Brihat Samhita
शुक्लाः करा दिनकृतो दिवऽदिमध्यान्तगामिनः स्निग्धाः । अव्युच्छिन्ना ऋजवो वृष्टिकरास्ते त्व् अमोघाख्याः ॥ ३०-११ ॥
If the rays of the rising, setting or mid-day Sun should be white, glossy, unbroken and straight the rays are known as Amogha (excellent) rays.
english translation
zuklAH karA dinakRto diva'dimadhyAntagAminaH snigdhAH । avyucchinnA Rjavo vRSTikarAste tv amoghAkhyAH ॥ 30-11 ॥
hk transliteration by Sanscript