotating star chart used to see which constellations are visible at a given date and time.

• 星せい座ざ早はや見みを使つかって今こん夜やの星ほし空ぞらを調しらべた。

  I used a planisphere to check tonight's starry sky.