C/2008 J4 (McNaught)
T 2008 June 19.50858 TT Nakano
q 0.4479502 (2000.0) P Q
Peri. 93.39341 +0.02156754 -0.33151041
Node 289.24769 -0.33227040 +0.88742052
e 1.0 Incl. 87.50175 +0.94293755 +0.32028996
From 22 observations 2008 May 10-25.
Residuals in seconds of arc
2008/ 080512 F85 0.7- 0.7- 080519 J24 3.1+ 0.7-
080510 E12 1.5+ 2.7+ 080512 E12 (5.6- 7.2-) 080520 349 0.2+ 0.1-
080510 E12 0.6- 2.9+ 080513 F85 3.7- 1.8- 080520 349 0.0 0.3-
080510 E12 1.2- 3.1+ 080513 F85 1.6- 3.5- 080520 349 0.9- 0.7+
080510 E12 0.7+ 2.4+ 080518 J24 3.0+ 0.3+ 080520 349 0.1- 0.2+
080511 E12 (5.7- 2.5-) 080518 J24 3.9+ 0.5+ 080523 F85 3.5- 2.3-
080511 E12 (8.9- 4.1-) 080518 J24 3.5+ 0.3- 080525 349 0.6- 3.7+
080512 F85 3.3- 2.2- 080519 J24 2.3+ 0.9- 080525 349 3.0- 0.8+
080512 F85 2.0- 2.9- 080519 J24 2.8+ 1.0-
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2008 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2008-07-01 07:43:53(JST).
◎C/2008 J4の軌道と予報位置
すでにMPEC L32 (2008)で報じられているとおり，上尾の門田健一氏から５月
20日と25日の観測が報告された．氏のCCD全光度は，それぞれ，14.8等と14.3等
で，５月20日のコマの視直径は0'.7，西南に1'の尾，25日には1'.3のコマと3'
の尾が見られた．氏の観測位置は，以前のEMESの予報位置に比較的良くあって
いた．彗星はあとしばらく，観測可能であろう．
C/2008 J4 (McNaught)
T 2008 June 19.50858 TT Nakano
q 0.4479502 (2000.0) P Q
Peri. 93.39341 +0.02156754 -0.33151041
Node 289.24769 -0.33227040 +0.88742052
e 1.0 Incl. 87.50175 +0.94293755 +0.32028996
From 22 observations 2008 May 10-25.
2008/ α (2000) δ △ ｒ Daily motion Elong. Phase m1 天文薄明開始時
27h JST h m ｡ , AU AU , ｡ ｡ ｡ 等 h｡ A ｡
June 10 04 04.10 +48 50.9 0.893 0.500 142.6/ 81 29.5 88.9 12.2 +11.0 216.5
11 04 18.47 +49 08.7 0.918 0.490 136.7/ 86 28.8 86.7 12.2 +9.9 215.1
12 04 32.40 +49 15.8 0.944 0.480 131.0/ 90 28.1 84.3 12.2 +8.8 213.8
13 04 45.77 +49 13.0 0.971 0.472 125.5/ 94 27.3 81.6 12.2 +7.7 212.7
14 04 58.51 +49 01.3 0.999 0.464 120.4/ 98 26.6 78.7 12.2 +6.6 211.7
15 05 10.54 +48 41.5 1.027 0.458 115.6/102 25.9 75.7 12.2 +5.5 210.9
16 05 21.84 +48 14.6 1.056 0.454 111.0/106 25.2 72.4 12.2 +4.4 210.2
17 05 32.39 +47 41.4 1.086 0.450 106.8/110 24.4 69.0 12.2 +3.3 209.7
18 05 42.21 +47 03.0 1.116 0.448 102.9/114 23.7 65.6 12.3 +2.2 209.3
19 05 51.30 +46 20.1 1.146 0.448 99.3/117 22.9 62.0 12.3 +1.1 209.0
20 05 59.71 +45 33.5 1.176 0.449 95.9/120 22.1 58.5 12.4 +0.1 208.8
21 06 07.46 +44 43.9 1.206 0.452 92.7/123 21.3 54.9 12.5 -1.0 208.7
22 06 14.61 +43 51.9 1.236 0.456 89.8/126 20.5 51.4 12.5 -2.0 208.8
23 06 21.21 +42 58.1 1.266 0.461 87.0/129 19.7 47.9 12.6 -3.0 208.9
24 06 27.29 +42 03.0 1.295 0.468 84.3/131 18.8 44.6 12.8 -4.0 209.1
25 06 32.92 +41 07.0 1.324 0.475 81.8/133 18.0 41.3 12.9 -4.9 209.4
26 06 38.12 +40 10.5 1.352 0.485 79.4/135 17.1 38.2 13.0 -5.8 209.7
27 06 42.94 +39 13.9 1.380 0.495 77.2/137 16.3 35.2 13.1 -6.6 210.1
28 06 47.43 +38 17.3 1.407 0.506 75.0/138 15.4 32.3 13.3 -7.4 210.6
29 06 51.61 +37 21.0 1.434 0.518 72.9/140 14.6 29.6 13.4 -8.2 211.2
30 06 55.52 +36 25.1 1.460 0.531 70.9/141 13.7 27.0 13.6 -8.9 211.8
July 1 06 59.18 +35 29.8 1.486 0.544 69.0/142 12.9 24.6 13.7 -9.6 212.4
2 07 02.62 +34 35.2 1.511 0.558 67.2/143 12.0 22.3 13.9 -10.3 213.1
3 07 05.87 +33 41.4 1.535 0.573 65.5/144 11.2 20.2 14.0 -10.9 213.8
4 07 08.93 +32 48.4 1.559 0.588 63.8/145 10.4 18.1 14.2 -11.4 214.6
5 07 11.84 +31 56.3 1.582 0.604 62.2/145 9.6 16.2 14.3 -11.9 215.4
6 07 14.60 +31 05.1 1.605 0.620 60.7/146 8.8 14.5 14.5 -12.4 216.3
7 07 17.24 +30 14.8 1.628 0.636 59.3/146 8.0 12.8 14.6 -12.9 217.1
8 07 19.75 +29 25.4 1.649 0.653 57.9/147 7.2 11.3 14.7 -13.3 218.0
9 07 22.16 +28 36.9 1.671 0.670 56.5/147 6.5 9.8 14.9 -13.6 218.9
10 07 24.47 +27 49.3 1.691 0.687 55.3/148 5.7 8.5 15.0 -13.9 219.8
11 07 26.69 +27 02.5 1.712 0.705 54.1/148 5.1 7.3 15.1 -14.2 220.8
12 07 28.82 +26 16.7 1.732 0.722 52.9/148 4.4 6.2 15.3 -14.5 221.8
13 07 30.89 +25 31.7 1.751 0.740 51.8/148 3.9 5.3 15.4 -14.7 222.8
14 07 32.88 +24 47.5 1.770 0.758 50.8/149 3.4 4.6 15.5 -14.9 223.8
15 07 34.81 +24 04.1 1.789 0.776 49.8/149 3.1 4.0 15.7 -15.0 224.8
16 07 36.68 +23 21.4 1.807 0.794 48.8/149 2.9 3.8 15.8 -15.1 225.8
17 07 38.49 +22 39.5 1.825 0.812 47.9/149 3.0 3.8 15.9 -15.2 226.8
18 07 40.26 +21 58.4 1.843 0.830 47.0/149 3.3 4.0 16.0 -15.2 227.9
19 07 41.97 +21 17.9 1.860 0.848 46.2/149 3.7 4.4 16.1 -15.3 228.9
20 07 43.64 +20 38.0 1.876 0.866 45.4/150 4.2 4.9 16.2 -15.3 230.0
21 07 45.27 +19 58.9 1.893 0.884 44.6/150 4.7 5.4 16.4 -15.2 231.0
22 07 46.86 +19 20.3 1.909 0.903 43.9/150 5.4 6.0 16.5 -15.1 232.1
23 07 48.42 +18 42.3 1.925 0.921 43.2/150 6.0 6.6 16.6 -15.0 233.2
24 07 49.94 +18 04.9 1.940 0.939 42.5/150 6.7 7.2 16.7 -14.9 234.2
25 07 51.42 +17 28.1 1.955 0.957 41.9/150 7.4 7.8 16.8 -14.8 235.3
26 07 52.88 +16 51.7 1.970 0.975 41.3/150 8.1 8.4 16.9 -14.6 236.4
27 07 54.30 +16 15.9 1.985 0.993 40.7/150 8.7 8.9 17.0 -14.4 237.4
28 07 55.70 +15 40.5 1.999 1.011 40.1/150 9.5 9.5 17.1 -14.2 238.5
29 07 57.07 +15 05.7 2.013 1.029 39.6/150 10.2 10.0 17.1 -13.9 239.6
30 07 58.41 +14 31.2 2.027 1.047 39.0/151 10.9 10.5 17.2 -13.7 240.6
31 07 59.73 +13 57.2 2.040 1.065 38.5/151 11.6 11.0 17.3 -13.4 241.7
Aug. 1 08 01.02 +13 23.6 2.053 1.083 38.1/151 12.3 11.5 17.4 -13.1 242.8
m1 = 15.5 + 5 log △ + 10.0 log ｒ
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2008 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2008-06-10 06:25:09(JST).
C/2008 J4 (McNaught)
T 2008 June 19.50297 TT Nakano
q 0.4474495 (2000.0) P Q
Peri. 93.44913 +0.01927801 -0.33122233
Node 289.23616 -0.33208109 +0.88784479
e 1.0 Incl. 87.62232 +0.94305382 +0.31941101
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2008 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2008-05-30 05:17:26(JST).
◎C/2008 J4の軌道と予報位置
彗星は，６月上旬に明け方の低空で12等級まで明るくなるでしょう．
C/2008 J4 (McNaught)
T 2008 June 19.44060 TT Nakano
q 0.4448496 (2000.0) P Q
Peri. 93.70866 +0.00522527 -0.32839831
Node 289.10938 -0.33232097 +0.89028447
e 1.0 Incl. 88.39556 +0.94315188 +0.31551246
From 11 observations 2008 May 10-13.
2008/ α (2000) δ △ ｒ Daily motion Elong. Phase m1 天文薄明開始時
27h JST h m ｡ , AU AU , ｡ ｡ ｡ 等 h｡ A ｡
May 15 23 46.47 -00 01.0 0.884 0.929 126.7/ 33 58.3 67.7 15.4 +13.1 279.6
16 23 51.10 +01 45.0 0.864 0.911 132.9/ 33 57.5 69.4 15.3 +13.8 277.8
17 23 55.97 +03 36.0 0.845 0.893 139.2/ 33 56.6 71.1 15.1 +14.5 276.0
18 00 01.11 +05 32.1 0.827 0.875 145.7/ 34 55.7 72.9 15.0 +15.1 274.0
19 00 06.54 +07 33.3 0.810 0.856 152.2/ 34 54.7 74.7 14.9 +15.8 271.9
20 00 12.30 +09 39.3 0.794 0.838 158.7/ 34 53.7 76.6 14.7 +16.4 269.7
21 00 18.40 +11 50.1 0.780 0.820 165.1/ 35 52.5 78.5 14.6 +17.0 267.4
22 00 24.89 +14 05.3 0.767 0.802 171.2/ 35 51.3 80.4 14.5 +17.5 264.9
23 00 31.79 +16 24.4 0.755 0.784 176.9/ 36 50.1 82.3 14.3 +18.0 262.3
24 00 39.13 +18 46.7 0.746 0.766 182.1/ 37 48.8 84.1 14.2 +18.4 259.6
25 00 46.97 +21 11.6 0.738 0.748 186.6/ 38 47.4 86.0 14.1 +18.7 256.9
26 00 55.32 +23 37.9 0.732 0.730 190.4/ 39 46.0 87.7 14.0 +18.9 254.0
27 01 04.23 +26 04.7 0.728 0.712 193.2/ 40 44.6 89.4 13.8 +19.1 251.1
28 01 13.73 +28 30.5 0.726 0.695 195.0/ 42 43.2 91.0 13.7 +19.1 248.1
29 01 23.86 +30 54.2 0.726 0.677 195.7/ 44 41.9 92.4 13.6 +19.1 245.1
30 01 34.62 +33 14.1 0.729 0.660 195.4/ 46 40.5 93.7 13.5 +18.9 242.1
31 01 46.05 +35 28.9 0.733 0.643 194.0/ 48 39.2 94.7 13.4 +18.6 239.2
June 1 01 58.14 +37 37.0 0.740 0.626 191.5/ 50 37.9 95.5 13.3 +18.2 236.3
2 02 10.88 +39 37.0 0.749 0.610 188.1/ 53 36.7 96.0 13.2 +17.6 233.5
3 02 24.22 +41 27.6 0.760 0.594 183.9/ 56 35.6 96.3 13.1 +17.0 230.8
4 02 38.12 +43 07.8 0.773 0.578 179.0/ 59 34.5 96.2 13.1 +16.3 228.2
5 02 52.49 +44 36.7 0.788 0.563 173.5/ 62 33.5 95.9 13.0 +15.5 225.8
6 03 07.22 +45 53.4 0.805 0.549 167.6/ 66 32.6 95.2 12.9 +14.7 223.5
7 03 22.19 +46 57.8 0.824 0.535 161.5/ 70 31.7 94.2 12.9 +13.8 221.4
8 03 37.26 +47 49.6 0.845 0.521 155.2/ 74 30.9 92.9 12.8 +12.8 219.5
9 03 52.26 +48 29.0 0.867 0.509 148.9/ 78 30.1 91.3 12.8 +11.8 217.7
10 04 07.05 +48 56.3 0.891 0.497 142.7/ 82 29.3 89.4 12.7 +10.7 216.1
11 04 21.48 +49 12.2 0.916 0.486 136.7/ 87 28.6 87.1 12.7 +9.6 214.7
12 04 35.43 +49 17.3 0.942 0.477 130.8/ 91 27.9 84.7 12.7 +8.5 213.4
13 04 48.79 +49 12.6 0.969 0.468 125.3/ 95 27.2 81.9 12.6 +7.4 212.3
14 05 01.47 +48 58.9 0.998 0.461 120.1/ 99 26.4 79.0 12.6 +6.3 211.4
15 05 13.42 +48 37.2 1.027 0.455 115.2/103 25.7 75.8 12.6 +5.2 210.6
16 05 24.62 +48 08.4 1.056 0.450 110.6/107 25.0 72.5 12.7 +4.0 209.9
17 05 35.06 +47 33.6 1.086 0.447 106.4/111 24.3 69.1 12.7 +2.9 209.4
18 05 44.73 +46 53.6 1.116 0.445 102.4/115 23.5 65.5 12.7 +1.8 209.0
19 05 53.68 +46 09.2 1.147 0.445 98.8/118 22.7 61.9 12.8 +0.7 208.7
20 06 01.93 +45 21.3 1.177 0.446 95.4/122 21.9 58.3 12.8 -0.3 208.6
21 06 09.54 +44 30.5 1.208 0.449 92.2/125 21.1 54.7 12.9 -1.4 208.5
22 06 16.53 +43 37.4 1.238 0.453 89.3/127 20.3 51.1 13.0 -2.4 208.6
23 06 22.98 +42 42.6 1.267 0.458 86.5/130 19.5 47.6 13.1 -3.4 208.7
24 06 28.91 +41 46.6 1.297 0.465 83.8/132 18.6 44.2 13.2 -4.3 209.0
25 06 34.39 +40 49.9 1.326 0.473 81.3/134 17.8 40.9 13.4 -5.3 209.3
26 06 39.45 +39 52.7 1.354 0.483 79.0/136 16.9 37.7 13.5 -6.2 209.7
27 06 44.15 +38 55.5 1.382 0.493 76.7/138 16.0 34.7 13.6 -7.0 210.1
28 06 48.50 +37 58.4 1.410 0.504 74.5/139 15.2 31.8 13.8 -7.8 210.6
29 06 52.56 +37 01.6 1.436 0.516 72.5/141 14.3 29.1 13.9 -8.6 211.2
30 06 56.35 +36 05.4 1.462 0.529 70.5/142 13.4 26.5 14.1 -9.3 211.8
July 1 06 59.91 +35 09.8 1.488 0.543 68.6/143 12.6 24.1 14.2 -10.0 212.5
m1 = 16.0 + 5 log △ + 10.0 log ｒ
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2008 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2008-05-17 06:03:52(JST).
◎C/2008 J4の軌道と予報位置
彗星は，６月上旬に明け方の低空で12等級まで明るくなるでしょう．
C/2008 J4 (McNaught)
T 2008 June 19.44060 TT Nakano
q 0.4448496 (2000.0) P Q
Peri. 93.70866 +0.00522527 -0.32839831
Node 289.10938 -0.33232097 +0.89028447
e 1.0 Incl. 88.39556 +0.94315188 +0.31551246
From 11 observations 2008 May 10-13.
2008/ α (2000) δ △ ｒ Daily motion Elong. Phase m1 天文薄明開始時
27h JST h m ｡ , AU AU , ｡ ｡ ｡ 等 h｡ A ｡
May 15 23 46.47 -00 01.0 0.884 0.929 126.7/ 33 58.3 67.7 15.4 +13.1 279.6
16 23 51.10 +01 45.0 0.864 0.911 132.9/ 33 57.5 69.4 15.3 +13.8 277.8
17 23 55.97 +03 36.0 0.845 0.893 139.2/ 33 56.6 71.1 15.1 +14.5 276.0
18 00 01.11 +05 32.1 0.827 0.875 145.7/ 34 55.7 72.9 15.0 +15.1 274.0
19 00 06.54 +07 33.3 0.810 0.856 152.2/ 34 54.7 74.7 14.9 +15.8 271.9
20 00 12.30 +09 39.3 0.794 0.838 158.7/ 34 53.7 76.6 14.7 +16.4 269.7
21 00 18.40 +11 50.1 0.780 0.820 165.1/ 35 52.5 78.5 14.6 +17.0 267.4
22 00 24.89 +14 05.3 0.767 0.802 171.2/ 35 51.3 80.4 14.5 +17.5 264.9
23 00 31.79 +16 24.4 0.755 0.784 176.9/ 36 50.1 82.3 14.3 +18.0 262.3
24 00 39.13 +18 46.7 0.746 0.766 182.1/ 37 48.8 84.1 14.2 +18.4 259.6
25 00 46.97 +21 11.6 0.738 0.748 186.6/ 38 47.4 86.0 14.1 +18.7 256.9
26 00 55.32 +23 37.9 0.732 0.730 190.4/ 39 46.0 87.7 14.0 +18.9 254.0
27 01 04.23 +26 04.7 0.728 0.712 193.2/ 40 44.6 89.4 13.8 +19.1 251.1
28 01 13.73 +28 30.5 0.726 0.695 195.0/ 42 43.2 91.0 13.7 +19.1 248.1
29 01 23.86 +30 54.2 0.726 0.677 195.7/ 44 41.9 92.4 13.6 +19.1 245.1
30 01 34.62 +33 14.1 0.729 0.660 195.4/ 46 40.5 93.7 13.5 +18.9 242.1
31 01 46.05 +35 28.9 0.733 0.643 194.0/ 48 39.2 94.7 13.4 +18.6 239.2
June 1 01 58.14 +37 37.0 0.740 0.626 191.5/ 50 37.9 95.5 13.3 +18.2 236.3
2 02 10.88 +39 37.0 0.749 0.610 188.1/ 53 36.7 96.0 13.2 +17.6 233.5
3 02 24.22 +41 27.6 0.760 0.594 183.9/ 56 35.6 96.3 13.1 +17.0 230.8
4 02 38.12 +43 07.8 0.773 0.578 179.0/ 59 34.5 96.2 13.1 +16.3 228.2
5 02 52.49 +44 36.7 0.788 0.563 173.5/ 62 33.5 95.9 13.0 +15.5 225.8
6 03 07.22 +45 53.4 0.805 0.549 167.6/ 66 32.6 95.2 12.9 +14.7 223.5
7 03 22.19 +46 57.8 0.824 0.535 161.5/ 70 31.7 94.2 12.9 +13.8 221.4
8 03 37.26 +47 49.6 0.845 0.521 155.2/ 74 30.9 92.9 12.8 +12.8 219.5
9 03 52.26 +48 29.0 0.867 0.509 148.9/ 78 30.1 91.3 12.8 +11.8 217.7
10 04 07.05 +48 56.3 0.891 0.497 142.7/ 82 29.3 89.4 12.7 +10.7 216.1
11 04 21.48 +49 12.2 0.916 0.486 136.7/ 87 28.6 87.1 12.7 +9.6 214.7
12 04 35.43 +49 17.3 0.942 0.477 130.8/ 91 27.9 84.7 12.7 +8.5 213.4
13 04 48.79 +49 12.6 0.969 0.468 125.3/ 95 27.2 81.9 12.6 +7.4 212.3
14 05 01.47 +48 58.9 0.998 0.461 120.1/ 99 26.4 79.0 12.6 +6.3 211.4
15 05 13.42 +48 37.2 1.027 0.455 115.2/103 25.7 75.8 12.6 +5.2 210.6
16 05 24.62 +48 08.4 1.056 0.450 110.6/107 25.0 72.5 12.7 +4.0 209.9
17 05 35.06 +47 33.6 1.086 0.447 106.4/111 24.3 69.1 12.7 +2.9 209.4
18 05 44.73 +46 53.6 1.116 0.445 102.4/115 23.5 65.5 12.7 +1.8 209.0
19 05 53.68 +46 09.2 1.147 0.445 98.8/118 22.7 61.9 12.8 +0.7 208.7
20 06 01.93 +45 21.3 1.177 0.446 95.4/122 21.9 58.3 12.8 -0.3 208.6
21 06 09.54 +44 30.5 1.208 0.449 92.2/125 21.1 54.7 12.9 -1.4 208.5
22 06 16.53 +43 37.4 1.238 0.453 89.3/127 20.3 51.1 13.0 -2.4 208.6
23 06 22.98 +42 42.6 1.267 0.458 86.5/130 19.5 47.6 13.1 -3.4 208.7
24 06 28.91 +41 46.6 1.297 0.465 83.8/132 18.6 44.2 13.2 -4.3 209.0
25 06 34.39 +40 49.9 1.326 0.473 81.3/134 17.8 40.9 13.4 -5.3 209.3
26 06 39.45 +39 52.7 1.354 0.483 79.0/136 16.9 37.7 13.5 -6.2 209.7
27 06 44.15 +38 55.5 1.382 0.493 76.7/138 16.0 34.7 13.6 -7.0 210.1
28 06 48.50 +37 58.4 1.410 0.504 74.5/139 15.2 31.8 13.8 -7.8 210.6
29 06 52.56 +37 01.6 1.436 0.516 72.5/141 14.3 29.1 13.9 -8.6 211.2
30 06 56.35 +36 05.4 1.462 0.529 70.5/142 13.4 26.5 14.1 -9.3 211.8
July 1 06 59.91 +35 09.8 1.488 0.543 68.6/143 12.6 24.1 14.2 -10.0 212.5
m1 = 16.0 + 5 log △ + 10.0 log ｒ
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2008 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2008-05-17 06:03:52(JST).
戻ります。