November 1975 lunar eclipse

A total lunar eclipse took place on Tuesday, November 18, 1975, the second of two total lunar eclipses in 1975. A shallow total eclipse saw the Moon in relative darkness for 40 minutes and 11.1 seconds. The Moon was 6.421% of its diameter into the Earth's umbral shadow, and should have been significantly darkened. The partial eclipse lasted for 3 hours, 29 minutes and 2.1 seconds in total. Occurring only 4.9 days after apogee (Apogee on Friday, November 14, 1975), the Moon's apparent diameter was 4% smaller than average.[1]

November 1975 lunar eclipse
Total eclipse
Date18 November 1975
Gamma-0.41343
Magnitude1.06421
Saros cycle135 (21 of 71)
Totality40 minutes, 11.1 seconds
Partiality209 minutes, 2.1 seconds
Penumbral352 minutes, 13.4 seconds
Contacts (UTC)
P119:27:17.3 (18 Nov)
U120:38:56.8 (18 Nov)
U222:03:21.9 (18 Nov)
Greatest22:23:26.1 (18 Nov)
U322:43:33.0 (18 Nov)
U400:07:58.9 (19 Nov)
P401:19:30.7 (19 Nov)

Visibility

It was completely visible over eastern North America, eastern South America, Europe, Africa and Asia, seen rising over the Americas and setting over Asia and the Indian Ocean.

Eclipses in 1975

Lunar year series
Lunar eclipse series sets from 1973–1976
Ascending node   Descending node
Saros Date
Viewing		 Type
Chart		 Gamma Saros Date
Viewing		 Type
Chart		 Gamma
110 1973 Jun 15
 Penumbral
 -1.32166 115 1973 Dec 10
 Partial
 0.96441
120 1974 Jun 04
 Partial
 -0.54887 125 1974 Nov 29
 Total
 0.30540
130 1975 May 25
 Total
 0.23674 135 1975 Nov 18
 Total
 -0.41343
140 1976 May 13
 Partial
 0.95860 145 1976 Nov 06
 Penumbral
 -1.12760
Last set 1973 Jul 15 Last set 1973 Jan 18
Next set 1977 Apr 04 Next set 1977 Sep 27

Tritos series

Tzolkinex

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[2] This lunar eclipse is related to two total solar eclipses of Solar Saros 142.

November 12, 1966 November 22, 1984

See also

Notes
  1. Hermit Eclipse: Saros cycle 135
  2. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros


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