Phaladeepika
अप्रकाशाः सचरन्ति धूमाद्याः पंच खेचराः । क्वचित्कदाचिद्दृश्यन्ते लोकोपद्रवहेतवे ॥ २७॥
The five Upagrahas Dhuma etc., traverse the sky without being seen. If at any time they are visible any where, they foreshadow something evil to the world.
english translation
aprakAzAH sacaranti dhUmAdyAH paMca khecarAH । kvacitkadAciddRzyante lokopadravahetave ॥ 27॥
hk transliteration by Sanscript