"The Observer Effect" is a short story by Squibstress. It was written for the 2012 Minerva Fest on LiveJournal.

The title refers to a term that describes a phenomenon in particle and quantum physics whereby the act of observing or measuring a parameter, object, or event will change it.

"The Observer Effect" was nominated as "Best Darkfic" in the Fall/Winter 2012 HP Fanfic Fan Poll Awards. It was a featured story on Mugglenet Fanfiction.


Minerva McGonagall is obsessed with Severus Snape. She observes his progress from boyhood through his installation as Headmaster of Hogwarts.


  • Minerva McGonagall
  • Severus Snape


"The Observer Effect"

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