Partial eclipse | |||||||||||||
Date | 19 November 2021 | ||||||||||||
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Gamma | -0.4552[1] | ||||||||||||
Magnitude | 0.9742[1] | ||||||||||||
Saros cycle | 126 (46 of 72[1]) | ||||||||||||
Partiality | 208 minutes, 23 seconds[1] | ||||||||||||
Penumbral | 361 minutes, 29 seconds[1] | ||||||||||||
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A partial lunar eclipse occurred on 19 November 2021. The eclipse occurred towards a micromoon.[2] This was the longest partial lunar eclipse since 18 February 1440, and the longest until 8 February, 2669; however, many eclipses, including the November 2022 lunar eclipse, have a longer period of umbral contact at next to 3 hours 40 minutes.[3] It was often referred to as a "Beaver Blood Moon" although not technically fulfilling the criteria for a true blood moon (totality).
This lunar eclipse was the second of an almost tetrad, the others being 26 May 2021 (T), 16 May 2022 (T) and 08 Nov 2022 (T).