An Etymological Dictionary of Astronomy and Astrophysics
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Of, pertaining to, treating, or characteristic of → history or past events (Dictionary.com). → historical supernova.

→ history; → -al.

A supernova event recorded in the course of history before the invention of the telescope. The well recorded supernovae of this small group are SN 185, SN 1006, SN 1054 (→ Crab Nebula), SN 1181, SN 1572 (→ Tycho's star), and SN 1604 (→ Kepler's star).

→ historical; → supernova.