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Is it possible for a partial lunar eclipse to be a 2 on the Danjon scale? If so, is it possible for this lunar eclipse to have been a 2 on the scale?

Christian Sirolli
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  • Could you define exactly what you mean by a blood moon? (I gather it's a certain number of lunar eclipses within a short period, but I'm unsure. I seem to be getting a lot of contradictory stuff in a search.) – Andy Nov 16 '16 at 10:03
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    @Andy I'd go with the discussion at https://www.timeanddate.com/eclipse/facts-lunar-eclipse.html – Carl Witthoft Nov 16 '16 at 13:47
  • I reworded the question to be more astronomically correct. – Christian Sirolli Nov 19 '16 at 14:45

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If we go with the discussion at Time&Date, it would depend on just how 'red' you want the moon to look. The term "blood moon" is not an astronomical term, nor is it a specific full moon, such as "blue," "harvest," or even these .

Carl Witthoft
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