Long Days, Black Night: The Alternative Anthology is a compilation album by the English rock band Magnum.

This album contains material from Kingdom of Madness, Magnum II, Marauder, Chase The Dragon, The Eleventh Hour, Invasion Live, On A Storyteller's Night, Stronghold, Rock Art, Keeping The Nite Light Burning and Archive.

At the time of its release, the only rarities this compilation offered were four tracks performed on the BBC Friday Rock Show session on 27 May 1983.

The session was later reissued on The Eleventh Hour in 2005 with the Sanctuary Records remastered and expanded series.

Bonus tracks: BBC Friday Rock Show session 27 May 1983 for Keeping The Nite Light Burning, The Red Lemon Horns for the BBC Friday Rock Show session 27 May 1983