Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 5 · Portents, Comets
ग्रहचारः केतवश्च
दंडाकारे कबंधे वा ध्वांक्षाकारेऽथ कीलके ।दृष्टेऽर्कमण्डले व्याधिर्भ्रांतिश्चोरार्थनाशनम् ॥ ४ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 4.
Say a shape like a rod, a headless trunk, a crow or a peg is seen in the Sun's disc. Then there is illness, confusion, and loss of wealth to thieves.
Simple meaning: A rod, crow or peg shape on the Sun's disc points to illness, confusion and theft.
Classical view, not medical advice.
छत्रध्वजपताकाद्यसन्निभस्तिमितैर्ध्वनैः ।
Smoky umbrella or flag shapes with sparks on the Sun's disc can bring harm to the world.
सितरक्तैः पीतकृष्णैर्वर्णैर्विप्रादिपीडनम् ।
Coloured marks on the Sun may trouble the four classes. Many-coloured marks can put royal lives at risk.
ऊर्द्धैर्भानुकरैस्ताम्रैर्नाशं याति चमूपतिः ।
Copper, yellow, white or many-coloured upward Sun rays point to risk for the army chief, prince, priest or people.