Difference: AgendaAstronomica2004 ( vs. 1)

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Astronomical Agenda 2004

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Remarkable Events

Cometa C/2004 Q2 Machholz (December 2004 - January 2005)

With a fantastic selection of images sent by you!!!

Total Lunar Eclipse (27/28-10-2004)

Do not believe that only solar eclipses are interesting. Here lots of information is available.

Transit of Venus (8-06-2004)

Are you aware of the historical importance of this phenomenon?

Total Lunar Eclipse (4-5-2004)

Images and information about this eclipse.

Venus at eastern greatest elongation

Description and explanation of the phenomenon.

Tables

Sun

Changes of season

Date Exact hour
Spring 20 March 06h 48m 37s UT
Summer 21 June 00h 56m 52s UT
Autumn 22 September 16h 29m 49s UT
Winter 21 December 12h 41m 35s UT

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

Earth's orbit

Date Distance to the Sun
Perihelion (minimum distance) 4 January 147.094.000 km
Afhelion (maximum distance) 5 July 152.095.000 km

Moon

Moon phases

New Moon Crescent Moon Full Moon Wanin Moon
  07/01/2004 15/01/2004
21/01/2004 29/01/2004 06/02/2004 13/02/2004
20/02/2004 28/02/2004 06/03/2004 13/03/2004
20/03/2004 28/03/2004 05/04/2004 12/04/2004
19/04/2004 27/04/2004 04/05/2004 11/05/2004
19/05/2004 27/05/2004 03/06/2004 09/06/2004
17/06/2004 25/06/2004 02/07/2004 09/07/2004
17/07/2004 25/07/2004 31/07/2004 07/08/2004
16/08/2004 23/08/2004 30/08/2004 06/09/2004
14/09/2004 21/09/2004 28/09/2004 06/10/2004
14/10/2004 20/10/2004 28/10/2004 05/11/2004
12/11/2004 19/11/2004 26/11/2004 05/12/2004
12/12/2004 18/12/2004 26/12/2004

Orbit of the Moon

Perigee (minimum distance Apogee (maximum distance)
19 January 16 February 12 March 3 January 31 January 28 February
8 April 6 May 3 June 27 March 24 April 21 May
1 July 30 July 27 August 17 June 14 July 11 August
22 September 18 October 14 November 8 September 5 October 2 November
12 December     30 November 27 December  

Information about the planets ( UT ):

Mercury

Day Hour Event
17 January 10 h Max. West elongation (24º)
4 March 02 h Superior conjunction
29 March 12 h Max. East elongation (19º)
17 April 01 h Inferior conjunction
14 May 21 h Max. West elongation (26º)
18 June 21 h Superior conjunction  

27 July | 03 h | Max. East elongation (27º) ||

23 August 21 h Inferior conjunction  

9 September | 14 h | Max. West elongation (18º) ||

5 October 19 h Superior conjunction  

21 November | 01 h | Max. East elongation (22º) ||

10 December 08 h Inferior conjunction  

29 December | 21 h | Max. West elongation (22º) ||

Venus

Day Hour Event
29 March 17 h Max. East elongation (46º)
8 June 09 h Inferior conjunctionTRANSIT
17 August 21 h Max. West elongation (46º)

Mars

Day Hour Event
15 September 13 h Conjunction

Jupiter

Day Hour Event
4 March 05 h Opposition
22 September 00 h Conjunction

Saturn

Day Hour Event
8 July 17 h Conjunction

Uranus

Day Hour Event
22 February 02 h Conjunction
27 August 19 h Opposition

Neptune

Day Hour Event
2 February 09 h Conjunction
6 August 03 h Opposition

Pluto

Day Hour Event
11 June 12 h Opposition
13 December 17 h Conjunction

Eclipses

Solar Eclipse

Type Day Hour of the maximum Visibility
Partial 19 April 13h 39m UT South of Africa and a part of Antarctica.
Partial 14 October 02h 59m UT Alaska, East of Siberia and East of Asia.

Lunar eclipses

Type Day Hour of the maximum Visibility
Total 4 May 20h 30m UT Europe, Africa, Asia except NorthEast, Antarctica, Australia and East of South America.
Total 28 October 03h 44m UT Europe, America, Africa, Middle East and Arctic regions.

Other Events

Meteor showers

Name Days of activity Maximum
Quadrantids 1-5 January 4 January 06 h UT
Lirids 16-25 April 22 April 04 h UT
η-Aquarids 19 April-28 May 5 May approx.
δ-Aquarids 12 July-19 August 27-28 July  
Perseids 17 July-24 August 12 August 11h UT
Orionids 2 October-7 November 21 October approx.
Taurids 1 October-25 November 5 November approx.
Leonids 14-21 November 17 November approx.
Geminids 7-17 December 13 December 22h UT
Ursids 17-26 December 22 December approx.

These data have mainly been obtained from the OAN and the ROA , and from the calendars of the IMO .

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