Solar eclipse of October 7, 1801

Last updated
Solar eclipse of October 7, 1801
SE1801Oct07P.png
Map
Type of eclipse
NaturePartial
Gamma −1.3552
Magnitude 0.3505
Maximum eclipse
Coordinates 61°12′S141°18′E / 61.2°S 141.3°E / -61.2; 141.3
Times (UTC)
Greatest eclipse19:42:34
References
Saros 150 (5 of 71)
Catalog # (SE5000) 9043

A partial solar eclipse occurred at the Moon's descending node of orbit on Wednesday, October 7, 1801, with a magnitude of 0.3505. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.

Contents

The partial solar eclipse was visible for parts of modern-day New Zealand and Antarctica. [1]

Eclipse details

Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse. [2]

October 7, 1801 Solar Eclipse Times
EventTime (UTC)
First Penumbral External Contact1801 October 07 at 18:16:51.9 UTC
Greatest Eclipse1801 October 07 at 19:42:33.8 UTC
Ecliptic Conjunction1801 October 07 at 19:57:06.5 UTC
Equatorial Conjunction1801 October 07 at 21:04:25.4 UTC
Last Penumbral External Contact1801 October 07 at 21:07:38.1 UTC
October 7, 1801 Solar Eclipse Parameters
ParameterValue
Eclipse Magnitude0.35050
Eclipse Obscuration0.23316
Gamma−1.35518
Sun Right Ascension12h51m43.2s
Sun Declination-05°32'55.4"
Sun Semi-Diameter16'01.2"
Sun Equatorial Horizontal Parallax08.8"
Moon Right Ascension12h49m16.8s
Moon Declination-06°40'26.2"
Moon Semi-Diameter15'27.7"
Moon Equatorial Horizontal Parallax0°56'44.6"
ΔT12.8 s

Eclipse season

This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight. The first and last eclipse in this sequence is separated by one synodic month.

Eclipse season of September–October 1801
September 8
Descending node (new moon)
September 22
Ascending node (full moon)
October 7
Descending node (new moon)
SE1801Sep08P.png SE1801Oct07P.png
Partial solar eclipse
Solar Saros 112
Total lunar eclipse
Lunar Saros 124
Partial solar eclipse
Solar Saros 150

Eclipses in 1801

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 150

Inex

Triad

Solar eclipses of 1798–1801

This eclipse is a member of a semester series . An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit. [3]

The partial solar eclipses on [h] occur in the previous lunar year eclipse set, and the partial solar eclipses on March 14, 1801 and September 8, 1801 occur in the next lunar year eclipse set.

Solar eclipse series sets from 1798 to 1801
Ascending node Descending node
SarosMapGammaSarosMapGamma
115May 15, 1798
Annular
−0.8744120November 8, 1798
SE1798Nov08T wiki.png
Total
0.8270
125May 5, 1799
Annular
−0.1310130October 28, 1799
SE1799Oct28T.png
Total
0.1274
135April 24, 1800
SE1800Apr24A.png
Annular
0.6125140October 18, 1800
SE1800Oct18T.png
Total
−0.5787
145 April 13, 1801
SE1801Apr13P.png
Partial
1.3152150 October 7, 1801
SE1801Oct07P.png
Partial
−1.3552

Saros 150

This eclipse is a part of Saros series 150, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on August 24, 1729. It contains annular eclipses from April 22, 2126 through June 22, 2829. There are no hybrid or total eclipses in this set. The series ends at member 71 as a partial eclipse on September 29, 2991. Its eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.

The longest duration of annularity will be produced by member 45 at 9 minutes, 58 seconds on December 19, 2522. All eclipses in this series occur at the Moon’s descending node of orbit. [4]

Series members 5–27 occur between 1801 and 2200:
567
SE1801Oct07P.png
October 7, 1801
SE1819Oct19P.gif
October 19, 1819
SE1837Oct29P.gif
October 29, 1837
8910
SE1855Nov09P.gif
November 9, 1855
SE1873Nov20P.gif
November 20, 1873
SE1891Dec01P.gif
December 1, 1891
111213
SE1909Dec12P.png
December 12, 1909
SE1927Dec24P.png
December 24, 1927
SE1946Jan03P.png
January 3, 1946
141516
SE1964Jan14P.png
January 14, 1964
SE1982Jan25P.png
January 25, 1982
SE2000Feb05P.png
February 5, 2000
171819
SE2018Feb15P.png
February 15, 2018
SE2036Feb27P.png
February 27, 2036
SE2054Mar09P.png
March 9, 2054
202122
SE2072Mar19P.png
March 19, 2072
SE2090Mar31P.png
March 31, 2090
SE2108Apr11P.gif
April 11, 2108
232425
Saros150 23van71 SE2126Apr22A.jpg
April 22, 2126
Saros150 24van71 SE2144May03A.jpg
May 3, 2144
Saros150 25van71 SE2162May14A.jpg
May 14, 2162
2627
Saros150 26van71 SE2180May24A.jpg
May 24, 2180
Saros150 27van71 SE2198Jun04A.jpg
June 4, 2198

Metonic series

The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition, the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days). All eclipses in this table occur at the Moon's descending node.

2 eclipse events between October 7, 1801 and July 26, 1805
October 7July 26
150152
SE1801Oct07P.png
October 7, 1801
SE1805Jul26Pb.gif
July 26, 1805

Tritos series

This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.

Series members between 1801 and 1823
SE1801Oct07P.png
October 7, 1801
(Saros 150)
SE1812Sep05P.gif
September 5, 1812
(Saros 151)
SE1823Aug06P.gif
August 6, 1823
(Saros 152)

Inex series

This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.

Series members between 1801 and 1946
SE1801Oct07P.png
October 7, 1801
(Saros 150)
SE1830Sep17P.gif
September 17, 1830
(Saros 151)
SE1859Aug28P.gif
August 28, 1859
(Saros 152)
SE1888Aug07P.gif
August 7, 1888
(Saros 153)
SE1917Jul19P.png
July 19, 1917
(Saros 154)
SE1946Jun29P.png
June 29, 1946
(Saros 155)

See also

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References

  1. "Solar eclipse of October 7, 1801". NASA . Retrieved June 15, 2012.
  2. "Partial Solar Eclipse of 1801 Oct 07". EclipseWise.com. Retrieved 28 September 2024.
  3. van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved 6 October 2018.
  4. "NASA - Catalog of Solar Eclipses of Saros 150". eclipse.gsfc.nasa.gov.