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international transit of venus 2012

Venus-Transit am 6. Juni 2012 in Deutschland

Java Applet

In Deutschland ist nur die Endphase des Transits zu beobachten. Beginn und Mitte liegen vor Sonnenaufgang.

venus transit map 2012
Die maximale Dauer des Transits in Deutschland (2h 25m) ist im Nord-Osten zu sehen, z. B Berlin oder Stralsund, im Süd-Westen, z. B. Stuttgart, sind es nur nur 1h 38m.


Stralsund  E 13°05', N 54°18'               
    
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    02:29           ----       45.5      -----       ----
Egress Interior Contact    04:37:16.1      14.2       70.7      291.2       15.3
Transit Ends               04:54:44.6      16.7       74.1      288.8       16.2
Duration:    2h 25m 56.5s

Stralsund

Sonnenstand in Stralsund am 6. Juni 2012 um 06:30 MESZ
siehe Planet Applet


venus transit 2012 Berlin

Der Venus-Transit in Berlin
siehe Planet Applet

Die berechneten Zeiten sind wegen begrenzter Rechengenauigkeit des Applets auf 1-2 Minuten genau. Es wird nicht zwischen innerem und äusserem Kontakt unterschieden (Zeitintervall 18 Minuten): "Ingress" und "Egress" sind für den Venus-Mittelpunkt berechnet. Die Position der Venus auf der Sonnenscheibe hat einen Fehler von höchstens 0,4 Venusdurchmessern (25 '').

Aachen  E  6°05', N 50°47'              
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    03:19           ----       50.0      -----       ----
Egress Interior Contact    04:37:28.6       9.0       64.9      291.2       15.3
Transit Ends               04:54:59.1      11.6       68.1      288.8       16.2
Duration:    1h 36m 00.6s    
-----------------------------------------------------------------------------------

Berlin  E 13°24', N 52°31'           
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    02:41           ----       48.2      -----       ----
Egress Interior Contact    04:37:23.1      13.9       70.6      291.2       15.3
Transit Ends               04:54:51.6      16.4       73.8      288.8       16.2
Duration:    2h 14m 14.5s
-----------------------------------------------------------------------------------

Dresden  E 13°44', N 51°03'             
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    02:47           ----       49.8      -----       ----
Egress Interior Contact    04:37:28.5      13.6       70.5      291.2       15.3
Transit Ends               04:54:57.1      16.2       73.7      288.8       16.2
Duration:    2h 07m 59.3s
-----------------------------------------------------------------------------------

Essen  E  7°01', N 51°27'              
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    03:12           ----       49.4      -----       ----
Egress Interior Contact    04:37:26.5       9.8       65.7      291.2       15.3
Transit Ends               04:54:56.6      12.3       68.9      288.8       16.2
Duration:    1h 42m 47.0s
-----------------------------------------------------------------------------------

Frankfurt/M  E  8°41', N 50°07'             
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    03:13           ----       50.9      -----       ----
Egress Interior Contact    04:37:31.8      10.3       66.7      291.2       15.3
Transit Ends               04:55:01.7      12.9       69.8      288.8       16.2
Duration:    1h 42m 00.6s
-----------------------------------------------------------------------------------

Hamburg  E 10°00', N 53°33'                
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    02:47           ----       46.8      -----       ----
Egress Interior Contact    04:37:19.1      12.3       68.2      291.2       15.3
Transit Ends               04:54:48.3      14.7       71.5      288.8       16.2
Duration:    2h 07m 24.3s
-----------------------------------------------------------------------------------

Hannover  E  9°44', N 52°22'            
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    02:56           ----       48.4      -----       ----
Egress Interior Contact    04:37:23.6      11.7       67.8      291.2       15.3
Transit Ends               04:54:53.1      14.2       71.1      288.8       16.2
Duration:    1h 58m 37.1s
-----------------------------------------------------------------------------------

Kassel  E  9°30', N 51°19'            
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    03:03           ----       49.7      -----       ----
Egress Interior Contact    04:37:27.5      11.2       67.5      291.2       15.3
Transit Ends               04:54:57.1      13.7       70.7      288.8       16.2
Duration:    1h 51m 31.1s
-----------------------------------------------------------------------------------

Köln  E  6°57', N 50°56'              
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    03:15           ----       50.0      -----       ----
Egress Interior Contact    04:37:28.3       9.6       65.5      291.2       15.3
Transit Ends               04:54:58.6      12.1       68.7      288.8       16.2
Duration:    1h 39m 56.4s
-----------------------------------------------------------------------------------

Leipzig  E 12°22', N 51°20'             
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    02:51           ----       49.5      -----       ----
Egress Interior Contact    04:37:27.6      12.9       69.6      291.2       15.3
Transit Ends               04:54:56.5      15.4       72.8      288.8       16.2
Duration:    2h 03m 44.0s
-----------------------------------------------------------------------------------

Magdeburg  E 11°37', N 52°08'            
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    02:50           ----       48.6      -----       ----
Egress Interior Contact    04:37:24.6      12.7       69.2      291.2       15.3
Transit Ends               04:54:53.6      15.2       72.4      288.8       16.2
Duration:    2h 05m 16.4s
-----------------------------------------------------------------------------------

Nürnberg  E 11°05', N 49°27'           
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    03:07           ----       51.6      -----       ----
Egress Interior Contact    04:37:34.4      11.5       68.3      291.2       15.3
Transit Ends               04:55:03.8      14.1       71.4      288.8       16.2
Duration:    1h 48m 16.2s
-----------------------------------------------------------------------------------

Stuttgart  E  9°11', N 48°47'          
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    03:17           ----       52.1      -----       ----
Egress Interior Contact    04:37:36.5      10.1       66.8      291.2       15.3
Transit Ends               04:55:06.5      12.7       69.9      288.8       16.2
Duration:    1h 38m 19.4s
-----------------------------------------------------------------------------------

München  E 11°35', N 48°08'          
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Sunrise                    03:11           ----       52.8      -----       ----
Egress Interior Contact    04:37:39.0      11.3       68.4      291.2       15.3
Transit Ends               04:55:08.4      14.0       71.4      288.8       16.2
Duration:    1h 44m 07.5s

    

Geocentric Data

UT

Eclipse begins

22:09

Umbra eclipse begins

22:27

Greatest eclipse

01:29

Umbra eclipse ends

04:31

Eclipse ends

04:49

Duration 6h 40m


venus transit 2012 

Erde, Merkur, Venus und Mars am 6. Juni 2012 in der Ekliptikebene
Planet Applet

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map subsolar greatest transit
Planet Applet

Bei größtem Transit (01:30 UT) liegt der Bildpunkt von Sonne und Venus (subsolarer Punkt) auf der geographischen Breite 22.7° N (=Deklination von Sonne und Venus) und 157.2° E (=360° - Greenwich-Stundenwinkel von Sonne und Venus) in Pazifischen Ozean: dort ereignet sich der größte Transit im Zenit:

Location:  E 157°12'00.0", N 22°42'00.0", 0m                
    
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Transit Begins             22:12:05.2      44.6       80.0       41.2       16.2
Ingress Interior Contact   22:29:41.2      48.6       81.0       38.6       15.3
Least Angular Distance     01:28:50.0      89.8       95.8        0.0        9.2
Egress Interior Contact    04:27:51.0      49.1      279.0      292.8       15.3
Transit Ends               04:45:25.3      45.1      279.9      290.2       16.2
Duration:  6h 33m 20.1s

Venus bewegt sich dort ungleichförmig und unstetig über die Sonnenscheibe:

subsolar path of venus across the sun

Sicherheitshinweis: Sonnenbeobachtungen erfordern größte Vorsicht und Sachkunde, da sonst bleibende Augenschäden drohen. Eine Sonnenfinsternisbrille bietet Schutz, auch die Projektion des Sonnenbildes ist ungefährlich. Benutzt man ein Fernglas oder Teleskop, muss ein geeignetes Sonnenfilter, das 99,999 % des Sonnenlichts absorbiert, auf der zur Sonne weisenden Seite angebracht werden.

Deutschland
The Transit of Venus on 2012 June 5/6



Java applet

venus transit map 2012
Transit map courtesy of Fred Espenak - NASA/Goddard Space Flight Center
 

Geocentric Data

UT

Eclipse begins

22:09

Umbra eclipse begins

22:27

Greatest eclipse

01:29

Umbra eclipse ends

04:31

Eclipse ends

04:49

Duration 6h 40m


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venus transit 2012 Singapore
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map subsolar greatest transit
Planet Applet

At greatest transit (01:30 UT) the image point of the Sun and of Venus (subsolar point) is located at 22.7° N (=declination of the Sun and Venus) and 157.2° E (=360° - Greenwich hour angle of the Sun and Venus) in the Pacific Ocean: there the greatest transit happens in the zenith of the observer:

Location:  E 157°12'00.0", N 22°42'00.0", 0m                
    
                                                Sun's          Position   Angular
                               UT1       Altitude   Azimuth     Angle    Separation
                            h  m   s         °          °          °          '
Transit Begins             22:12:05.2      44.6       80.0       41.2       16.2
Ingress Interior Contact   22:29:41.2      48.6       81.0       38.6       15.3
Least Angular Distance     01:28:50.0      89.8       95.8        0.0        9.2
Egress Interior Contact    04:27:51.0      49.1      279.0      292.8       15.3
Transit Ends               04:45:25.3      45.1      279.9      290.2       16.2
Duration:  6h 33m 20.1s

Venus is moving across the Sun's disk like this:

subsolar path of venus across the sun


planes ecliptic 

Earth, Mercury, Venus und Mars on 2012 June 6
by my
Planet Applet


The geocentric end of the transit is at 4:49 UT. The borderline separating the sunlit and darkened hemispheres runs from central Africa to Spain, to east of Ireland, and Greenland, which is in agreement with the prediction Proctor's book plate IX, published in 1882.

transit end

Proctor Tansits of Venus

Richard A. Proctor: Transits of Venus (erschienen 1882), plate IX (Transit von 2012)

Check your eyes !

 

Web Links

Richard A. Proctor: Transits of Venus, a popular account of past and coming transits, 4th ed, London 1882 (full text, PDF)

Steven van Roode: Transit of Venus

2012 Transit of Venus

IMCE (Institut de Meécanique Celeste et de Calcul des Ephemerides):
Le passage de Vénus des 5 et 6 Juin 2012

IMCE (Institut de Meécanique Celeste et de Calcul des Ephemerides):
2004-2012: the transits of Venus,

Educational sheets for teachers, students and amateur astronomers

IMCE (Institut de Meécanique Celeste et de Calcul des Ephemerides):
2004-2012: the transits of Venus

Books
Gudrun Bucher: Die Spur des Abendsterns: Die abenteuerliche Erforschung des Venustransits, WBG Damstadt, 2011, ISBN 978-3534236336

   
Nick Lomb: The Essential Companion to the 2012 Transit of Venus: 1631 to the Present, UNSW Press, 2011, ISBN 978-1742232690


 

Letzte Änderung: 12. Oktober 2011