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Astronomical agenda for 2012

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Remarkable events

Tables

Sun

Changes of season

Date Exact hour
Spring 20th March 11h 02m UT
Summer 21st June 05h 04m UT
Autumn 22nd September 20h 44m UT
Winter 21st December 17h 11m UT

Sunrise and sunset hours for any place (Calculation tool in javascript).

Earth's orbit

Date Distance to the Sun
Perihelion (minimum distance) 2nd January Km
Afhelion (maximum distance) 5th July Km

Moon

Lunar phases ( UT ):

New Moon Crescent Moon Full Moon Waning Moon
      05/01/2013
11/01/2013 18/01/2013 27/01/2013 03/02/2013
10/02/2013 17/03/2013 25/02/2013 04/03/2013
11/03/2013 19/03/2013 27/03/2013 03/04/2013
10/04/2013 18/04/2013 25/04/2013 02/05/2013
10/05/2013 18/05/2013 25/05/2013 31/05/2013
08/06/2013 16/06/2013 23/06/2013 30/06/2013
08/07/2013 16/07/2013 22/07/2013 27/07/2013
06/08/2013 14/08/2013 21/08/2013 28/08/2013
05/09/2013 12/09/2013 19/09/2013 27/09/2013
05/10/2013 11/10/2013 18/10/2013 26/10/2013
03/11/2013 05/11/2013 17/11/2013 25/11/2013
03/12/2013 09/12/2013 17/12/2013 25/12/2013

Moon's orbit

Perigee (minimum distance) Apogee (maximum distance)
10 January 07 February 05 March 22 January 19 February 19 March
31 March 27 April 26 May

15 April

13 May 09 June
23 June 21 July 19 August 09 July 03 August 31 August
15 September 10 October 06 November 27 September 25 October 22 November
04 December   20 December  

Information about the planets ( UT ):

Mercury

Day Hour Event
     
16 February 21 h Max elong East
     
31 March 22 h Max elong West
     
12 June 17 h Max elong East
     
30 July 09 h Max elong West
     
09 October 10 h Max elong East
     
18 November 18 h Max elong West
     

Venus

Day Hour Event
01 November 08 h Max elong East

Mars

18 April 00 h Conjunciķ

Jupiter

Day Hour Event
19 June 16 h Conjunciķ

Saturn

Day Hour Event
28 April 08 h Oposiciķ
06 November 12 h Conjunciķ

Uranus

Day Hour Event
29 March 01 h Conjunciķ
03 October 14 h Oposiciķ

Neptune

Day Hour Event
21 February 07 h Conjunciķ
27 August 02 h Oposiciķ

Eclipses

Solar eclipses

Anular 09-10 May 00h 19m TU La franja d'anularitat passarā pel nordEast d'Austrālia, i la zona equatorial del Pacífic. Parcial a a Hawai, Nord de Nova Zelanda, Papua-Nova Guinea, sud de Filipines
Annular-Total 03 November 12h 38m TU La franja de totalitat passarā pel Pacífic i la part equatorial d'Āfrica. Serā visibleal nordEast de Sud Amčrica, sud de Groenlandia, West d'Āfrica i sud d'Europa. A Catalunya serā visible com a Parcial, quasi bé inapreciable, 0.6%

Lunar eclipses

Type Day Hour of the maximum Visibility
Parcial 25 April 20h 07m TU Eclipse parcial quasi innapreciable.. Europ, Āsia, Āfrica, West d'Austrālia, Antārtida.
Penombral 25 May 04h 09m TU Antārtida, Amčrica, West d'Āfrica. Quasibé innapreciable.
Penombral 18-19 d'October 18-19 d'October 23h 50m TU Europa, Āfrica, West d'Āsia, Sud Amčrica, East d'Amčrica del Nord

Other Events

Meteors Shower

Name Days Maximum aprox Constelation around the radiant Meteors per hour (aprox)
Quadrantids 1-5 January 3 January Bootes 120
Lyrid 15-28 April 22 April Lyra 15
Eta-Aquarid 19 April - 28 May 6 May Aquarius 60
Arietid 22 May-2 July 7 June Aries 54
Delta Aquarid 12 july-19 August 28 July Aquarius 20
Perseids 17 July - 24 August 12 August Perseus 90
Orionids 2October-7 November 21 October Orion 20
Leonids 14 - 21 November 17 October Leo variable
Geminids 7 17 December 14 December Gemini 120
 
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