Complex sentence: Sepharial affirmed that Lilith was indeed invisible for most of the time but claimed to have viewed it as it crossed the sun. Lilith soon became incorporated into some horoscopes and some astrologers use it in their calculations to this day.
Split into simpler sentences: Sepharial affirmed that Lilith was indeed invisible for most of the time but claimed to have viewed it as it crossed the sun. Lilith soon became incorporated into some horoscopes. Some astrologers use it in their calculations to this day.