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Home -> Astronomy News -> Comets 2013 -> Comet C/2013 A1 (SIDING SPRING)
Post Info TOPIC: Comet C/2013 A1 (SIDING SPRING)
Blobrana


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Comet C/2013 A1 (SIDING SPRING)
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Comet C/2013 A1 (Siding Spring) makes its closest approach to the Earth (2.141 AU) in the constellation Hercules on the 27th March 2015

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   Mag
2015 03 26    17 24 46.2 +41 23 39   2.1413  2.4936    98.6    23.3  12.2
2015 03 27    17 22 33.8 +42 00 13   2.1413  2.5039    99.3    23.2  12.2
2015 03 28    17 20 16.5 +42 36 33   2.1415  2.5141   100.0    23.0  12.3
2015 03 29    17 17 54.2 +43 12 34   2.1421  2.5243   100.6    22.9  12.3
2015 03 30    17 15 26.9 +43 48 16   2.1432  2.5345   101.2    22.7  12.3
2015 03 31    17 12 54.4 +44 23 36   2.1445  2.5448   101.8    22.6  12.3
2015 04 01    17 10 16.7 +44 58 32   2.1463  2.5550   102.4    22.4  12.3
2015 04 02    17 07 33.8 +45 33 02   2.1484  2.5653   103.0    22.3  12.3
2015 04 03    17 04 45.6 +46 07 02   2.1510  2.5755   103.5    22.2  12.3
2015 04 04    17 01 52.0 +46 40 32   2.1539  2.5857   104.1    22.0  12.3
2015 04 05    16 58 53.0 +47 13 29   2.1572  2.5960   104.6    21.9  12.4
2015 04 06    16 55 48.7 +47 45 50   2.1610  2.6063   105.0    21.8  12.4
2015 04 07    16 52 38.9 +48 17 33   2.1651  2.6165   105.5    21.6  12.4
2015 04 08    16 49 23.7 +48 48 36   2.1697  2.6268   105.9    21.5  12.4
2015 04 09    16 46 03.1 +49 18 57   2.1746  2.6371   106.3    21.4  12.4
2015 04 10    16 42 37.2 +49 48 34   2.1800  2.6473   106.7    21.3  12.4
2015 04 11    16 39 06.0 +50 17 24   2.1858  2.6576   107.0    21.1  12.4
2015 04 12    16 35 29.6 +50 45 25   2.1919  2.6679   107.3    21.0  12.5
2015 04 13    16 31 48.2 +51 12 35   2.1985  2.6781   107.6    20.9  12.5
2015 04 14    16 28 01.7 +51 38 53   2.2056  2.6884   107.9    20.8  12.5
2015 04 15    16 24 10.4 +52 04 16   2.2130  2.6987   108.1    20.7  12.5
2015 04 16    16 20 14.5 +52 28 42   2.2208  2.7090   108.3    20.6  12.5
2015 04 17    16 16 14.0 +52 52 10   2.2290  2.7193   108.5    20.5  12.5
2015 04 18    16 12 09.4 +53 14 39   2.2377  2.7296   108.6    20.4  12.6
2015 04 19    16 08 00.7 +53 36 06   2.2468  2.7398   108.7    20.3  12.6
2015 04 20    16 03 48.3 +53 56 30   2.2562  2.7501   108.8    20.2  12.6
2015 04 21    15 59 32.5 +54 15 51   2.2661  2.7604   108.9    20.1  12.6
2015 04 22    15 55 13.6 +54 34 08   2.2763  2.7707   108.9    20.1  12.6
2015 04 23    15 50 51.9 +54 51 19   2.2870  2.7810   108.9    20.0  12.7
2015 04 24    15 46 27.7 +55 07 24   2.2980  2.7913   108.9    19.9  12.7
2015 04 25    15 42 01.5 +55 22 22   2.3095  2.8016   108.9    19.9  12.7
2015 04 26    15 37 33.6 +55 36 14   2.3213  2.8118   108.8    19.8  12.7
2015 04 27    15 33 04.5 +55 49 00   2.3335  2.8221   108.7    19.7  12.7
2015 04 28    15 28 34.4 +56 00 38   2.3460  2.8324   108.6    19.7  12.8
2015 04 29    15 24 03.9 +56 11 10   2.3590  2.8427   108.4    19.6  12.8
2015 04 30    15 19 33.3 +56 20 37   2.3722  2.8530   108.3    19.6  12.8


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Researchers observe comet flyby effects on Martian atmosphere

A "once-in-a-lifetime" chance to watch a comet flying close to Mars gave a unique insight into the effect of such a near miss on a planet's atmosphere, according to a University of Leeds academic.
Professor John Plane, a member of the Atmospheric and Planetary Chemistry group in the University's Faculty of Mathematics and Physical Sciences, collaborated in the analysis and interpretation of observations made with NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft of Comet C/2013 A1 Siding Spring's flyby on October 19.
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NASA: Comet Bombarded Mars Sky With Meteor Shower

A pristine distant comet created a once-in-8-million-year fireworks show above Mars last month. But no one got to see it live.
New NASA data from satellites circling Mars shows that when the comet named Siding Spring skimmed the red planet, tons of comet dust bombarded the Martian sky with thousands of fireballs an hour. It warped the Martian atmosphere leaving all sorts of metals and an eerie yellow afterglow on Oct. 19.
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First Images of a Comet from a Stratospheric Balloon

These three images of C/2013 (Comet Siding Spring) were taken by the Balloon Observation Platform for Planetary Science (BOPPS) on September 26, 2014. The comet was 114 million miles from Mars when these images were taken, approximately three weeks before its close encounter with that planet. BOPPS was approximately 127,000 feet above Earth, observing comets, asteroids and stars during its 17-hour flight.
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Comet C/2013 A1 (Siding Spring) is at Perihelion (1.399 AU) on the 25th October 2014 

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   Mag
2014 10 24    17 37 22.0 -22 30 12   1.7187  1.3988    54.5    35.4  10.3
2014 10 25    17 37 23.0 -21 59 15   1.7398  1.3987    53.5    34.8  10.3
2014 10 26    17 37 25.3 -21 29 02   1.7608  1.3988    52.5    34.3  10.3
2014 10 27    17 37 28.8 -20 59 32   1.7817  1.3989    51.5    33.8  10.3
2014 10 28    17 37 33.4 -20 30 43   1.8023  1.3993    50.5    33.2  10.4
2014 10 29    17 37 39.1 -20 02 33   1.8228  1.3997    49.5    32.7  10.4
2014 10 30    17 37 45.8 -19 35 00   1.8430  1.4004    48.6    32.1  10.4
2014 10 31    17 37 53.4 -19 08 03   1.8631  1.4012    47.6    31.6  10.4
2014 11 01    17 38 01.9 -18 41 39   1.8829  1.4021    46.7    31.0  10.5
2014 11 02    17 38 11.2 -18 15 48   1.9025  1.4032    45.7    30.4  10.5
2014 11 03    17 38 21.4 -17 50 27   1.9218  1.4044    44.8    29.9  10.5
2014 11 04    17 38 32.3 -17 25 35   1.9410  1.4058    43.9    29.3  10.5
2014 11 05    17 38 43.9 -17 01 12   1.9598  1.4073    43.0    28.7  10.6
2014 11 06    17 38 56.2 -16 37 14   1.9784  1.4090    42.1    28.1  10.6
2014 11 07    17 39 09.2 -16 13 43   1.9968  1.4108    41.2    27.6  10.6
2014 11 08    17 39 22.8 -15 50 35   2.0149  1.4128    40.3    27.0  10.6
2014 11 09    17 39 36.9 -15 27 50   2.0327  1.4149    39.4    26.4  10.6
2014 11 10    17 39 51.7 -15 05 27   2.0503  1.4172    38.5    25.8  10.7
2014 11 11    17 40 06.9 -14 43 25   2.0676  1.4196    37.7    25.2  10.7
2014 11 12    17 40 22.7 -14 21 42   2.0846  1.4221    36.8    24.7  10.7
2014 11 13    17 40 39.0 -14 00 18   2.1013  1.4248    36.0    24.1  10.7
2014 11 14    17 40 55.8 -13 39 12   2.1177  1.4276    35.2    23.5  10.8
2014 11 15    17 41 13.1 -13 18 23   2.1338  1.4306    34.4    23.0  10.8
2014 11 16    17 41 30.7 -12 57 50   2.1496  1.4337    33.6    22.4  10.8
2014 11 17    17 41 48.8 -12 37 32   2.1651  1.4370    32.8    21.9  10.8
2014 11 18    17 42 07.3 -12 17 28   2.1803  1.4403    32.0    21.3  10.8
2014 11 19    17 42 26.1 -11 57 38   2.1952  1.4438    31.2    20.8  10.9
2014 11 20    17 42 45.3 -11 38 01   2.2098  1.4475    30.5    20.3  10.9
2014 11 21    17 43 04.9 -11 18 35   2.2240  1.4513    29.7    19.7  10.9
2014 11 22    17 43 24.8 -10 59 21   2.2380  1.4552    29.0    19.2  10.9
2014 11 23    17 43 44.9 -10 40 18   2.2516  1.4592    28.3    18.7  10.9
2014 11 24    17 44 05.4 -10 21 24   2.2648  1.4634    27.6    18.2  11.0
2014 11 25    17 44 26.1 -10 02 40   2.2778  1.4677    27.0    17.8  11.0
2014 11 26    17 44 47.1 -09 44 04   2.2904  1.4721    26.3    17.3  11.0
2014 11 27    17 45 08.3 -09 25 37   2.3027  1.4766    25.7    16.8  11.0
2014 11 28    17 45 29.8 -09 07 16   2.3146  1.4813    25.1    16.4  11.0
2014 11 29    17 45 51.4 -08 49 03   2.3263  1.4861    24.5    16.0  11.1
2014 11 30    17 46 13.2 -08 30 56   2.3375  1.4910    24.0    15.6  11.1


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Close Encounters: Comet Siding Spring Seen Next to Mars

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MAVEN Ultraviolet Image of Comet Siding Spring's Hydrogen Coma

NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft obtained this ultraviolet image of hydrogen surrounding comet Siding Spring on Friday, Oct. 17, two days before the comet's closest approach to Mars. The Imaging Ultraviolet Spectrograph (IUVS) instrument imaged the comet at a distance of 8.5 million kilometres.
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NASA Rover Opportunity Views Comet Near Mars

pia18591-main-replacement-mer_css_long_0r_anno.jpg?itok=ioRIsQMV

NASA's Mars Exploration Rover Opportunity captured images of a comet passing much closer to Mars than any previous known comet flyby of Earth or Mars. The images of comet Siding Spring were taken against a backdrop of the pre-dawn Martian sky on Sunday (Oct. 19).
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Scientists should get a grandstand view of a comet on Sunday when it makes a dramatic flyby of Mars.
The icy object, known as Siding Spring, will miss the Red Planet by what is - in astronomical terms - just a hair's breadth, or 139,500km.
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Herschel_CometSidingSpring_625.jpg

These three images show emission from the dust in the coma surrounding the nucleus of Comet C/2013 A1 - also known as Comet Siding Spring - as observed at three different far-infrared wavelengths with ESA's Herschel space observatory.
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