Brihat Samhita
सकृदेकयामदृश्यः सुसूक्ष्मतारो अपरेण मणिकेतुः । ऋज्वी शिखास्य शुक्ला स्तनोद्गता क्षीरधारेव ॥ ११-४४ ॥
Maṇi Ketu is a comet which appears for only 3 hours occasionally; it possesses an invisible disc and appears in the west; its tail is straight and white and it resembles a line of milk drawn from a human breast.
english translation
sakRdekayAmadRzyaH susUkSmatAro apareNa maNiketuH । RjvI zikhAsya zuklA stanodgatA kSIradhAreva ॥ 11-44 ॥
hk transliteration by Sanscript