Abd al‑Rahman al‑Sufi (Azophi) — Persian Astronomer and Author of the Book of Fixed Stars Abd al-Rahman al-Sufi 10th‑century Persian astronomer Abd al‑Rahman al‑Sufi (903–986), known as al‑Sufi or Azophi, wrote the Book of Fixed Stars and recorded early observations such as the Andromeda 'cl…
Andromeda (constellation) Northern constellation named for the mythical princess; contains the Andromeda Galaxy (M31), several bright stars and deep‑sky objects, and figures prominently in history, mytholog…
