Brihat Samhita
शशिकिरणरजतहिमकुमुदकुन्दकुसुमौपमाः सुताः शशिनः । उत्तरतो दृश्यन्ते त्रयः सुभिक्षावहाः शिखिनः ॥ ११-१४ ॥
The Ketus or comets that appear bright like the moon, silver, snow, white jasmine and the white water lily are the sons of the moon; they appear in the north and are in number; when they appear mankind will be happy.
english translation
zazikiraNarajatahimakumudakundakusumaupamAH sutAH zazinaH । uttarato dRzyante trayaH subhikSAvahAH zikhinaH ॥ 11-14 ॥
hk transliteration by Sanscript