Английская Википедия:April 1968 lunar eclipse
| Total Lunar Eclipse April 13, 1968 | |
|---|---|
| (No photo) | |
| Файл:Lunar eclipse chart close-1968Apr13.png The moon passes west to east (right to left) across the Earth's umbral shadow, shown in hourly intervals. | |
| Series | 131 (31 of 72) |
| Duration (hr:mn:sc) | |
| Totality | |
| Partial | |
| Penumbral | |
| Contacts | |
| P1 | UTC |
| U1 | |
| U2 | |
| Greatest | |
| U3 | |
| U4 | |
| P4 | |
A total lunar eclipse took place on Saturday, April 13, 1968, the first of two total eclipses in 1968, the second being on October 6, 1968.
More details
Penumbral Magnitude: 2.07253 (207.253%)
Umbral Magnitude: 1.11164 (111.164%)
Gamma: -0.41732
Epsilon: 0°25’24.96”
Greatest Eclipse = 1968 Apr 13 at 04:47:22.2 UTC
Ecliptic Opposition = 1968 Apr 13 at 04:51:39.2 UTC
Equatorial Opposition = 1968 Apr 13 at 05:09:48.0 UTC
Sun’s Equatorial Right Ascension = 1.439h
Sun’s Equatorial Declination = +9.06°
Sun’s Diameter = 1913.8 arcseconds
Sun’s Equatorial Horizontal Parallax = 17.6 arcseconds
Moon’s Equatorial Right Ascension = 13.426h
Moon’s Equatorial Declination = -9.44°
Moon’s Diameter = 1991.6 arcseconds
Moon’s Equatorial Horizontal Parallax = 7309.4 arcseconds
Earth’s Shadow’s Equatorial Right Ascension = 13.439h
Earth’s Shadow’s Equatorial Declination = -9.06°
Earth’s Penumbral Shadow’s Diameter = 9313.92 arcseconds
Earth’s Umbral Shadow’s Diameter = 5486.4 arcseconds
Saros 131 (31 of 72), Descending Node
Eclipse Contacts
P1: 1968 Apr 13 (Sat) at 02:12:33.3 UTC
U1: 1968 Apr 13 (Sat) at 03:10:18.4 UTC
U2: 1968 Apr 13 (Sat) at 04:23:07.6 UTC
Greatest: 1968 Apr 13 (Sat) at 04:47:22.2 UTC
U3: 1968 Apr 13 (Sat) at 05:11:38.3 UTC
U4: 1968 Apr 13 (Sat) at 06:24:28.0 UTC
P4: 1968 Apr 13 (Sat) at 07:22:09.1 UTC
Eclipse Durations
The total duration of the eclipse was 5 hours, 9 minutes and 35.8 seconds.
The duration of the partial phases was 2 hours, 25 minutes and 38.9 seconds.
The duration of totality was 48 minutes and 30.7 seconds.
Visibility
It was visible from North and South America, as well as Africa and western Europe.
Файл:Lunar eclipse from moon-1968Apr13.png
Related lunar eclipses
Lunar year series
Шаблон:Lunar eclipse set 1966–1969
Saros series
It is the second total lunar eclipse of the series.
Шаблон:Lunar Saros 131 summary
Inex series
Шаблон:March 2026 lunar eclipse Inex series
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 annular solar eclipses of Solar Saros 138.
| April 8, 1959 | April 18, 1977 |
|---|---|
| Файл:SE1959Apr08A.png | Файл:SE1977Apr18A.png |
See also
Notes
External links
- ↑ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
