September 1979 lunar eclipse

A total lunar eclipse took place on Thursday, September 6, 1979, the second of two lunar eclipses in 1979. A shallow total eclipse saw the Moon in relative darkness for 44 minutes and 24.7 seconds. The Moon was 9.358% of its diameter into the Earth's umbral shadow, and should have been significantly darkened. The partial eclipse lasted for 3 hours, 11 minutes and 54.1 seconds in total.[1]

September 1979 lunar eclipse
Total eclipse
Date6 September 1979
Gamma−0.43050
Magnitude1.09358
Saros cycle137 (25 of 80)
Totality44 minutes, 24.7 seconds
Partiality191 minutes, 54.2 seconds
Penumbral305 minutes, 15.4 seconds
Contacts (UTC)
P108:21:34.5
U109:18:14.6
U210:31:59.4
Greatest10:54:11.9
U311:16:24.1
U412:30:08.8
P413:26:49.9

This event followed the annular solar eclipse of August 22, 1979.

Visibility

Eclipses in 1979

Lunar year series
Lunar eclipse series sets from 1977–1980
Ascending node   Descending node
Saros Date
Viewing		 Type
Chart		 Gamma Saros Date
Viewing		 Type
Chart		 Gamma
112 1977 Apr 04
 Partial
 −0.91483 117 1977 Sep 27
 Penumbral
 1.07682
122 1978 Mar 24
 Total
 −0.21402 127 1978 Sep 16
 Total
 0.29510
132 1979 Mar 13
 Partial
 0.52537 137 1979 Sep 06
 Total
 −0.43050
142 1980 Mar 01
 Penumbral
 1.22701 147 1980 Aug 26
 Penumbral
 −1.16082
Last set 1976 May 13 Last set 1976 Nov 06
Next set 1981 Jan 20 Next set 1980 Jul 27

Saros series

It is part of Saros series 137.

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 annular solar eclipses of Solar Saros 144.

August 31, 1970 September 11, 1988

See also

Notes
  1. Hermit Eclipse: Saros cycle 137
  2. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros


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