October 2023 lunar eclipse

A partial lunar eclipse will take place on Saturday, 28 October 2023.

October 2023 lunar eclipse
Partial eclipse
Date28 October 2023
Gamma0.9471
Magnitude0.1220
Saros cycle146 (11 of 72)
Partiality77 minutes, 21 seconds
Penumbral264 minutes, 34 seconds
Contacts (UTC)
P118:01:47
U119:35:18
Greatest20:14:03
U420:52:39
P422:26:20

Visibility

It will be completely visible over Europe and most of Asia and Africa, will be seen rising over the eastern Americas, and setting over Australia.


Visibility map

Eclipses of 2023

Lunar year series
Lunar eclipse series sets from 2020–2023
Descending node   Ascending node
Saros Date Type
Viewing		 Gamma Saros Date
Viewing		 Type
Chart		 Gamma
111
 2020 Jun 05
 Penumbral
 1.24063 116
 2020 Nov 30
 Penumbral
 −1.13094
121
 2021 May 26
 Total
 0.47741 126
 2021 Nov 19
 Partial
 −0.45525
131
 2022 May 16
 Total
 −0.25324 136
 2022 Nov 08
 Total
 0.25703
141
 2023 May 05
 Penumbral
 −1.03495 146 2023 Oct 28
 Partial
 0.94716
Last set 2020 Jul 05 Last set 2020 Jan 10
Next set 2024 Mar 25 Next set 2024 Sep 18

Saros series

This eclipse is part of Saros cycle 146.

Metonic series

This eclipse is the last of four Metonic cycle lunar eclipses on the same date, 28–29 October, each separated by 19 years:

The metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the earth's shadow will in nearly the same location relative to the background stars.

Metonic events: May 4 and October 28
Descending node Ascending node
  1. 1966 May 4 - Penumbral (111)
  2. 1985 May 4 - Total (121)
  3. 2004 May 4 - Total (131)
  4. 2023 May 5 - Penumbral (141)
  1. 1966 Oct 29 - Penumbral (116)
  2. 1985 Oct 28 - Total (126)
  3. 2004 Oct 28 - Total (136)
  4. 2023 Oct 28 - Partial (146)
  5. 2042 Oct 28 - Penumbral (156)

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[1] This lunar eclipse is related to two partial solar eclipses of Solar Saros 153.

23 October 2014 3 November 2032

See also

References
  1. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros


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