2012年較明亮彗星(更新)
2012年亮於10等的彗星2012年 1月7.0等 彗星 P/2006 T1=P/2011 Y1 Levy(已尋回但只有19等)
2012年 2月7.0等 彗星 C/2009 P1 Garradd (減光)
2012年 7月2.5等 彗星 96P/Machholz 1 (尚未檢出)
Ephemeris of P/2006 T1 (Levy) at 12 hrs UTC (J2000)
T 2012 Jan 12.3060 TT
q1.006856 Peri. 179.6373
a3.031886 Node279.7638
e0.667911 Incl.18.2664
Ref: unp
年月 日 hm s o'" deltaRSun ElongPhase 光度 "/minPA
2011 Nov122 34 45.3 42 45 55 0.5681.389123.4 36.6 10.7 0.72 230.7
2011 Nov 1622 25 14.9 39 21 49 0.4941.267113.2 45.8 10.0 0.65 180.6
2011 Dec122 357.8 355 25 0.4201.159103.7 55.8 9.3 1.04 138.1
2011 Dec 16236 46.2 29 486 0.3401.074 95.9 65.8 8.5 1.90 123.5
2011 Dec 31 066.5 21 16 40 0.2581.020 90.8 74.5 7.6 3.56 123.0
2012 Jan 15 1 44 16.1 4 346 0.1991.008 91.3 77.4 7.0 6.15 126.3
2012 Jan 30 3 53 58.5-17 192 0.2051.038 99.4 69.4 7.2 5.97 120.0
2012 Feb 14 5 47 29.8-28 16 31 0.2771.107108.4 57.9 8.2 3.55 103.5
2012 Feb 29 74 47.0-29 53 32 0.3831.203114.8 48.4 9.2 2.2986.8
2012 Mar 15 7 58 54.2-281 26 0.5101.318118.7 41.5 10.2 1.7875.8
2012 Mar 30 8 41 10.4-25 11 10 0.6591.443119.7 36.9 11.2 1.5371.7
2012 Apr 14 9 17 17.9-22 28 39 0.8311.574117.9 34.3 12.1 1.3772.6
2012 Apr 29 9 49 50.0-20 20 41 1.0301.707113.9 32.6 12.9 1.2676.4
2012 May 1410 201.4-18 55 51 1.2531.840108.2 31.5 13.6 1.1781.3
2012 May 2910 48 31.4-18 11 55 1.4991.970101.6 30.3 14.3 1.1086.4
2012 Jun 1311 15 44.0-1835 1.7622.099 94.3 28.9 15.0 1.0690.9
2012 Jun 2811 41 57.1-18 22 12 2.0392.224 86.6 27.1 15.5 1.0294.8
2012 Jul 13127 23.2-192 39 2.3242.346 78.7 25.1 16.0 1.0097.8
2012 Jul 2812 32 14.1-19 58 38 2.6102.465 70.5 22.9 16.5 0.98 100.1
2012 Aug 1212 56 37.3-215 11 2.8922.580 62.2 20.3 16.9 0.96 101.7
2012 Aug 2713 20 40.5-22 18 18 3.1642.692 53.7 17.6 17.3 0.94 102.8
2012 Sep 1113 44 27.0-23 34 29 3.4192.800 45.0 14.7 17.6 0.93 103.3
2012 Sep 261480.2-24 50 58 3.6522.904 36.2 11.8 17.9 0.91 103.4
2012 Oct 1114 31 18.4-265 18 3.8573.006 27.4 8.8 18.2 0.89 103.1
2012 Oct 2614 54 19.3-27 15 38 4.0293.104 18.8 5.9 18.4 0.87 102.5
Ephemeris of C/2009 P1 (Garradd) at 12 hrs UTC (J2000)
T 2011 Dec 23.6852 TT
q1.550779 Peri.90.7397
z -0.000583 Node325.9958
e1.000904 Incl. 106.1893
Ref: MPC 73462
年月 日 hm s o'" deltaRSun ElongPhase 光度 "/minPA
2011 Jul122 43 17.4 2 44 12 2.1532.747115.4 19.5 10.1 1.01 311.9
2011 Jul 1622 18 42.3 78 25 1.8102.602132.0 16.9 9.4 1.54 301.0
2011 Jul 3121 38 16.4 125 31 1.5492.459146.5 13.2 8.9 2.17 292.6
2011 Aug 1520 41 46.4 16 390 1.4082.320146.2 14.0 8.4 2.56 284.5
2011 Aug 3019 39 35.8 19 215 1.4062.184128.6 21.2 8.1 2.35 276.2
2011 Sep 1418 47 23.1 19 55 33 1.5152.054107.4 27.9 8.0 1.73 269.1
2011 Sep 2918 11 41.8 19 26 33 1.6791.933 88.5 31.2 8.0 1.10 264.4
2011 Oct 1417 50 11.1 18 52 56 1.8511.822 72.7 31.5 7.9 0.63 263.8
2011 Oct 2917 38 22.5 18 439 1.9941.725 59.9 29.9 7.9 0.33 273.4
2011 Nov 1317 32 41.2 199 59 2.0871.646 50.6 27.7 7.8 0.19 313.6
2011 Nov 2817 30 36.8 20 21 38 2.1161.589 45.5 26.3 7.6 0.27 352.6
2011 Dec 1317 30 20.4 22 294 2.0771.557 45.7 26.9 7.5 0.44 0.5
2011 Dec 2817 30 18.1 25 49 31 1.9701.552 51.0 29.5 7.4 0.68 358.4
2012 Jan 1217 28 32.1 30 52 31 1.8061.575 60.5 32.9 7.3 1.03 352.9
2012 Jan 2717 21 33.1 38 23 45 1.6091.623 73.0 35.5 7.1 1.56 345.8
2012 Feb 11170 23.0 49 16 49 1.4161.695 87.8 35.6 7.0 2.32 336.0
2012 Feb 2615 54 29.1 62 58 54 1.2861.785102.6 32.8 7.1 3.11 316.2
2012 Mar 1212 42 43.0 70 38 26 1.2861.891111.5 29.3 7.3 3.32 265.6
2012 Mar 27 9 56 57.7 61 47 56 1.4432.009109.4 27.9 7.8 2.73 220.3
2012 Apr 11 95 43.1 49 48 25 1.7252.137 99.8 27.5 8.5 1.94 201.1
2012 Apr 26 8 51 22.6 40 221 2.0772.270 87.6 26.3 9.1 1.36 188.0
2012 May 11 8 500.5 33 20 26 2.4582.409 75.3 23.9 9.8 1.02 175.8
2012 May 26 8 54 19.9 27 57 26 2.8422.551 63.2 20.8 10.3 0.83 164.4
2012 Jun 10 91 29.2 23 384 3.2082.695 51.5 17.1 10.8 0.72 154.9
2012 Jun 25 9 105.5 19 59 32 3.5432.840 40.0 13.3 11.3 0.67 147.9
96P/Machholz 1 彗星
2012年6月30日起光度亮過10等，7月15日達2.5等，7月31日降至10等 (近日，難觀測)
Date__(UT)__HR:MN R.A._(ICRF/J2000.0)_DECT-magAng-diam delta deldot
-------------------------------------------------------------------------------------------
2012-Jul-01 00:00 * 05 34 45.85 -02 43 40.6 9.610.009236 0.9554213285276012.6781867
2012-Jul-03 00:00 * 05 49 27.64 +00 19 42.5 9.040.009070 0.9729261548391116.9931967
2012-Jul-05 00:00 * 06 04 10.60 +03 30 12.8 8.380.008864 0.9954971490174721.4282799
2012-Jul-07 00:00 *m06 19 05.63 +06 49 38.1 7.570.008624 1.0232278334911425.8849757
2012-Jul-09 00:00 *m06 34 34.23 +10 21 55.5 6.540.008357 1.0559570427456329.9471331
2012-Jul-11 00:00 *m06 51 21.50 +14 14 55.4 5.170.008078 1.0924322044514431.7964792
2012-Jul-13 00:00 *m07 11 09.04 +18 41 26.7 3.460.007834 1.1264372115556623.1025780
2012-Jul-15 00:00 *m07 36 36.81 +23 33 24.2 2.500.007779 1.13443021658270 -14.6648415
2012-Jul-17 00:00 *m08 05 33.35 +27 18 44.6 3.790.008035 1.09824094572846 -42.1632344
2012-Jul-19 00:00 *m08 33 41.65 +29 26 12.7 5.420.008417 1.04844884751015 -42.5727073
2012-Jul-21 00:00 *m09 00 59.96 +30 29 44.9 6.680.008798 1.00301428397351 -36.4478811
2012-Jul-23 00:00 * 09 27 53.87 +30 48 58.0 7.640.009140 0.96541923566242 -29.3449198
2012-Jul-25 00:00 * 09 54 26.16 +30 32 55.5 8.410.009427 0.93603886612104 -22.2956774
2012-Jul-27 00:00 * 10 20 25.66 +29 46 58.1 9.040.009648 0.91466499863177 -15.5012766
2012-Jul-29 00:00 * 10 45 35.50 +28 35 30.3 9.590.009794 0.90096699591309-9.0152006
2012-Jul-31 00:00 * 11 09 38.75 +27 02 58.510.080.009864 0.89456611311181-2.8749256
Ephemeris of C/2009 P1 (Garradd) at 20 hrs UTC (J2000)
T 2011 Dec 23.6754 TT
q1.550564 Peri.90.7454
z -0.000652 Node325.9972
e1.001011 Incl. 106.1774
Ref: MPEC 2011-W48
ym d hm s o'" deltaRSun ElongPhase Mag "/minPA
2011 Nov 2617 30 42.9 20 11 35 2.1161.594 45.8 26.4 12.7 0.26 350.3
2011 Dec617 30 19.9 21 257 2.1031.568 44.9 26.3 12.6 0.36 359.0
2011 Dec 1617 30 21.1 236 56 2.0581.553 46.4 27.3 12.5 0.49 0.5
2011 Dec 2617 30 19.7 25 23 20 1.9841.551 50.2 29.1 12.4 0.65 358.9
2012 Jan517 29 40.7 28 23 15 1.8841.561 55.8 31.4 12.3 0.86 355.6
2012 Jan 1517 27 35.5 32 18 34 1.7641.583 63.0 33.6 12.2 1.13 351.5
2012 Jan 2517 22 44.7 37 25 10 1.6311.616 71.5 35.3 12.1 1.49 346.7
2012 Feb417 12 33.5 4409 1.4971.660 81.1 35.9 12.1 1.96 340.8
2012 Feb 1416 51 32.2 52 11 51 1.3791.713 91.2 35.2 12.0 2.51 332.9
2012 Feb 241669.1 61 28 41 1.2951.774101.1 33.2 12.1 3.04 319.4
2012 Mar514 25 42.5 69 12 20 1.2661.842108.7 30.7 12.2 3.34 292.5
2012 Mar 1511 51 34.1 69 472 1.3071.917112.0 28.8 12.4 3.24 252.1
2012 Mar 25107 28.5 639 15 1.4191.996110.2 28.0 12.8 2.81 223.5
2012 Apr4 9 20 59.6 54 533 1.5882.079104.6 27.8 13.2 2.27 208.2
2012 Apr 14 90 36.3 47 26 48 1.7992.166 97.1 27.4 13.6 1.79 198.0
2012 Apr 24 8 523.8 41 15 56 2.0362.255 89.0 26.5 14.1 1.41 189.3
2012 May4 8 49 36.4 36 124 2.2882.347 80.7 25.1 14.5 1.15 181.1
2012 May 14 8 50 34.6 320 46 2.5442.440 72.6 23.3 14.9 0.96 173.1
2012 May 24 8 53 38.7 28 28 54 2.8002.535 64.5 21.1 15.3 0.84 165.5
2012 Jun3 8 582.4 25 26 27 3.0482.631 56.6 18.8 15.6 0.76 158.8
2012 Jun 13 93 16.8 22 45 54 3.2852.727 48.9 16.3 15.9 0.71 153.1
本帖最後由 零度星系 於 2011-12-17 00:17 編輯
老师是不是C/2009 P1 (Garradd) 彗星亮度又恢复了？
Date UT R.A. (J2000) Decl. Delta r El. Ph. m1 Sky Motion
h m s "/min P.A.
2012 02 01 000000 17 17 20.2 +41 17 24 1.548 1.642 77.335.8 7.1 1.77 343.2
2012 02 02 000000 17 16 12.7 +41 58 28 1.535 1.647 78.335.9 7.1 1.81 342.6
2012 02 03 000000 17 15 00.2 +42 40 31 1.521 1.651 79.335.9 7.1 1.86 342.0
2012 02 04 000000 17 13 42.2 +43 23 33 1.508 1.656 80.235.9 7.1 1.91 341.4
2012 02 05 000000 17 12 18.5 +44 07 35 1.495 1.661 81.235.9 7.1 1.97 340.7
2012 02 06 000000 17 10 48.5 +44 52 36 1.482 1.666 82.235.9 7.1 2.02 340.1
2012 02 07 000000 17 09 11.9 +45 38 38 1.470 1.671 83.235.9 7.1 2.07 339.4
2012 02 08 000000 17 07 27.9 +46 25 38 1.457 1.676 84.335.8 7.1 2.12 338.7
2012 02 09 000000 17 05 36.2 +47 13 37 1.445 1.681 85.335.8 7.1 2.18 337.9
2012 02 10 000000 17 03 36.0 +48 02 34 1.433 1.686 86.335.7 7.1 2.23 337.1
2012 02 11 000000 17 01 26.7 +48 52 27 1.421 1.692 87.335.6 7.0 2.29 336.3
2012 02 12 000000 16 59 07.4 +49 43 16 1.410 1.697 88.335.5 7.0 2.35 335.5
2012 02 13 000000 16 56 37.4 +50 34 57 1.398 1.703 89.435.4 7.0 2.40 334.6
2012 02 14 000000 16 53 55.7 +51 27 30 1.387 1.708 90.435.3 7.0 2.46 333.7
2012 02 15 000000 16 51 01.3 +52 20 50 1.377 1.714 91.435.2 7.0 2.52 332.7
2012 02 16 000000 16 47 53.0 +53 14 55 1.367 1.720 92.435.0 7.0 2.57 331.7
2012 02 17 000000 16 44 29.6 +54 09 39 1.357 1.726 93.434.9 7.0 2.63 330.7
2012 02 18 000000 16 40 49.7 +55 04 58 1.347 1.732 94.534.7 7.0 2.69 329.5
2012 02 19 000000 16 36 51.7 +56 00 46 1.338 1.738 95.534.5 7.0 2.74 328.3
2012 02 20 000000 16 32 34.1 +56 56 56 1.329 1.744 96.534.3 7.0 2.80 327.0
2012 02 21 000000 16 27 55.0 +57 53 20 1.321 1.750 97.434.1 7.0 2.85 325.6
2012 02 22 000000 16 22 52.3 +58 49 49 1.314 1.756 98.433.9 7.0 2.90 324.2
2012 02 23 000000 16 17 24.0 +59 46 13 1.306 1.762 99.433.6 7.0 2.95 322.6
2012 02 24 000000 16 11 27.7 +60 42 20 1.300 1.769100.333.4 7.0 3.00 320.9
2012 02 25 000000 16 05 00.9 +61 37 57 1.294 1.775101.233.1 7.1 3.05 319.1
2012 02 26 000000 15 58 00.9 +62 32 48 1.288 1.782102.132.9 7.1 3.09 317.2
2012 02 27 000000 15 50 25.0 +63 26 39 1.283 1.788103.032.6 7.1 3.13 315.1
2012 02 28 000000 15 42 10.3 +64 19 09 1.279 1.795103.932.4 7.1 3.17 312.8
2012 02 29 000000 15 33 14.3 +65 09 59 1.275 1.802104.732.1 7.1 3.20 310.4
2012 03 01 000000 15 23 34.2 +65 58 47 1.272 1.809105.531.9 7.1 3.24 307.8 回復 6# 零度星系
Horizon 天文台, Petropavlovsk (C46) 在2011年12月13.56日觀測 C/2009 P1 Garradd 彗星，它的光度 10.9等，按照推算它比較 MPEC 2011-W48 預測光亮，但又未到 MPEC 2011-Y02 的預測光度。
Ephemeris of C/2009 P1 (Garradd) at 12 hrs UTC (J2000)
T 2011 Dec 23.6767 TT
q1.550544 Peri.90.7481
z -0.000679 Node325.9988
e1.001053 Incl. 106.1768
Ref: MPEC 2011-Y02
ym d hm s o'" deltaRSun ElongPhase Mag "/minPA
2011 Dec 1117 30 18.9 228 49 2.0861.560 45.3 26.7 7.5 0.42 0.2
2011 Dec 1217 30 19.1 22 192 2.0811.558 45.5 26.8 7.5 0.43 0.4
2011 Dec 1317 30 19.4 22 29 33 2.0761.557 45.7 26.9 7.5 0.44 0.5
2011 Dec 1417 30 19.9 22 40 23 2.0711.556 45.9 27.0 7.5 0.46 0.5
2011 Dec 1517 30 20.3 22 51 33 2.0661.555 46.1 27.1 7.5 0.47 0.6
2011 Dec 1617 30 20.8 2333 2.0601.554 46.4 27.3 7.5 0.49 0.5
2011 Dec 1717 30 21.3 23 14 53 2.0541.553 46.6 27.4 7.5 0.50 0.5
2011 Dec 1817 30 21.7 23 275 2.0481.552 46.9 27.6 7.5 0.52 0.4
2011 Dec 1917 30 22.1 23 39 37 2.0411.552 47.2 27.7 7.5 0.53 0.3
2011 Dec 2017 30 22.3 23 52 32 2.0341.551 47.6 27.9 7.4 0.55 0.2
2011 Dec 2117 30 22.5 245 49 2.0271.551 47.9 28.1 7.4 0.56 0.1
這是MPEC 2011-Y02 十二月至明年三月的預測，但從觀測所得，它的亮度達不到 Y02 的預期
Ephemeris of C/2009 P1 (Garradd) at 12 hrs UTC (J2000)
T 2011 Dec 23.6767 TT
q1.550544 Peri.90.7481
z -0.000679 Node325.9988
e1.001053 Incl. 106.1768
Ref: MPEC 2011-Y02
ym d hm s o'" deltaRSun ElongPhase Mag "/minPA
2011 Dec 1117 30 18.9 228 49 2.0861.560 45.3 26.7 7.5 0.42 0.2
2011 Dec 1617 30 20.8 2333 2.0601.554 46.4 27.3 7.5 0.49 0.5
2011 Dec 2117 30 22.5 245 49 2.0271.551 47.9 28.1 7.4 0.56 0.1
2011 Dec 2617 30 20.0 25 18 10 1.9871.551 50.0 29.1 7.4 0.65 359.0
2011 Dec 3117 308.6 26 41 16 1.9411.554 52.6 30.2 7.4 0.74 357.5
2012 Jan517 29 42.8 28 16 27 1.8881.561 55.6 31.3 7.3 0.85 355.7
2012 Jan 1017 28 56.4 305 19 1.8301.570 59.0 32.5 7.3 0.97 353.7
2012 Jan 1517 27 41.4 329 41 1.7681.582 62.8 33.6 7.2 1.12 351.6
2012 Jan 2017 25 47.0 34 31 42 1.7031.597 66.9 34.5 7.2 1.29 349.3
2012 Jan 2517 22 58.0 37 13 37 1.6361.615 71.2 35.3 7.2 1.48 346.8
2012 Jan 3017 18 52.9 40 17 36 1.5681.636 75.9 35.7 7.1 1.70 344.1
2012 Feb417 131.2 43 45 25 1.5021.658 80.7 35.9 7.1 1.94 341.1
2012 Feb9174 37.3 47 37 56 1.4391.684 85.8 35.8 7.1 2.21 337.5
2012 Feb 1416 52 30.3 51 542 1.3821.711 90.9 35.2 7.0 2.49 333.2
2012 Feb 1916 34 45.7 56 28 46 1.3341.741 96.0 34.4 7.0 2.77 327.7
2012 Feb 24168 18.5 61 10 11 1.2971.772100.8 33.3 7.0 3.02 320.0
2012 Feb 2915 28 30.3 65 34 38 1.2731.805105.1 32.0 7.1 3.22 309.2
2012 Mar514 30 15.8 691 48 1.2661.840108.5 30.7 7.2 3.33 293.7
2012 Mar 1013 14 31.8 70 38 59 1.2761.876110.9 29.6 7.3 3.34 273.9
San Gabriel (J63) 在2011年12月23.26日觀測 C/2009 P1 Garradd 彗星，它的光度 11.8等，光度下降，而非推算的光度上升。 Garradd 彗星過近日點後，光度回升，從2012年1月1月的照片它的光度近8等，有彗尾
http://www.spanglefish.com/northernskies/documents/lix_0427enhascrcl.jpg
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