那个亮目标是73P，另外还可以看到41P
至于M4，我是怎么也没看到 /2006 M4 (SWAN)
Orbital Elements
The following orbital elements are taken from MPEC 2006-O17:
C/2006 M4 (SWAN)
T 2006 Sept. 28.613 TT MPC
q 0.77860 (2000.0) P Q
Peri. 62.851 -0.218469 +0.848697
Node 148.746 +0.148060 -0.459029
e 1.0 Incl. 111.822 +0.964546 +0.262691
From 39 observations 2006 July 12-21.
An explanation of the orbital elements is available.
These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.
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Ephemeris
The following ephemeris is at intervals of five days. A daily ephemeris covering the same time interval is also available.
Personalized ephemerides for this (and other) objects may be generated using the Minor Planet & Comet Ephemeris Service.
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2006 07 14 09 07.94 -01 20.8 2.330 1.575 32.8 20.5 12.3
2006 10 02 12 13.73 +33 23.5 1.296 0.781 37.0 50.5 8.0
2006 10 07 12 49.39 +36 00.7 1.194 0.795 41.3 56.1 7.9
2006 10 12 13 33.74 +37 56.4 1.106 0.821 45.6 60.3 7.9
2006 10 17 14 26.47 +38 35.3 1.039 0.856 49.7 62.6 7.9
2006 10 22 15 24.17 +37 24.8 1.000 0.899 53.6 62.9 8.0
2006 10 27 16 20.88 +34 18.5 0.995 0.949 57.0 61.5 8.3
2006 11 01 17 11.33 +29 47.5 1.023 1.005 59.8 58.6 8.6
2006 11 06 17 53.37 +24 41.8 1.084 1.064 61.5 55.0 8.9
2006 11 11 18 27.43 +19 43.1 1.169 1.127 62.2 51.1 9.4
2006 11 16 18 55.00 +15 14.3 1.275 1.191 62.0 47.1 9.8
2006 11 21 19 17.61 +11 23.0 1.394 1.258 61.0 43.4 10.2
2006 11 26 19 36.51 +08 08.2 1.522 1.325 59.3 39.8 10.6
2006 12 01 19 52.63 +05 25.8 1.655 1.393 57.1 36.5 11.0
2006 12 06 20 06.66 +03 10.5 1.792 1.462 54.6 33.3 11.4
2006 12 11 20 19.08 +01 17.7 1.929 1.531 51.8 30.4 11.8
2006 12 16 20 30.25 -00 16.5 2.066 1.599 48.8 27.6 12.1
2006 12 21 20 40.43 -01 35.5 2.201 1.668 45.6 24.9 12.4
2006 12 26 20 49.83 -02 41.8 2.334 1.737 42.3 22.4 12.7
2006 12 31 20 58.56 -03 37.7 2.462 1.805 38.9 20.0 13.0
2007 01 05 21 06.76 -04 25.0 2.587 1.873 35.4 17.7 13.3
2007 01 10 21 14.49 -05 05.0 2.707 1.941 31.8 15.5 13.5 才看到本贴
那个亮目标是73P，另外还可以看到41P
至于M4，我是怎么也没看到呵呵，相关讨论我觉得还是在乐天派那里进行吧！是73P的答案上次您告诉我了，不过我的答复苏华老师还没回复呢！
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