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October 2007
October 2007 Astronomy Calendar

This will show you things that were, things that are; and some things that have not come to pass.

October Highlights

Objects in orbit listed below are forecasted to decay and re-enter the Earths atmosphere on the date indicated:
(Updates on Forum )
Catalogue Number Name International
Designator
Country
Decay
Date
RCS
30381 FENGYUN 1C DEB 1999-025ACU PRC 2007-10-02 0.02
31107 H-2A DEB 2007-005K Japan 2007-10-02 0.07
32059 SL-4 R/B 2007-040B CIS 2007-10-04 22.6
25259 ATLAS 2 CENTAUR R/B 1998-016B US 2007-10-21 12.5
32061 DELTA 2 R/B 2007-041B US 2007-10-27 5.5
26644 CZ-3A R/B 2000-082B PRC 2007-10-28 32.21

Look Out.
  • The Great extinction was due to the impact of a large lump of rock. And there's another lump heading our way!
    Click here to find out when!

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    Naked-Eye Visibility Data for Aberdeen, Scotland, of the International Space Station.

    You are here JODRELL BANK Aberdeen


    The Solar System

    click here! for interactive planet charts .



    Mercury: at magnitude -1.0, starts the month in the constellation Virgo. Mercury is stationary: Getting Retrograde on the 12th. The Moon is 1.3 degrees from the planet on the 13th. Mercury is in conjunction onthe 24th. Mercury is close to the star Spica (2.8deg) on the 28th..
    (On August 1st, RA= 7h40m08s Dec=+21°38.7' (J2000) Distance=1.140AU Elongation= 15° Phase k=75% Diameter=5.9")

    Venus: is an evening morning star of magnitude -4.5, The planet is in constellation Leo at the start of the month. Venus is close to Regulus (2.7deg) on the 8th, and close to Saturn (2.9°) on the 14th. It is best seen from 3.3h -17.2h. The Moon is 3 degrees from the planet on the 7th.
    (On October 1st, RA= 9h43m25s Dec=+10°06.2' (J2000) Distance=0.488AU Elongation= 43° Phase k=33% Diameter=34.2")
    Moon Phase Now!

    Moon Phase Now!

    Earth: Autumn Equinox was on the 23rd September.

    The Moon is at Perigee on the 26th October 12:56.4 UT, and at apogee on the 13th, at 11:04.4 UT. The Moon is 1.1 degrees from the M44 Beehive cluster in Cancer on the 5th..The Moon is 1.0 degree from the M45 open cluster (the Pleiades), on the 28th.

    Mars: at magnitude 0.1 starts the month in the constellation Gemini. The planet is best seen from 22.1h - 6.5h. Mars apparent diameter grows to 10 arcsec on the 5th. The Moon is 5 degrees from the planet on the 2nd. Mars is only 0.9 degrees from the M35 open cluster in Gemini, on the 3rd.
    (On October 1st, RA= 6h03m23s Dec=+23°21.9' (J2000) Distance=0.966AU Elongation= 97° Phase k=86% Diameter=9.7")

    Jupiter: is still bright at magnitude -2.0 in the constellation Ophiuchus and close to the bright star, Antares. The planet is best seen from 18.7h -21.1h. The Moon is close, 5 degrees, to Jupiter, on the 16th.
    (On October 1st, RA=16h51m44s Dec=-22°09.9' (J2000) Distance=5.604AU Elongation= 66°)

    The planet Jupiter is a source of huge radio storms. Click the link to hear the live audio stream.
    The radio outbursts are in the frequency range 18 - 32 MHz. Sensitive receivers translate Jupiter's radio waves to audio sounds.
    Click! For alternative listening site.
    click here! for Great RedSpot Transit times.
    Click! Check forum for Satellite predictions.

    Saturn: at magnitude 0.7 sits in the constellation Leo. The planet is 3 degrees south of Venus on the 15th.
    The planet is best seen from 3.8h - 6.5h.
    (On October 1st, RA=10h23m04s Dec=+11°32.5' (J2000) Distance=10.054AU Elongation= 34°)

    click here! for interactive Saturn moon calculator .

    Uranus is in the constellation Aquarius, near Lambda Aquarii, magnitude 3.7. Uranus at magnitude 5.7, has a bluish-green hue and appears 3.7 arcseconds wide. The planet is best seen from 20.1h - 4.5h. The Moon is 1.7 degrees from the planet on the 23rd.
    This month the planet is located 1.5 degrees away from the 4th magnitude star Phi Aquarii.
    (On October 1st, RA=23h08m53s Dec= -6°21.3' (J2000) Distance=19.159AU Elongation=158°)

    Neptune: in the constellation Capricornus less than 3 degrees northeast of the 4.3 mag star Iota Capricornii. A telescope will usually show a tiny bluish dot, only 2.5 arcseconds wide (mag 7.9). Neptune is best seen from 21.1h -22.7h. Neptune is stationary: Getting Prograde in the 31st. The Moon is 1.3 degrees from the planet on the 21th.
    (On October 1st,
    RA=21h27m33s Dec=-15°16.8' (J2000) Distance=29.375AU Elongation=131°)

    Pluto is in the constellation Sagittarius (mag 13.9) is not visible in the southern sky this month. Normally, a finder chart is necessary to help in identifying the 0.1" diameter dwarf planet. The dwarf planet is best seen from 20.7h - 5.1h.
    (On October 1st, RA=17h44m48s Dec=-16°47.7' (J2000) Distance=31.524AU Elongation= 79°)

    The Sun enters the zodiac sign Scorpio on the 23rd October, 20:15 UT.

    Asteroid 2 Pallas is stationary on the 22nd.


    click here! to download Northern Hemisphere Major Events file in Distant Suns.
    click here! to download Southern Hemisphere Major Events file in Distant Suns.

    Meteor Showers

    There are many minor meteor showers this month...
    Orionids produce rates of 5-15/hour with occasional surges in activity that may reach 25 or even 50/hour. The shower's radiant near Betelgeuse is best-placed just before morning twilight begins. Its radiant is R.A. 6hr 20m Dec +16 degrees, which is close to Xi Orionis. They`re from Halley's Comet. October 15-29 2003 Maximum Oct. 21.
    Draconids have produced two major storms in 1933 and 1946, and several other significant outbursts. Draconids are very slow meteors. The parent body of the meteors is Comet Giacobini-Zinner. October 6-10, Maximum Oct. 9/10
    Epsilon Geminids On the 18th, the radiant will be at RA 6h 48m, Dec +27, several degrees north of the star epsilon Gemini, (Mebsuta). These are fast meteors, at about 70 km per second. These meteors might be associated with either Comet Ikeya, C/1964 N1, or Comet Nishikawa-Takamizawa-Tago, C/1987 B1. ZHR rates for this shower are about 2 meteors per hour at maximum. October 10-27 Maximum Oct. 18/19
    The Sextanids are active September 9 through October 9. Though, this one is more of a radio/radar shower
    The northern Taurids and southern Taurids start to become active about October 1st, but do not reach maximums until early November. Both have fairly slow meteors, with the northern Taurids velocity at 29 km per second, and the southern at 27 km per second. At maximum in November, both showers will peak at about ZHR rates of 5 meteors per hour. These meteors are part of the Taurid stream which in turn has been associated with Comet Encke.
    You can listen to them by tuning to the 67 MHz meteor radar in Roswell, NM.

     

    Shower Activity Period Maximum Radiant Velocity ZHR
        Date R.A. Dec. km/s  
    Orionids   Oct 21 6h20m 16°   25
    Sextantids Sept 24-Oct 9 Oct 2 10.5h -8.7° 29.8km/s 9
    Eta Cetids Sept 20-Nov 2 Oct. 1-5 38°    
    October Cygnids Sept 22-Oct 11 Oct. 4-9        
    Arietids Sept-Oct Oct 8/9        
    Delta Aurigids from Sept 22-Oct Oct. 6-15     64km/s 23
    Draconids October 6-10 Oct. 9/10 17.8h 78.1° 28.7km/s 35
    Epsilon Geminids October 10-27 Oct. 18/19 6h48m 27° 66km/s 2
    Leo Minorids            
    Northern Piscids           3
    The Sextanids Sept 9-Oct 9          
    Northern Taurids Oct 1 - Nov November 3.2h 17.5° 29km/s 5
    Southern Taurids Oct 1 - Nov November     27km/s 5
    Yes, click this! for UK (A.Smith)

    Radio Meteor Observation Station Track

     

    Comets        
    Comet C/2007 F1 (LONEOS)

    The comet may brighten to  become a visual  morning object in October (However it will be close to the Sun).
    The comet will pass close to the NGC 4278 elliptical galaxy on October 8.

    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1 
    2007 09 27    11 55.28   +27 58.8    1.595    0.877    29.6    34.4  10.4
    2007 10 02    12 11.74   +27 36.5    1.440    0.782    31.2    41.6   9.7
    2007 10 07    12 32.23   +26 46.7    1.277    0.686    32.3    51.0   8.9
    2007 10 12    12 58.53   +24 59.7    1.109    0.594    32.2    63.6   8.0
    2007 10 17    13 32.90   +21 13.2    0.944    0.509    30.3    80.6   6.9
    2007 10 22    14 16.80   +13 34.6    0.801    0.442    25.7   102.5   6.0
    2007 10 27    15 06.90   +00 23.5    0.721    0.405    20.4   121.4   5.4
    2007 11 01    15 53.05   -15 42.3    0.739    0.412    21.8   116.3   5.5
    realtime sun

    Realtime sun

    All credits to Distant Suns, the Astronomy program.

    Highlights

    Halloween, the word itself, is a contracted corruption of All Hallows Eve. It actually has its origins in the Celtic New Year. The holiday was called Samhain (Sah-ween). The date marked the beginning of winter. The Celts believed that at the time of Samhain, more so than any other time of the year, the ghosts of the dead were able to mingle with the living, because at Samhain the souls of those who had died during the year travelled into the other world. People gathered to sacrifice animals, fruits, and vegetables. They also lit bonfires in honour of the dead, to aid them on their journey. Here are a few deepsky objects to look out for:

    In Aquila , “The Ghost of the Moon Nebula”
    In Cetus, NGC246 called “The Skull Nebula”.
    In Bootes (abbreviated “BOO”), you may find The Spider Galaxy, NGC5829 .

     

    Spider Webcam images from Aboyne, Scotland: Reload webpage to update!
    Elevation
      Spacer Spacer Spacer Click Here for Close Up. View directly above camera, bearing 000 Spacer Spacer Spacer
      View at 45 degs elevation at bearing 208 View at 45 degs elevation at bearing 260 View at 45 degs elevation at bearing 312 View at 45 degs elevation at bearing 000 View at 45 degs elevation at bearing 052 View at 45 degs elevation at bearing 90 View at 45 degs elevation at bearing 156
      View horizontally at bearing 208 View horizontally at bearing 260 View horizontally at bearing 312 View horizontally at bearing 000 View horizontally at bearing 052 View horizontally at bearing 90 View horizontally at bearing 156
    206° 257° 309° 0° 51° 103° 154°
    Bearing
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    January 2007 For January 2007 Archive For Archive
       
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