This unique line of about 20 stars is known as ...

Orion's belt
451
Orion's sword
280
Ophiuchus
238
Kemble's cascade
702
It was named by in honour of Father Lucian Kemble (1922–1999), a Franciscan friar and amateur astronomer who wrote a letter to Houston about the asterism, describing it as "a beautiful cascade of faint stars tumbling from the northwest down to the open cluster NGC 1502" that he had discovered while sweeping the sky with a pair of 7×35 binoculars
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