The Surya Siddhanta, an ancient Indian astronomical text, was translated into Arabic in the 9th century and had a profound impact on Islamic astronomy.

Aryabhata, an Indian astronomer and mathematician, made significant contributions to astronomy, and his work had a lasting impact on Islamic astronomy.

Bait al-Hikmah, also known as the House of Wisdom, was an observatory and library established in Baghdad in the 9th century by the Abbasid caliph al-Ma'mun.

The Indian astronomical concept of 'jya', which refers to the sine of an angle, was adopted by Islamic astronomers and became known as the 'sine of the amplitude'.

The astrolabe, an instrument used to measure the altitude of celestial objects, was introduced to Islamic astronomy through Indian influences.

The Pulisa method, an Indian astronomical technique for calculating the positions of planets, was adopted by Islamic astronomers.

Brahmagupta, an Indian astronomer and mathematician, visited the court of the Abbasid caliph al-Mansur in the 8th century.

The Indian astronomical concept of 'karanas', which refers to the equation of time, was adopted by Islamic astronomers.

The Isfahan Observatory, also known as the Malik Shah Observatory, was built by the Seljuk sultan Malik Shah I in Isfahan in the 11th century.

The Indian astronomical concept of 'kotijya', which refers to the sine of the zenith distance, was adopted by Islamic astronomers.

Varahamihira, an Indian astronomer and astrologer, visited the court of the Umayyad caliph Abd al-Malik ibn Marwan in the 7th century.

The Indian astronomical concept of 'madhyama', which refers to the equation of the center, was adopted by Islamic astronomers.

The Ulugh Beg Observatory, also known as the Samarkand Observatory, was built by the Timurid ruler Ulugh Beg in Samarkand in the 15th century.

The Indian astronomical concept of 'jya koti', which refers to the sine of the declination, was adopted by Islamic astronomers.