Saludos
Durante el entrante mes de Agosto empezará a ser visible con telescópios pequeños, el cometa periódico 103P/Hartley 2, a medida que avance el mes se acercará rapidamente a la tierra y al sol, cosa que hará que a finales de mes y a princípios del mes de Septiembre sea observable con prismáticos, este acercamiento a la tierra y al sol continuará hasta bien entrado el Octubre, así que durante el mes de octubre (sobre todo la segunda quincena) y princípios de Noviembre es provable que el cometa sea visible a simple vista con una magnitud aparente de 4.5.
El dia 21 de Octubre se producirá su mínima distancia a la Tierra (0,12 U.A), y el dia 28 su mínima distancia al sol (1,0587 U.A)
Al acercarse tanto a la tierra es provable que sea un objeto bastante difuso, y al no acercarse mucho al sol y ser un objeto relativamente viejo es provable que no desarrolle mucha cola. Pero por suerte serà un objeto que durante su máximo brillo se verá durante casi toda la noche, y estarà casi en el cénit desde nuestras latitudes.
Cuelgo la curva de luz y la situacion en el cielo durante los próximos meses. También las efemérides desde Agosto hasta Enero.
Fuentes
www.aerith.net/ http://www.minorplanetcenter.org/iau/Ephemerides/Comets/index.html Curva de luz
Situación Junio-Octubre 2010
Efemérides
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2010 08 01 22 27 59.0 +23 44 27 0.7026 1.5684 131.0 29.2 11.6 19.0
2010 08 02 22 28 38.0 +24 09 11 0.6909 1.5597 131.3 29.3 11.6 18.9
2010 08 03 22 29 16.7 +24 34 04 0.6793 1.5510 131.5 29.3 11.5 18.9
2010 08 04 22 29 55.2 +24 59 08 0.6678 1.5423 131.8 29.4 11.4 18.8
2010 08 05 22 30 33.4 +25 24 22 0.6564 1.5336 132.0 29.4 11.3 18.8
2010 08 06 22 31 11.4 +25 49 47 0.6452 1.5250 132.3 29.5 11.2 18.8
2010 08 07 22 31 49.2 +26 15 21 0.6341 1.5163 132.5 29.6 11.1 18.7
2010 08 08 22 32 26.9 +26 41 06 0.6231 1.5077 132.7 29.6 11.0 18.7
2010 08 09 22 33 04.5 +27 07 01 0.6122 1.4992 132.9 29.7 11.0 18.6
2010 08 10 22 33 42.0 +27 33 05 0.6015 1.4906 133.1 29.8 10.9 18.6
2010 08 11 22 34 19.6 +27 59 20 0.5909 1.4821 133.2 29.9 10.8 18.5
2010 08 12 22 34 57.3 +28 25 45 0.5803 1.4736 133.4 30.0 10.7 18.5
2010 08 13 22 35 35.2 +28 52 19 0.5700 1.4652 133.5 30.1 10.6 18.4
2010 08 14 22 36 13.4 +29 19 04 0.5597 1.4567 133.6 30.2 10.5 18.4
2010 08 15 22 36 51.9 +29 46 00 0.5495 1.4483 133.7 30.3 10.4 18.3
2010 08 16 22 37 30.8 +30 13 06 0.5395 1.4400 133.8 30.5 10.3 18.3
2010 08 17 22 38 10.3 +30 40 22 0.5296 1.4316 133.9 30.6 10.2 18.2
2010 08 18 22 38 50.4 +31 07 49 0.5198 1.4233 134.0 30.8 10.1 18.2
2010 08 19 22 39 31.3 +31 35 28 0.5101 1.4151 134.1 30.9 10.1 18.1
2010 08 20 22 40 13.0 +32 03 17 0.5005 1.4069 134.1 31.1 10.0 18.1
2010 08 21 22 40 55.7 +32 31 18 0.4910 1.3987 134.1 31.3 9.9 18.0
2010 08 22 22 41 39.5 +32 59 31 0.4816 1.3906 134.1 31.5 9.8 18.0
2010 08 23 22 42 24.5 +33 27 56 0.4724 1.3825 134.1 31.7 9.7 17.9
2010 08 24 22 43 10.9 +33 56 33 0.4632 1.3744 134.1 31.9 9.6 17.9
2010 08 25 22 43 58.8 +34 25 22 0.4541 1.3664 134.1 32.1 9.5 17.8
2010 08 26 22 44 48.5 +34 54 24 0.4452 1.3585 134.1 32.3 9.4 17.8
2010 08 27 22 45 40.0 +35 23 39 0.4363 1.3506 134.0 32.5 9.3 17.7
2010 08 28 22 46 33.6 +35 53 08 0.4276 1.3428 134.0 32.8 9.2 17.7
2010 08 29 22 47 29.5 +36 22 50 0.4189 1.3350 133.9 33.0 9.1 17.6
2010 08 30 22 48 27.8 +36 52 46 0.4104 1.3273 133.8 33.3 9.0 17.6
2010 08 31 22 49 29.0 +37 22 56 0.4019 1.3196 133.7 33.6 8.9 17.5
2010 09 01 22 50 33.1 +37 53 22 0.3935 1.3120 133.6 33.9 8.8 17.5
2010 09 02 22 51 40.5 +38 24 02 0.3853 1.3044 133.5 34.2 8.7 17.4
2010 09 03 22 52 51.6 +38 54 58 0.3771 1.2970 133.3 34.5 8.6 17.4
2010 09 04 22 54 06.6 +39 26 10 0.3690 1.2896 133.2 34.8 8.5 17.3
2010 09 05 22 55 26.0 +39 57 38 0.3610 1.2822 133.1 35.1 8.4 17.3
2010 09 06 22 56 50.1 +40 29 23 0.3531 1.2750 132.9 35.4 8.3 17.2
2010 09 07 22 58 19.5 +41 01 26 0.3453 1.2678 132.7 35.7 8.3 17.2
2010 09 08 22 59 54.6 +41 33 46 0.3375 1.2606 132.6 36.1 8.2 17.1
2010 09 09 23 01 35.9 +42 06 26 0.3299 1.2536 132.4 36.4 8.1 17.1
2010 09 10 23 03 24.2 +42 39 24 0.3223 1.2467 132.2 36.8 8.0 17.0
2010 09 11 23 05 20.0 +43 12 42 0.3149 1.2398 132.0 37.1 7.9 17.0
2010 09 12 23 07 24.1 +43 46 21 0.3075 1.2330 131.8 37.5 7.8 16.9
2010 09 13 23 09 37.3 +44 20 22 0.3002 1.2263 131.6 37.9 7.7 16.9
2010 09 14 23 12 00.4 +44 54 44 0.2930 1.2197 131.4 38.2 7.6 16.8
2010 09 15 23 14 34.4 +45 29 28 0.2858 1.2132 131.2 38.6 7.5 16.7
2010 09 16 23 17 20.4 +46 04 34 0.2788 1.2068 131.0 39.0 7.4 16.7
2010 09 17 23 20 19.4 +46 40 03 0.2718 1.2004 130.7 39.4 7.3 16.6
2010 09 18 23 23 32.7 +47 15 53 0.2649 1.1942 130.5 39.8 7.2 16.6
2010 09 19 23 27 01.8 +47 52 03 0.2582 1.1881 130.3 40.1 7.1 16.5
2010 09 20 23 30 48.1 +48 28 32 0.2515 1.1821 130.1 40.5 7.0 16.5
2010 09 21 23 34 53.3 +49 05 18 0.2448 1.1762 129.9 40.9 6.9 16.4
2010 09 22 23 39 19.3 +49 42 17 0.2383 1.1704 129.7 41.3 6.8 16.3
2010 09 23 23 44 08.2 +50 19 24 0.2319 1.1648 129.5 41.7 6.7 16.3
2010 09 24 23 49 22.1 +50 56 34 0.2255 1.1592 129.3 42.1 6.5 16.2
2010 09 25 23 55 03.5 +51 33 39 0.2193 1.1538 129.1 42.5 6.4 16.2
2010 09 26 00 01 15.2 +52 10 29 0.2132 1.1485 128.9 42.8 6.3 16.1
2010 09 27 00 08 00.0 +52 46 51 0.2071 1.1433 128.7 43.2 6.2 16.0
2010 09 28 00 15 21.0 +53 22 30 0.2012 1.1383 128.5 43.6 6.1 16.0
2010 09 29 00 23 21.4 +53 57 07 0.1954 1.1333 128.3 44.0 6.0 15.9
2010 09 30 00 32 04.5 +54 30 17 0.1897 1.1285 128.1 44.3 5.9 15.9
2010 10 01 00 41 33.7 +55 01 31 0.1842 1.1239 127.9 44.7 5.8 15.8
2010 10 02 00 51 52.1 +55 30 15 0.1788 1.1194 127.7 45.0 5.7 15.7
2010 10 03 01 03 02.4 +55 55 49 0.1736 1.1150 127.5 45.4 5.6 15.7
2010 10 04 01 15 06.8 +56 17 23 0.1685 1.1108 127.4 45.7 5.5 15.6
2010 10 05 01 28 06.3 +56 34 04 0.1635 1.1067 127.2 46.0 5.4 15.5
2010 10 06 01 42 00.6 +56 44 50 0.1588 1.1028 127.0 46.4 5.4 15.5
2010 10 07 01 56 47.6 +56 48 35 0.1543 1.0990 126.8 46.7 5.3 15.4
2010 10 08 02 12 23.1 +56 44 09 0.1500 1.0954 126.6 47.1 5.2 15.4
2010 10 09 02 28 40.3 +56 30 20 0.1459 1.0920 126.4 47.4 5.1 15.3
2010 10 10 02 45 30.4 +56 06 03 0.1420 1.0887 126.2 47.8 5.0 15.2
2010 10 11 03 02 42.3 +55 30 16 0.1385 1.0855 125.9 48.1 4.9 15.2
2010 10 12 03 20 03.3 +54 42 12 0.1352 1.0826 125.7 48.5 4.8 15.1
2010 10 13 03 37 20.3 +53 41 20 0.1322 1.0798 125.4 48.9 4.8 15.1
2010 10 14 03 54 20.4 +52 27 27 0.1295 1.0771 125.0 49.3 4.7 15.1
2010 10 15 04 10 51.8 +51 00 41 0.1271 1.0747 124.6 49.8 4.6 15.0
2010 10 16 04 26 44.9 +49 21 35 0.1251 1.0724 124.2 50.3 4.6 15.0
2010 10 17 04 41 52.2 +47 30 59 0.1235 1.0702 123.7 50.8 4.5 15.0
2010 10 18 04 56 08.4 +45 30 03 0.1223 1.0683 123.2 51.3 4.5 15.0
2010 10 19 05 09 30.8 +43 20 09 0.1214 1.0665 122.6 51.9 4.5 15.0
2010 10 20 05 21 58.4 +41 02 54 0.1209 1.0649 122.0 52.4 4.5 15.0
2010 10 21 05 33 31.9 +38 39 56 0.1208 1.0635 121.4 53.0 4.4 15.02010 10 22 05 44 12.9 +36 12 59 0.1211 1.0623 120.7 53.7 4.4 15.0
2010 10 23 05 54 04.1 +33 43 43 0.1218 1.0612 120.0 54.3 4.4 15.0
2010 10 24 06 03 08.3 +31 13 42 0.1228 1.0604 119.3 54.9 4.5 15.1
2010 10 25 06 11 28.7 +28 44 22 0.1242 1.0597 118.7 55.4 4.5 15.1
2010 10 26 06 19 08.7 +26 16 58 0.1259 1.0592 118.0 56.0 4.5 15.2
2010 10 27 06 26 11.4 +23 52 34 0.1280 1.0588 117.3 56.5 4.5 15.2
2010 10 28 06 32 39.8 +21 32 02 0.1304 1.0587 116.7 57.0 4.6 15.32010 10 29 06 38 36.8 +19 16 02 0.1330 1.0587 116.1 57.4 4.6 15.3
2010 10 30 06 44 05.1 +17 05 04 0.1359 1.0590 115.6 57.8 4.7 15.4
2010 10 31 06 49 07.0 +14 59 27 0.1391 1.0594 115.1 58.1 4.7 15.4
2010 11 01 06 53 44.8 +12 59 24 0.1424 1.0600 114.6 58.4 4.8 15.5
2010 11 02 06 58 00.6 +11 04 58 0.1460 1.0607 114.2 58.6 4.8 15.6
2010 11 03 07 01 56.0 +09 16 10 0.1498 1.0617 113.9 58.7 4.9 15.6
2010 11 04 07 05 32.9 +07 32 55 0.1537 1.0628 113.6 58.8 5.0 15.7
2010 11 05 07 08 52.5 +05 55 03 0.1578 1.0641 113.4 58.8 5.0 15.7
2010 11 06 07 11 56.4 +04 22 26 0.1620 1.0656 113.2 58.8 5.1 15.8
2010 11 07 07 14 45.7 +02 54 49 0.1663 1.0673 113.1 58.7 5.2 15.9
2010 11 08 07 17 21.5 +01 32 01 0.1708 1.0692 113.0 58.6 5.2 15.9
2010 11 09 07 19 44.8 +00 13 47 0.1753 1.0712 112.9 58.4 5.3 16.0
2010 11 10 07 21 56.5 -01 00 06 0.1799 1.0734 112.9 58.2 5.4 16.0
2010 11 11 07 23 57.4 -02 09 52 0.1846 1.0758 113.0 57.9 5.5 16.1
2010 11 12 07 25 48.2 -03 15 46 0.1894 1.0783 113.1 57.6 5.5 16.1
2010 11 13 07 27 29.6 -04 17 59 0.1942 1.0810 113.2 57.3 5.6 16.2
2010 11 14 07 29 02.2 -05 16 44 0.1991 1.0839 113.3 56.9 5.7 16.2
2010 11 15 07 30 26.5 -06 12 13 0.2040 1.0870 113.5 56.6 5.8 16.3
2010 11 16 07 31 43.0 -07 04 36 0.2090 1.0902 113.8 56.1 5.9 16.3
2010 11 17 07 32 52.1 -07 54 05 0.2140 1.0935 114.0 55.7 5.9 16.4
2010 11 18 07 33 54.3 -08 40 49 0.2191 1.0971 114.3 55.2 6.0 16.4
2010 11 19 07 34 49.8 -09 24 56 0.2241 1.1007 114.6 54.7 6.1 16.5
2010 11 20 07 35 39.0 -10 06 36 0.2292 1.1046 114.9 54.2 6.2 16.5
2010 11 21 07 36 22.2 -10 45 55 0.2343 1.1086 115.3 53.7 6.2 16.5
2010 11 22 07 36 59.6 -11 23 01 0.2395 1.1127 115.7 53.1 6.3 16.6
2010 11 23 07 37 31.6 -11 58 00 0.2446 1.1170 116.1 52.6 6.4 16.6
2010 11 24 07 37 58.4 -12 30 59 0.2497 1.1214 116.5 52.0 6.5 16.7
2010 11 25 07 38 20.1 -13 02 03 0.2549 1.1260 117.0 51.4 6.6 16.7
2010 11 26 07 38 36.9 -13 31 17 0.2601 1.1307 117.4 50.8 6.6 16.7
2010 11 27 07 38 49.1 -13 58 45 0.2653 1.1355 117.9 50.2 6.7 16.8
2010 11 28 07 38 56.8 -14 24 31 0.2705 1.1405 118.4 49.5 6.8 16.8
2010 11 29 07 39 00.1 -14 48 40 0.2757 1.1456 118.9 48.9 6.9 16.8
2010 11 30 07 38 59.4 -15 11 15 0.2809 1.1509 119.5 48.3 7.0 16.9
2010 12 01 07 38 54.6 -15 32 19 0.2861 1.1562 120.0 47.6 7.0 16.9
2010 12 02 07 38 46.0 -15 51 54 0.2914 1.1617 120.6 46.9 7.1 16.9
2010 12 03 07 38 33.7 -16 10 04 0.2966 1.1673 121.2 46.3 7.2 17.0
2010 12 04 07 38 17.9 -16 26 51 0.3019 1.1730 121.7 45.6 7.3 17.0
2010 12 05 07 37 58.8 -16 42 17 0.3072 1.1789 122.3 44.9 7.4 17.0
2010 12 06 07 37 36.5 -16 56 24 0.3125 1.1848 123.0 44.3 7.4 17.0
2010 12 07 07 37 11.2 -17 09 14 0.3178 1.1908 123.6 43.6 7.5 17.1
2010 12 08 07 36 43.2 -17 20 50 0.3232 1.1970 124.2 42.9 7.6 17.1
2010 12 09 07 36 12.4 -17 31 13 0.3286 1.2033 124.8 42.2 7.7 17.1
2010 12 10 07 35 39.2 -17 40 26 0.3340 1.2096 125.5 41.5 7.8 17.2
2010 12 11 07 35 03.7 -17 48 29 0.3394 1.2161 126.1 40.9 7.9 17.2
2010 12 12 07 34 26.1 -17 55 25 0.3449 1.2226 126.8 40.2 7.9 17.2
2010 12 13 07 33 46.4 -18 01 15 0.3504 1.2293 127.4 39.5 8.0 17.2
2010 12 14 07 33 05.0 -18 06 01 0.3559 1.2360 128.1 38.8 8.1 17.3
2010 12 15 07 32 21.8 -18 09 45 0.3615 1.2428 128.7 38.2 8.2 17.3
2010 12 16 07 31 37.1 -18 12 28 0.3671 1.2498 129.4 37.5 8.3 17.3
2010 12 17 07 30 51.1 -18 14 11 0.3728 1.2567 130.0 36.8 8.3 17.3
2010 12 18 07 30 03.9 -18 14 56 0.3786 1.2638 130.7 36.2 8.4 17.4
2010 12 19 07 29 15.5 -18 14 45 0.3843 1.2710 131.3 35.5 8.5 17.4
2010 12 20 07 28 26.3 -18 13 38 0.3902 1.2782 132.0 34.9 8.6 17.4
2010 12 21 07 27 36.2 -18 11 38 0.3961 1.2855 132.6 34.3 8.7 17.5
2010 12 22 07 26 45.5 -18 08 46 0.4020 1.2929 133.3 33.6 8.8 17.5
2010 12 23 07 25 54.2 -18 05 03 0.4081 1.3003 133.9 33.0 8.8 17.5
2010 12 24 07 25 02.6 -18 00 30 0.4142 1.3078 134.5 32.4 8.9 17.5
2010 12 25 07 24 10.6 -17 55 10 0.4203 1.3154 135.1 31.8 9.0 17.6
2010 12 26 07 23 18.5 -17 49 02 0.4266 1.3230 135.7 31.2 9.1 17.6
2010 12 27 07 22 26.3 -17 42 09 0.4329 1.3307 136.3 30.7 9.2 17.6
2010 12 28 07 21 34.3 -17 34 32 0.4393 1.3384 136.9 30.1 9.2 17.7
2010 12 29 07 20 42.4 -17 26 13 0.4458 1.3462 137.5 29.6 9.3 17.7
2010 12 30 07 19 50.9 -17 17 11 0.4524 1.3541 138.1 29.0 9.4 17.7
2010 12 31 07 18 59.9 -17 07 30 0.4591 1.3620 138.6 28.5 9.5 17.7
2011 01 01 07 18 09.4 -16 57 10 0.4659 1.3700 139.1 28.0 9.6 17.8
2011 01 02 07 17 19.6 -16 46 13 0.4728 1.3780 139.6 27.5 9.7 17.8
2011 01 03 07 16 30.7 -16 34 41 0.4798 1.3860 140.1 27.1 9.7 17.8
2011 01 04 07 15 42.7 -16 22 35 0.4869 1.3941 140.6 26.6 9.8 17.9
2011 01 05 07 14 55.8 -16 09 56 0.4941 1.4023 141.0 26.2 9.9 17.9
2011 01 06 07 14 10.0 -15 56 47 0.5015 1.4105 141.4 25.8 10.0 17.9
2011 01 07 07 13 25.5 -15 43 08 0.5089 1.4187 141.8 25.4 10.1 18.0
2011 01 08 07 12 42.3 -15 29 03 0.5165 1.4270 142.2 25.0 10.2 18.0
2011 01 09 07 12 00.5 -15 14 31 0.5242 1.4353 142.5 24.6 10.2 18.0
2011 01 10 07 11 20.2 -14 59 36 0.5320 1.4436 142.8 24.3 10.3 18.1
2011 01 11 07 10 41.5 -14 44 18 0.5400 1.4520 143.1 24.0 10.4 18.1
2011 01 12 07 10 04.4 -14 28 40 0.5481 1.4604 143.4 23.7 10.5 18.1
2011 01 13 07 09 29.1 -14 12 42 0.5563 1.4689 143.6 23.4 10.6 18.2
2011 01 14 07 08 55.4 -13 56 26 0.5647 1.4773 143.8 23.2 10.6 18.2
2011 01 15 07 08 23.5 -13 39 55 0.5732 1.4858 144.0 22.9 10.7 18.2
2011 01 16 07 07 53.5 -13 23 08 0.5818 1.4944 144.1 22.7 10.8 18.3
2011 01 17 07 07 25.3 -13 06 09 0.5906 1.5029 144.2 22.5 10.9 18.3
2011 01 18 07 06 59.0 -12 48 58 0.5995 1.5115 144.3 22.3 11.0 18.4
2011 01 19 07 06 34.6 -12 31 37 0.6086 1.5201 144.3 22.2 11.1 18.4
2011 01 20 07 06 12.1 -12 14 06 0.6178 1.5287 144.3 22.1 11.1 18.4