C/2004 F4 (Bradfield)
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
T 2004 Apr. 17.09009 TT Nakano
q 0.1682648 (2000.0) P Q
z +0.0041940 Peri. 332.78576 -0.79294844 -0.06301237
+/-0.0000133 Node 222.77823 -0.25279564 -0.87096217
e 0.9992943 Incl. 63.16463 -0.55437093 +0.48729287
From 232 observations 2004 Apr. 23-Sept. 17, mean residual 0".65.
(1/a)org.= +0.005133, (1/a)fut.= +0.004211 (+/-0.000013), Q= 6.
Residuals in seconds of arc
2004/ 040517 945 0.2+ 1.9+ 040607 J93 1.3+ 0.9+
040423 349 (2.7- 0.2+) 040517 945 0.3+ 2.0+ 040607 J93 0.7+ 0.9+
040423 349 0.4- 0.2- 040518 557 0.1+ 0.4- 040612 A32 0.6- 0.8+
040423 349 2.0- 0.0 040518 557 0.2+ 0.5- 040613 213 1.8- 0.5-
040423 349 (2.8- 0.9+) 040518 557 0.2+ 0.5- 040613 349 0.0 0.0
040423 349 1.9- 0.6+ 040518 138 0.2- 0.3- 040613 349 0.1- 0.1+
040424 204 1.1+ 0.3- 040518 557 0.2+ 0.6- 040613 349 0.1- 0.2-
040424 204 1.6+ 0.1- 040518 557 0.1+ 0.4- 040613 372 0.2+ 0.2+
040424 204 1.9+ 0.8- 040518 557 0.1- 0.4- 040613 D74 0.5- 0.7+
040424 213 0.2- 0.3- 040518 138 1.1- 0.0 040613 D74 (0.2- 7.5+)
040424 213 (3.0- 0.4+) 040518 138 0.4- 0.0 040613 A54 0.7+ 0.4+
040424 349 0.1- 0.2- 040520 945 0.7+ 1.2+ 040613 A54 (2.1- 2.0+)
040424 349 0.1+ 0.2+ 040520 945 0.7+ 1.1+ 040614 349 0.3- 0.4-
040424 349 0.3+ 0.0 040520 945 0.8+ 1.0+ 040614 349 0.2- 0.5-
040424 349 0.4+ 0.1- 040520 945 0.6+ 1.1+ 040614 349 0.6- 0.4-
040424 D70 0.5+ 0.9+ 040520 945 0.4+ 1.2+ 040614 372 0.5- 1.4+
040424 D70 (2.2+ 2.6+) 040523 204 0.5+ 1.3- 040616 D83 0.1+ 0.2-
040424 D70 0.4+ 1.2- 040523 204 0.3+ 0.1- 040616 D83 0.6- 0.2+
040425 204 (0.5- 2.6+) 040523 204 0.1+ 0.1- 040616 D83 0.1+ 0.5-
040425 204 0.8+ 0.1- 040523 J95 0.9- 0.9+ 040617 J93 (0.0 3.7-)
040425 204 0.4+ 0.6- 040523 J95 0.4- 0.2- 040617 J93 (2.6- 0.7-)
040425 204 0.2+ 0.6- 040523 J95 0.9- 0.3- 040617 J93 0.4- 1.0+
040425 J76 (3.2- 1.3+) 040523 D74 0.8+ 0.2+ 040618 461 0.1+ 0.1-
040425 J76 (2.8- 0.7+) 040523 D74 1.2+ 0.0 040618 461 0.5+ 0.2-
040425 J76 (0.3- 2.2+) 040524 349 0.0 0.4- 040618 461 0.3+ 0.1-
040425 349 0.3- 0.0 040524 349 0.3- 0.5- 040621 372 1.1- 0.9+
040425 349 0.5- 0.3+ 040524 349 0.3- 0.2- 040622 461 0.2- 0.2+
040425 349 0.3- 0.5+ 040524 372 1.0+ 0.1+ 040622 461 0.5+ 0.0
040425 349 0.3- 0.1- 040525 349 0.5- 0.6- 040622 461 0.3- 0.0
040428 235 0.7+ 1.2- 040525 349 0.0 0.0 040622 461 0.2+ 0.1-
040428 355 0.0 0.3+ 040525 349 0.2- 0.1- 040622 461 0.1- 0.2-
040428 355 0.2+ 0.6+ 040525 379 0.7+ 0.7+ 040623 349 0.6+ 0.8-
040428 355 0.0 0.4+ 040525 379 0.9+ 0.1+ 040623 349 0.2+ 0.7-
040428 349 0.3- 0.3+ 040525 360 0.4+ 0.4- 040624 704 0.1- 0.9-
040428 340 0.1- 0.1+ 040525 360 0.5+ 0.5- 040624 704 0.2+ 1.0-
040428 349 0.3- 0.0 040525 360 0.2+ 0.6- 040624 704 0.0 0.5-
040428 349 0.7- 0.1+ 040528 349 0.2- 0.9- 040624 704 0.4- 0.2-
040428 D70 0.9- 0.2+ 040528 349 0.6- 0.7- 040626 A18 0.1- 0.3-
040428 349 0.7- 0.5+ 040528 349 0.6- 0.7- 040626 213 0.6+ 1.7-
040428 340 0.8+ 0.3+ 040528 349 0.2- 0.4- 040626 213 (1.5+ 2.1-)
040428 340 0.8+ 0.4- 040529 A54 0.7+ 1.1+ 040626 A46 0.4+ 0.5+
040428 D70 0.2- 0.8- 040529 A54 0.1+ 0.3- 040626 A46 0.1+ 0.9+
040428 D70 0.1- 0.4- 040529 A54 0.1+ 0.0 040626 A46 0.7- 2.0+
040428 D70 0.2- 0.7+ 040529 048 0.3- 0.9- 040626 A46 0.5- 2.0+
040429 355 0.7- 0.2+ 040529 048 0.0 0.8- 040626 A46 0.5- 1.4+
040429 355 0.2+ 0.6+ 040529 A32 0.2- 0.1- 040626 A46 (1.3- 2.4+)
040429 355 0.5- 1.1+ 040529 048 0.1- 0.4- 040627 461 0.6+ 0.5-
040429 349 0.4- 0.2+ 040529 048 0.4- 0.1+ 040627 461 0.7+ 0.2-
040429 349 0.5- 0.4+ 040529 048 0.7- 0.1+ 040627 461 0.5+ 0.0
040429 349 0.7- 0.4+ 040530 048 0.7- 0.2- 040627 461 0.3+ 0.5-
040429 349 0.6- 0.4+ 040530 048 0.3- 0.0 040627 461 0.2+ 0.3-
040510 349 0.2+ 0.2- 040530 048 0.3- 0.1- 040627 461 0.3+ 0.1-
040510 349 0.0 0.0 040530 048 0.8- 0.1- 040629 A32 (0.7+ 2.3-)
040510 349 0.1+ 0.2- 040530 048 0.6- 0.6+ 040629 A32 0.4+ 0.7-
040510 349 0.2+ 0.2- 040530 A54 0.1+ 0.8- 040630 360 1.0+ 0.0
040511 379 0.0 0.1+ 040530 A54 0.1+ 2.0- 040630 360 0.3+ 0.0
040511 379 0.6+ 0.6+ 040530 A54 1.0+ 1.2- 040630 360 0.3+ 0.1-
040511 379 0.2- 0.9+ 040530 A54 1.1+ 1.6- 040707 785 1.7+ 0.6+
040512 557 0.3+ 0.7- 040530 A54 1.2+ 1.4- 040707 785 0.5- 1.0-
040512 557 0.2+ 0.4- 040530 J76 0.3- 0.5+ 040710 213 0.7- 0.3+
040512 557 0.4+ 0.6- 040530 J76 0.1- 0.5+ 040710 130 0.5+ 0.3+
040512 557 0.4+ 0.6- 040530 J76 0.5- 0.7- 040714 561 0.0 0.7-
040512 557 0.3+ 0.5- 040531 945 0.9- 0.3- 040714 213 1.3+ 1.1+
040512 557 0.1+ 0.4- 040531 945 0.6- 0.1- 040714 561 1.6- 1.9+
040514 349 0.2- 0.3- 040531 945 0.2+ 0.0 040714 561 0.6- 0.4+
040514 349 0.4- 0.0 040531 945 0.7+ 0.1+ 040716 D74 0.9+ 0.3-
040514 349 0.2- 0.0 040601 349 0.5- 0.3- 040716 D74 0.2+ 1.7-
040514 349 0.3- 0.1- 040601 349 0.2- 0.1+ 040717 215 0.6+ 0.7+
040514 372 0.5+ 0.4+ 040601 349 0.3- 0.1+ 040717 215 0.2+ 1.0+
040515 J87 0.2- 0.0 040601 349 0.5- 0.3- 040722 213 0.2- 0.3+
040515 J87 0.3- 0.6- 040602 A32 0.6+ 1.9+ 040722 213 0.1- 0.6+
040515 J87 0.5- 0.0 040603 349 0.5- 0.2- 040722 213 0.1- 0.8+
040515 213 0.1+ 0.4- 040603 349 0.3- 0.1- 040723 461 0.4- 0.8+
040515 213 0.0 0.4- 040603 349 0.1- 0.1- 040723 461 0.2+ 0.7+
040515 213 0.1+ 0.2- 040603 349 0.3- 0.1- 040723 461 0.0 0.5+
040516 J76 0.8+ 0.4- 040603 355 0.4- 0.3- 040808 104 0.6- 0.7+
040516 A03 0.0 0.3- 040603 355 0.9- 0.2- 040808 104 (0.0 2.7+)
040516 A03 0.3+ 0.2- 040603 355 1.2- 0.2- 040808 104 (0.8+ 2.7+)
040516 A03 0.5+ 0.1- 040604 349 0.2- 0.5- 040813 442 (2.1+ 1.3+)
040516 J76 0.1+ 0.3- 040604 349 0.2- 0.5- 040824 442 1.6- 1.6-
040516 J76 0.1+ 0.4- 040604 349 0.2- 0.5- 040901 J95 0.4+ 1.5-
040517 945 0.1- 2.0+ 040604 349 0.2- 0.0 040901 J95 0.3+ 0.8+
040517 945 0.0 1.8+ 040606 170 (2.7- 1.4+) 040917 118 0.1- 0.1-
040517 945 0.1+ 1.9+ 040607 J93 0.6+ 0.3+ 040917 118 1.5+ 0.4-
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-10-04 01:08:29(JST).
C/2004 F4 (Bradfield)
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
T 2004 Apr. 17.09007 TT Nakano
q 0.1682622 (2000.0) P Q
z +0.0042237 Peri. 332.78510 -0.79294888 -0.06302254
+/-0.0000153 Node 222.77810 -0.25278388 -0.87096517
e 0.9992893 Incl. 63.16459 -0.55437566 +0.48728619
From 225 observations 2004 Apr. 23-Aug. 8, mean residual 0".62.
(1/a)org.= +0.005163, (1/a)fut.= +0.004241 (+/-0.000015), Q= 6.
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-09-05 02:52:38(JST).
C/2004 F4 (Bradfield)
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
T 2004 Apr. 17.09007 TT Nakano
q 0.1682637 (2000.0) P Q
z +0.0042203 Peri. 332.78533 -0.79294934 -0.06301992
+/-0.0000156 Node 222.77807 -0.25278695 -0.87096401
e 0.9992899 Incl. 63.16461 -0.55437361 +0.48728860
From 218 observations 2004 Apr. 23-July 23, mean residual 0".61.
(1/a)org.= +0.005159, (1/a)fut.= +0.004237 (+/-0.000016), Q= 6.
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-08-04 23:10:27(JST).
---------------------------------------------------------------------------
Syuichi Nakano, P. O. Box No. 32, Sumoto, Hyogo-Ken, 656-8691 Japan
An Associate of the Minor Planet Center snakano@cfa.harvard.edu
http://www.oaa.gr.jp/ 08-04-2004, 23:27:51 +09:00 (JST)
OS/2 and Digital UNIX in Operating Systems
**** Please reply ONLY to nakano@oaa.gr.jp ****
C/2004 F4 (Bradfield)
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
T 2004 Apr. 17.09008 TT Nakano
q 0.1682686 (2000.0) P Q
z +0.0041952 Peri. 332.78635 -0.79295060 -0.06300651
+/-0.0000203 Node 222.77803 -0.25280205 -0.87095929
e 0.9992941 Incl. 63.16464 -0.55436492 +0.48729877
P 3680 years
From 191 observations 2004 Apr. 23-June 30, mean residual 0".58.
(1/a)org.= +0.005134, (1/a)fut.= +0.004212 (+/-0.000020), Q= 5.
Residuals in seconds of arc
2004/ 040515 J87 0.2- 0.7- 040601 349 0.2- 0.1+
040423 349 (2.8- 0.3+) 040515 J87 0.4- 0.1- 040601 349 0.3- 0.2+
040423 349 0.5- 0.1- 040515 213 0.2+ 0.5- 040601 349 0.5- 0.3-
040423 349 2.0- 0.1+ 040515 213 0.1+ 0.5- 040602 A32 0.6+ 1.9+
040423 349 (2.8- 1.0+) 040515 213 0.1+ 0.3- 040603 349 0.5- 0.1-
040423 349 2.0- 0.7+ 040516 J76 0.8+ 0.4- 040603 349 0.3- 0.0
040424 204 1.0+ 0.3- 040516 A03 0.1+ 0.4- 040603 349 0.1- 0.1-
040424 204 1.5+ 0.0 040516 A03 0.3+ 0.3- 040603 349 0.3- 0.1-
040424 204 1.8+ 0.8- 040516 A03 0.6+ 0.2- 040603 355 0.4- 0.2-
040424 213 0.3- 0.2- 040516 J76 0.2+ 0.4- 040603 355 0.9- 0.2-
040424 213 (3.0- 0.4+) 040516 J76 0.2+ 0.5- 040603 355 1.2- 0.1-
040424 349 0.1- 0.2- 040517 945 0.0 1.9+ 040604 349 0.2- 0.4-
040424 349 0.1+ 0.2+ 040517 945 0.1+ 1.8+ 040604 349 0.2- 0.4-
040424 349 0.3+ 0.0 040517 945 0.2+ 1.9+ 040604 349 0.2- 0.5-
040424 349 0.3+ 0.0 040517 945 0.2+ 1.9+ 040604 349 0.2- 0.0
040424 D70 0.4+ 0.9+ 040517 945 0.4+ 1.9+ 040606 170 (2.7- 1.5+)
040424 D70 (2.1+ 2.7+) 040518 557 0.2+ 0.4- 040607 J93 0.6+ 0.3+
040424 D70 0.3+ 1.1- 040518 557 0.2+ 0.5- 040607 J93 1.3+ 1.0+
040425 204 (0.5- 2.7+) 040518 557 0.2+ 0.5- 040607 J93 0.7+ 0.9+
040425 204 0.7+ 0.1- 040518 138 0.1- 0.3- 040612 A32 0.6- 0.9+
040425 204 0.4+ 0.6- 040518 557 0.3+ 0.6- 040613 213 1.8- 0.4-
040425 204 0.2+ 0.6- 040518 557 0.2+ 0.5- 040613 349 0.1- 0.1+
040425 J76 (3.2- 1.4+) 040518 557 0.0 0.4- 040613 349 0.2- 0.2+
040425 J76 (2.8- 0.8+) 040518 138 1.0- 0.0 040613 349 0.2- 0.1-
040425 J76 (0.3- 2.2+) 040518 138 0.4- 0.1- 040613 D74 0.6- 0.8+
040425 349 0.3- 0.0 040520 945 0.8+ 1.1+ 040613 D74 (0.3- 7.6+)
040425 349 0.5- 0.3+ 040520 945 0.7+ 1.1+ 040613 A54 0.6+ 0.5+
040425 349 0.3- 0.5+ 040520 945 0.8+ 0.9+ 040613 A54 (2.2- 2.1+)
040425 349 0.3- 0.1- 040520 945 0.6+ 1.0+ 040614 349 0.3- 0.3-
040428 235 0.7+ 1.2- 040520 945 0.4+ 1.1+ 040614 349 0.3- 0.4-
040428 355 0.1+ 0.2+ 040523 J95 0.9- 0.9+ 040614 349 0.6- 0.2-
040428 355 0.2+ 0.6+ 040523 J95 0.4- 0.3- 040616 D83 0.1+ 0.1-
040428 355 0.0 0.3+ 040523 J95 0.8- 0.4- 040616 D83 0.6- 0.3+
040428 349 0.3- 0.2+ 040523 D74 0.8+ 0.2+ 040616 D83 0.0 0.4-
040428 340 0.0 0.0 040523 D74 1.3+ 0.0 040617 J93 (0.1- 3.6-)
040428 349 0.3- 0.1- 040524 349 0.0 0.4- 040617 J93 (2.6- 0.6-)
040428 349 0.6- 0.0 040524 349 0.2- 0.5- 040617 J93 0.4- 1.2+
040428 D70 0.8- 0.1+ 040524 349 0.3- 0.3- 040618 461 0.1+ 0.1+
040428 349 0.6- 0.4+ 040524 372 1.0+ 0.1+ 040618 461 0.4+ 0.0
040428 340 0.8+ 0.3+ 040525 349 0.5- 0.6- 040618 461 0.2+ 0.0
040428 340 0.8+ 0.4- 040525 349 0.0 0.0 040622 461 0.2- 0.4+
040428 D70 0.2- 0.8- 040525 349 0.2- 0.2- 040622 461 0.4+ 0.1+
040428 D70 0.0 0.5- 040525 379 0.8+ 0.7+ 040622 461 0.4- 0.2+
040428 D70 0.1- 0.6+ 040525 379 0.9+ 0.0 040622 461 0.2+ 0.0
040429 355 0.6- 0.1+ 040525 360 0.4+ 0.4- 040622 461 0.2- 0.0
040429 355 0.3+ 0.5+ 040525 360 0.5+ 0.5- 040624 704 0.1- 0.7-
040429 355 0.4- 1.0+ 040525 360 0.2+ 0.6- 040624 704 0.2+ 0.8-
040429 349 0.4- 0.1+ 040528 349 0.2- 0.9- 040624 704 0.1- 0.3-
040429 349 0.4- 0.3+ 040528 349 0.5- 0.7- 040624 704 0.4- 0.0
040429 349 0.6- 0.3+ 040528 349 0.6- 0.7- 040626 A18 0.1- 0.1-
040429 349 0.5- 0.3+ 040528 349 0.2- 0.4- 040626 213 0.5+ 1.5-
040510 349 0.3+ 0.3- 040529 048 0.3- 0.9- 040626 213 1.4+ 1.9-
040510 349 0.1+ 0.1- 040529 048 0.0 0.7- 040626 A46 0.3+ 0.7+
040510 349 0.2+ 0.3- 040529 A32 0.2- 0.1- 040626 A46 0.0 1.1+
040510 349 0.3+ 0.3- 040529 048 0.1- 0.4- 040626 A46 (0.8- 2.2+)
040511 379 0.1+ 0.0 040529 048 0.3- 0.1+ 040626 A46 (0.5- 2.2+)
040511 379 0.7+ 0.5+ 040529 048 0.6- 0.1+ 040626 A46 0.5- 1.6+
040511 379 0.1- 0.8+ 040530 048 0.7- 0.2- 040626 A46 (1.4- 2.6+)
040512 557 0.3+ 0.8- 040530 048 0.3- 0.0 040627 461 0.5+ 0.2-
040512 557 0.2+ 0.5- 040530 048 0.3- 0.1- 040627 461 0.6+ 0.0
040512 557 0.5+ 0.7- 040530 048 0.7- 0.1- 040627 461 0.4+ 0.2+
040512 557 0.5+ 0.7- 040530 048 0.6- 0.6+ 040627 461 0.3+ 0.3-
040512 557 0.3+ 0.6- 040530 J76 0.3- 0.5+ 040627 461 0.1+ 0.1-
040512 557 0.2+ 0.5- 040530 J76 0.1- 0.5+ 040627 461 0.2+ 0.1+
040514 349 0.2- 0.4- 040530 J76 0.5- 0.6- 040629 A32 (0.6+ 2.1-)
040514 349 0.3- 0.1- 040531 945 0.9- 0.3- 040629 A32 0.4+ 0.5-
040514 349 0.1- 0.1- 040531 945 0.6- 0.1- 040630 360 1.0+ 0.2+
040514 349 0.3- 0.1- 040531 945 0.2+ 0.0 040630 360 0.3+ 0.3+
040514 372 0.6+ 0.3+ 040531 945 0.7+ 0.2+ 040630 360 0.2+ 0.2+
040515 J87 0.1- 0.1- 040601 349 0.5- 0.3-
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-07-03 22:20:30(JST).
C/2004 F4 (Bradfield)
T 2004 Apr. 17.09008 TT Nakano
q 0.1682733 (2000.0) P Q
z +0.0041918 Peri. 332.78720 -0.79295179 -0.06299549
+/-0.0000900 Node 222.77798 -0.25281456 -0.87095523
e 0.9992946 Incl. 63.16468 -0.55435751 +0.48730745
P 3685 years
From 104 observations 2004 Apr. 23-2004 May 25.
NAKANO
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(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-06-02 06:08:27(JST).
◎C/2004 F4の軌道と予報位置です
上尾の門田健一氏は，５月11日朝にこの彗星の観測に成功しました．氏の
CCD全光度は，8.6等でした．なお，まだ，不確かですが，彗星の軌道長半径
は，ａ= 230 AUほどで，彗星は，周期が3500年ほどの長円軌道を動いている
ようです．
C/2004 F4 (Bradfield)
T 2004 Apr. 17.08996 TT Nakano
q 0.1682825 (2000.0) P Q
z +0.0043089 Peri. 332.78782 -0.79296171 -0.06299799
+/-0.0003286 Node 222.77686 -0.25280949 -0.87095188
e 0.9992749 Incl. 63.16460 -0.55434563 +0.48731311
From 47 observations 2004 Apr. 23-May 10.
27h JST R.A.(2000) Decl. Delta r Mot./PA Elong. Mag. PA/Tail Ast
ronomical
h m ｡ , , ｡ ｡ m1 ｡ ｡
twilight
May 10 01 03.09 +41 06.7 1.311 0.773 36.6/ 14 36.0 8.5 301/6.10 +18
.3 232.0
11 01 03.89 +41 42.1 1.332 0.797 35.3/ 15 36.6 8.6 300/5.90 +18
.9 231.7
12 01 04.72 +42 16.2 1.352 0.821 34.2/ 16 37.2 8.8 300/5.72 +19
.5 231.4
13 01 05.56 +42 49.1 1.372 0.845 33.1/ 16 37.8 9.0 299/5.56 +20
.0 231.1
14 01 06.42 +43 20.9 1.392 0.868 32.2/ 17 38.4 9.1 298/5.40 +20
.6 230.8
15 01 07.29 +43 51.6 1.412 0.892 31.3/ 18 39.0 9.3 298/5.25 +21
.2 230.5
16 01 08.17 +44 21.4 1.430 0.915 30.4/ 18 39.5 9.4 297/5.11 +21
.7 230.2
17 01 09.06 +44 50.4 1.449 0.938 29.7/ 18 40.1 9.5 297/4.98 +22
.2 229.9
18 01 09.94 +45 18.5 1.467 0.960 28.9/ 19 40.6 9.7 296/4.86 +22
.8 229.6
19 01 10.83 +45 45.9 1.485 0.983 28.2/ 19 41.1 9.8 296/4.74 +23
.3 229.4
20 01 11.71 +46 12.7 1.503 1.005 27.6/ 19 41.7 9.9 295/4.63 +23
.8 229.1
21 01 12.59 +46 38.7 1.520 1.027 27.0/ 19 42.2 10.0 295/4.53 +24
.3 228.9
22 01 13.45 +47 04.2 1.537 1.049 26.4/ 19 42.7 10.1 294/4.44 +24
.8 228.6
23 01 14.31 +47 29.1 1.554 1.070 25.9/ 19 43.2 10.3 293/4.34 +25
.3 228.4
24 01 15.16 +47 53.5 1.570 1.092 25.3/ 19 43.7 10.4 293/4.26 +25
.8 228.2
25 01 15.99 +48 17.5 1.586 1.113 24.8/ 19 44.2 10.5 292/4.17 +26
.4 227.9
26 01 16.81 +48 40.9 1.601 1.134 24.4/ 19 44.8 10.6 292/4.10 +26
.9 227.7
27 01 17.62 +49 04.0 1.617 1.155 23.9/ 19 45.3 10.7 291/4.02 +27
.4 227.5
28 01 18.41 +49 26.6 1.632 1.176 23.5/ 19 45.8 10.8 290/3.95 +27
.9 227.3
29 01 19.18 +49 48.8 1.646 1.197 23.1/ 18 46.3 10.9 290/3.88 +28
.4 227.1
30 01 19.93 +50 10.7 1.661 1.217 22.7/ 18 46.8 11.0 289/3.82 +28
.9 226.9
31 01 20.67 +50 32.3 1.675 1.238 22.3/ 18 47.3 11.0 288/3.76 +29
.4 226.6
June 1 01 21.38 +50 53.6 1.689 1.258 21.9/ 17 47.8 11.1 288/3.70 +29
.9 226.4
2 01 22.07 +51 14.5 1.703 1.278 21.6/ 17 48.4 11.2 287/3.64 +30
.4 226.2
3 01 22.74 +51 35.2 1.716 1.298 21.3/ 16 48.9 11.3 287/3.59 +30
.9 226.0
4 01 23.39 +51 55.6 1.729 1.318 20.9/ 16 49.4 11.4 286/3.54 +31
.5 225.8
5 01 24.01 +52 15.7 1.742 1.337 20.6/ 15 49.9 11.5 285/3.49 +32
.0 225.6
6 01 24.61 +52 35.6 1.755 1.357 20.4/ 15 50.5 11.5 285/3.44 +32
.5 225.4
7 01 25.18 +52 55.3 1.767 1.376 20.1/ 14 51.0 11.6 284/3.40 +33
.0 225.2
8 01 25.72 +53 14.8 1.779 1.396 19.8/ 13 51.5 11.7 283/3.35 +33
.6 224.9
9 01 26.24 +53 34.1 1.791 1.415 19.6/ 13 52.1 11.8 283/3.31 +34
.1 224.7
10 01 26.72 +53 53.1 1.802 1.434 19.3/ 12 52.6 11.8 282/3.27 +34
.6 224.5
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-05-11 06:52:40(JST).
◎C/2004 F4の軌道と予報位置です
上尾の門田健一氏は，４月24日朝，この彗星の観測に成功しました．
氏の CCD全光度は，3.5等です．今朝，各地で取られた画像では，長い
尾が伸びているようです．横にあるC/2002 T7とともにながめてくださ
い．なお，軌道には，摂動が入っていますが，これは，観測にWeighting
できるプログラムが摂動用しかないためです．
C/2004 F4 (Bradfield)
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
T 2004 Apr. 17.09387 TT Nakano
q 0.1681334 (2000.0) P Q
Peri. 332.80765 -0.79283901 -0.06251957
Node 222.79556 -0.25334598 -0.87088764
e 1.0 Incl. 63.16390 -0.55427621 +0.48748951
From 69 observations 2004 Mar. 23-Apr. 24, weighting mean residual 1".73.
28h JST R.A.(2000) Decl. Delta r Mot./PA Elong. P Mag. PA/Ta
il Nautical twilight
h m o , , o o o m1 o o
h o A o
Apr. 25 01 02.30 +26 57.5 0.954 0.370 92.8/348 21.5 87.2 4.4 305/11
.7 +9.8 243.8
26 01 00.85 +28 28.3 0.980 0.399 83.8/351 23.1 82.2 4.8 305/11
.1 +11.4 243.0
27 00 59.81 +29 51.1 1.005 0.428 76.3/353 24.6 77.9 5.1 305/10
.6 +12.8 242.3
28 00 59.10 +31 06.8 1.031 0.457 70.0/355 25.9 74.1 5.5 305/10
.0 +14.1 241.7
29 00 58.67 +32 16.6 1.057 0.486 64.6/358 27.1 70.8 5.8 305/9.
55 +15.3 241.0
30 00 58.46 +33 21.1 1.082 0.514 60.0/360 28.2 67.9 6.1 305/9.
10 +16.4 240.4
May 1 00 58.45 +34 21.2 1.107 0.541 56.1/ 2 29.2 65.2 6.4 305/8.
67 +17.4 239.8
2 00 58.59 +35 17.3 1.131 0.569 52.7/ 4 30.1 62.9 6.6 304/8.
29 +18.3 239.3
3 00 58.87 +36 09.9 1.155 0.595 49.7/ 5 31.0 60.7 6.9 304/7.
93 +19.2 238.7
4 00 59.26 +36 59.4 1.179 0.622 47.1/ 7 31.8 58.8 7.1 303/7.
60 +20.0 238.2
5 00 59.74 +37 46.2 1.202 0.648 44.8/ 8 32.6 57.0 7.3 303/7.
30 +20.8 237.7
6 01 00.30 +38 30.5 1.225 0.674 42.8/ 10 33.4 55.4 7.5 303/7.
01 +21.5 237.3
7 01 00.93 +39 12.7 1.248 0.700 41.0/ 11 34.1 54.0 7.7 302/6.
76 +22.3 236.8
8 01 01.62 +39 52.9 1.270 0.725 39.3/ 12 34.8 52.6 7.9 302/6.
51 +22.9 236.4
9 01 02.35 +40 31.3 1.291 0.750 37.9/ 13 35.4 51.3 8.1 301/6.
29 +23.6 236.0
10 01 03.11 +41 08.2 1.313 0.774 36.5/ 14 36.1 50.2 8.3 301/6.
08 +24.2 235.6
11 01 03.91 +41 43.5 1.333 0.799 35.3/ 15 36.7 49.1 8.4 300/5.
89 +24.8 235.2
12 01 04.74 +42 17.6 1.354 0.823 34.1/ 16 37.3 48.1 8.6 300/5.
71 +25.4 234.8
13 01 05.58 +42 50.4 1.374 0.846 33.1/ 16 37.9 47.1 8.8 299/5.
54 +26.0 234.4
14 01 06.44 +43 22.2 1.394 0.870 32.1/ 17 38.4 46.2 8.9 298/5.
39 +26.6 234.1
15 01 07.31 +43 52.9 1.413 0.893 31.2/ 18 39.0 45.4 9.1 298/5.
24 +27.1 233.7
16 01 08.19 +44 22.7 1.432 0.916 30.4/ 18 39.5 44.6 9.2 297/5.
10 +27.7 233.4
17 01 09.07 +44 51.6 1.451 0.939 29.6/ 18 40.1 43.9 9.3 297/4.
97 +28.2 233.1
18 01 09.95 +45 19.7 1.469 0.962 28.9/ 19 40.6 43.2 9.5 296/4.
85 +28.7 232.8
19 01 10.84 +45 47.1 1.487 0.984 28.2/ 19 41.2 42.6 9.6 296/4.
73 +29.3 232.4
20 01 11.71 +46 13.8 1.504 1.006 27.6/ 19 41.7 42.0 9.7 295/4.
63 +29.8 232.1
21 01 12.59 +46 39.9 1.521 1.028 27.0/ 19 42.2 41.4 9.8 294/4.
52 +30.3 231.8
22 01 13.45 +47 05.4 1.538 1.050 26.4/ 19 42.7 40.8 9.9 294/4.
43 +30.8 231.5
23 01 14.31 +47 30.3 1.555 1.072 25.8/ 19 43.2 40.3 10.1 293/4.
34 +31.3 231.2
24 01 15.15 +47 54.7 1.571 1.093 25.3/ 19 43.8 39.8 10.2 293/4.
25 +31.8 230.9
25 01 15.98 +48 18.6 1.587 1.115 24.8/ 19 44.3 39.4 10.3 292/4.
17 +32.4 230.7
26 01 16.80 +48 42.0 1.603 1.136 24.3/ 19 44.8 38.9 10.4 292/4.
09 +32.9 230.4
27 01 17.60 +49 05.0 1.618 1.157 23.9/ 19 45.3 38.5 10.5 291/4.
01 +33.4 230.1
28 01 18.39 +49 27.7 1.633 1.178 23.5/ 18 45.8 38.1 10.6 290/3.
94 +33.9 229.8
29 01 19.16 +49 49.9 1.648 1.198 23.1/ 18 46.3 37.7 10.7 290/3.
88 +34.4 229.5
30 01 19.90 +50 11.8 1.662 1.219 22.7/ 18 46.8 37.4 10.8 289/3.
81 +34.9 229.2
31 01 20.63 +50 33.4 1.677 1.239 22.3/ 18 47.4 37.0 10.9 288/3.
75 +35.4 228.9
June 1 01 21.34 +50 54.6 1.690 1.260 21.9/ 17 47.9 36.7 10.9 288/3.
69 +35.9 228.7
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-04-25 01:32:34(JST).
C/2004 F4 (Bradfield)
T 2004 Apr. 17.08495 TT Nakano
q 0.1682855 (2000.0) P Q
Peri. 332.62421 -0.79240223 -0.06518944
Node 222.80786 -0.25080687 -0.87152504
e 1.0 Incl. 63.19179 -0.55605272 +0.48599839
From 62 observations 2004 Mar. 23-Apr. 20.
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-04-24 06:00:27(JST).
◎C/2004 F4の軌道と予報位置です
あえてブラッドフィ−ルドの発見観測を含めて軌道改良しました．
そろそろ見えてくるでしょう．残差は，角度の分です．なお，30ﾟほど
東にC/2002 T7が見えています．
C/2004 F4 (Bradfield)
T 2004 Apr. 17.08495 TT Nakano
q 0.1682855 (2000.0) P Q
Peri. 332.62421 -0.79240223 -0.06518944
Node 222.80786 -0.25080687 -0.87152504
e 1.0 Incl. 63.19179 -0.55605272 +0.48599839
From 62 observations 2004 Mar. 23-Apr. 20.
C/2004 F4（明け方の空） 地心 日心 日々運動量 太陽 位相角 尾の位
置角 薄暮開始時
28h JST 赤経 (2000.0) 赤緯 距離 距離 と位置角 離角 β 光度 尾の長
さ φ+35ﾟ A
h m ｡ , AU AU , ｡ ｡ ｡ m1 ｡ ｡
h｡ ｡
Apr. 20 01 19.47 +16 30.9 0.844 0.226 170.2/334 9.9 130.2 2.2 297/12
.1 -2.0 248.0
21 01 14.25 +19 03.9 0.861 0.253 150.2/337 12.8 118.2 2.7 301/13
.0 +1.0 247.1
22 01 10.06 +21 22.1 0.881 0.282 132.3/340 15.4 108.3 3.2 303/13
.1 +3.7 246.3
23 01 06.76 +23 26.2 0.904 0.311 116.9/343 17.7 100.0 3.7 304/12
.8 +6.0 245.4
24 01 04.20 +25 17.6 0.928 0.341 103.9/345 19.8 93.2 4.2 305/12
.3 +8.0 244.6
25 01 02.23 +26 58.2 0.953 0.370 93.2/348 21.6 87.3 4.6 305/11
.7 +9.8 243.8
26 01 00.77 +28 29.3 0.978 0.400 84.2/351 23.2 82.4 5.0 305/11
.2 +11.4 243.0
27 00 59.71 +29 52.3 1.004 0.429 76.6/353 24.6 78.0 5.3 305/10
.6 +12.9 242.3
28 00 58.98 +31 08.3 1.030 0.457 70.3/355 25.9 74.3 5.7 305/10
.1 +14.2 241.6
29 00 58.53 +32 18.3 1.055 0.486 64.9/358 27.1 71.0 6.0 305/9.
58 +15.4 241.0
30 00 58.31 +33 23.2 1.080 0.514 60.3/360 28.2 68.0 6.3 305/9.
12 +16.5 240.4
May 1 00 58.28 +34 23.4 1.105 0.542 56.3/ 2 29.2 65.4 6.6 305/8.
70 +17.5 239.8
2 00 58.41 +35 19.7 1.129 0.569 52.9/ 3 30.2 63.0 6.8 304/8.
31 +18.4 239.2
3 00 58.67 +36 12.6 1.153 0.596 49.9/ 5 31.1 60.9 7.1 304/7.
95 +19.3 238.7
4 00 59.05 +37 02.3 1.177 0.622 47.3/ 7 31.9 58.9 7.3 303/7.
62 +20.1 238.2
5 00 59.52 +37 49.3 1.200 0.648 45.0/ 8 32.7 57.2 7.5 303/7.
32 +20.9 237.7
6 01 00.07 +38 33.8 1.223 0.674 43.0/ 10 33.4 55.6 7.7 303/7.
04 +21.6 237.2
7 01 00.69 +39 16.2 1.246 0.700 41.1/ 11 34.2 54.1 7.9 302/6.
78 +22.3 236.8
8 01 01.36 +39 56.5 1.268 0.725 39.5/ 12 34.8 52.7 8.1 302/6.
54 +23.0 236.4
9 01 02.08 +40 35.2 1.289 0.750 38.0/ 13 35.5 51.4 8.3 301/6.
31 +23.7 235.9
10 01 02.84 +41 12.1 1.311 0.774 36.6/ 14 36.1 50.3 8.5 301/6.
10 +24.3 235.5
11 01 03.63 +41 47.7 1.331 0.799 35.4/ 15 36.8 49.2 8.6 300/5.
91 +24.9 235.1
12 01 04.44 +42 21.9 1.352 0.823 34.3/ 16 37.4 48.2 8.8 300/5.
73 +25.5 234.8
13 01 05.28 +42 54.9 1.372 0.846 33.2/ 16 37.9 47.2 9.0 299/5.
56 +26.1 234.4
14 01 06.13 +43 26.8 1.392 0.870 32.2/ 17 38.5 46.3 9.1 298/5.
40 +26.6 234.0
15 01 06.99 +43 57.6 1.411 0.893 31.3/ 17 39.1 45.5 9.3 298/5.
26 +27.2 233.7
16 01 07.86 +44 27.5 1.430 0.916 30.5/ 18 39.6 44.7 9.4 297/5.
12 +27.7 233.4
17 01 08.74 +44 56.6 1.448 0.939 29.7/ 18 40.2 44.0 9.5 297/4.
99 +28.3 233.0
18 01 09.61 +45 24.8 1.467 0.962 29.0/ 18 40.7 43.3 9.7 296/4.
86 +28.8 232.7
19 01 10.49 +45 52.4 1.485 0.984 28.3/ 19 41.2 42.7 9.8 296/4.
75 +29.4 232.4
20 01 11.36 +46 19.2 1.502 1.007 27.7/ 19 41.8 42.1 9.9 295/4.
64 +29.9 232.1
21 01 12.22 +46 45.4 1.519 1.029 27.0/ 19 42.3 41.5 10.0 294/4.
54 +30.4 231.8
22 01 13.08 +47 10.9 1.536 1.050 26.5/ 19 42.8 40.9 10.1 294/4.
44 +30.9 231.5
23 01 13.93 +47 36.0 1.553 1.072 25.9/ 19 43.3 40.4 10.3 293/4.
35 +31.4 231.2
24 01 14.76 +48 00.5 1.569 1.094 25.4/ 19 43.9 39.9 10.4 293/4.
26 +31.9 230.9
25 01 15.59 +48 24.5 1.585 1.115 24.9/ 19 44.4 39.5 10.5 292/4.
18 +32.4 230.6
26 01 16.40 +48 48.0 1.601 1.136 24.4/ 19 44.9 39.0 10.6 291/4.
10 +33.0 230.3
27 01 17.19 +49 11.2 1.616 1.157 24.0/ 18 45.4 38.6 10.7 291/4.
03 +33.5 230.0
28 01 17.97 +49 33.9 1.631 1.178 23.5/ 18 45.9 38.2 10.8 290/3.
95 +34.0 229.7
29 01 18.73 +49 56.2 1.646 1.198 23.1/ 18 46.4 37.8 10.9 290/3.
89 +34.5 229.4
30 01 19.48 +50 18.2 1.660 1.219 22.7/ 18 46.9 37.4 11.0 289/3.
82 +35.0 229.1
31 01 20.20 +50 39.9 1.674 1.239 22.3/ 17 47.5 37.1 11.1 288/3.
76 +35.5 228.8
June 1 01 20.90 +51 01.2 1.688 1.260 22.0/ 17 48.0 36.7 11.1 288/3.
70 +36.0 228.5
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-04-22 02:47:54(JST).
◎C/2004 F4の軌道と予報位置です
SOHOの観測が報告され，軌道を次のように改良しました．観測の残差は，
角度の分です．
C/2004 F4 (Bradfield)
T 2004 Apr. 17.01952 TT Nakano
q 0.1722160 (2000.0) P Q
Peri. 331.90871 -0.79550508 -0.07363595
Node 222.56869 -0.23537789 -0.87709037
e 1.0 Incl. 62.76100 -0.55836270 +0.47464748
From 19 observations 2004 Mar. 23-Apr. 16.
C/2004 F4（明け方の空） 地心 日心 日々運動量 太陽 尾の位置角
薄暮開始時
28h JST 赤経 (2000.0) 赤緯 距離 距離 と位置角 離角 光度 尾の長さ
φ+35ﾟ
h m ｡ , AU AU , ｡ ｡ m1 ｡ ｡ h
｡ A ｡
Apr. 15 01 55.71 +03 12.4 0.887 0.180 160.8/322 8.3 1.3 146/11.9 -19
.7 250.8
16 01 49.01 +05 18.3 0.856 0.172 192.4/323 5.5 1.0 158/9.24 -16
.6 250.7
17 01 41.28 +07 52.3 0.836 0.175 207.3/326 3.0 1.0 194/5.30 -13
.0 250.3
18 01 33.33 +10 43.0 0.826 0.187 204.4/328 3.6 1.3 263/6.03 -9
.2 249.7
19 01 25.93 +13 36.3 0.828 0.206 190.0/331 6.6 1.7 288/9.64 -5
.5 249.0
20 01 19.48 +16 21.8 0.837 0.230 171.0/333 9.8 2.2 296/12.0 -2
.1 248.1
21 01 14.11 +18 54.6 0.853 0.256 151.7/336 12.8 2.7 300/13.0 +1
.0 247.3
22 01 09.73 +21 13.1 0.872 0.284 134.1/339 15.4 3.2 302/13.2 +3
.6 246.4
23 01 06.22 +23 18.0 0.894 0.313 118.8/342 17.7 3.7 304/12.9 +6
.0 245.6
24 01 03.45 +25 10.6 0.917 0.342 105.9/344 19.8 4.2 304/12.5 +8
.1 244.8
25 01 01.28 +26 52.3 0.942 0.372 95.0/347 21.7 4.6 305/11.9 +10
.0 244.0
26 00 59.61 +28 24.7 0.966 0.401 85.8/349 23.3 5.0 305/11.4 +11
.6 243.2
27 00 58.36 +29 48.9 0.991 0.430 78.1/351 24.8 5.3 305/10.8 +13
.1 242.5
28 00 57.46 +31 06.2 1.016 0.458 71.7/354 26.2 5.6 305/10.3 +14
.4 241.9
29 00 56.84 +32 17.4 1.041 0.487 66.1/356 27.4 6.0 304/9.82 +15
.7 241.2
30 00 56.46 +33 23.4 1.066 0.514 61.4/358 28.5 6.3 304/9.35 +16
.8 240.6
May 1 00 56.28 +34 24.8 1.090 0.542 57.4/360 29.6 6.5 304/8.93 +17
.8 240.0
2 00 56.26 +35 22.1 1.115 0.569 53.8/ 2 30.6 6.8 303/8.53 +18
.8 239.4
3 00 56.39 +36 15.9 1.138 0.596 50.8/ 3 31.5 7.0 303/8.17 +19
.7 238.9
4 00 56.64 +37 06.6 1.162 0.622 48.1/ 5 32.3 7.3 303/7.83 +20
.5 238.4
5 00 56.99 +37 54.5 1.185 0.648 45.7/ 6 33.2 7.5 302/7.52 +21
.3 237.9
6 00 57.42 +38 40.0 1.207 0.674 43.6/ 8 33.9 7.7 302/7.23 +22
.1 237.4
7 00 57.92 +39 23.2 1.229 0.699 41.7/ 9 34.7 7.9 301/6.97 +22
.8 237.0
8 00 58.49 +40 04.3 1.251 0.724 40.0/ 10 35.4 8.1 301/6.72 +23
.5 236.5
9 00 59.10 +40 43.7 1.273 0.749 38.5/ 11 36.1 8.3 300/6.49 +24
.2 236.1
10 00 59.76 +41 21.5 1.294 0.774 37.1/ 12 36.7 8.4 300/6.28 +24
.9 235.7
11 01 00.45 +41 57.8 1.314 0.798 35.8/ 13 37.3 8.6 299/6.08 +25
.5 235.3
12 01 01.17 +42 32.7 1.334 0.822 34.7/ 14 38.0 8.8 299/5.89 +26
.1 234.9
13 01 01.92 +43 06.4 1.354 0.846 33.6/ 14 38.6 8.9 298/5.72 +26
.7 234.5
14 01 02.68 +43 38.9 1.374 0.869 32.6/ 15 39.2 9.1 298/5.56 +27
.3 234.1
15 01 03.46 +44 10.4 1.393 0.892 31.7/ 15 39.7 9.2 297/5.41 +27
.9 233.8
NAKANO
**** Don't distribute anyone except personal use only ****
(C) Copyright 2004 OAA/ComputingSection
write mail from CFAD0::NAKANO on 2004-04-17 05:41:02(JST).
◎C/2004 F4の軌道と予報位置です
ブラッドフィ−ルドの発見した新彗星ですが，４月下旬の明け方の空に
観測可能でしょう．なお，残差の単位は，角度の分です．
C/2004 F4 (Bradfield)
T 2004 Apr. 17.03864 TT Nakano
q 0.1716312 (2000.0) P Q
Peri. 332.06150 -0.79644098 -0.07225340
Node 222.48374 -0.23656938 -0.87648200
e 1.0 Incl. 62.74239 -0.55652196 +0.47598189
From 6 observations 2004 Mar. 23-Apr. 12.
20h JST R.A.(2000) Decl. Delta r Mot./PA Elong. Mag. PA/Tail At
Twilight
h m ｡ , , ｡ ｡ m1 ｡ ｡ h
｡ A ｡
Apr. 1 02 01.50 -01 43.1 1.381 0.564 18.6/ 94 20.4 7.2 109/4.58 -6
.6 92.6
2 02 02.73 -01 44.4 1.355 0.537 18.0/ 93 19.9 7.0 110/4.81 -7
.3 93.1
3 02 03.93 -01 45.2 1.328 0.510 17.1/ 91 19.5 6.7 112/5.06 -8
.1 93.6
4 02 05.08 -01 45.5 1.299 0.482 16.0/ 88 19.1 6.4 114/5.36 -8
.9 94.2
5 02 06.14 -01 44.9 1.270 0.453 14.6/ 83 18.6 6.1 116/5.71 -9
.7 94.8
6 02 07.11 -01 43.1 1.239 0.425 12.8/ 75 18.2 5.7 118/6.11 -10
.5 95.4
7 02 07.94 -01 39.8 1.206 0.396 11.1/ 60 17.7 5.4 120/6.58 -11
.3 96.1
8 02 08.58 -01 34.3 1.173 0.367 10.3/ 34 17.2 5.0 122/7.14 -12
.1 96.8
9 02 08.97 -01 25.8 1.137 0.337 12.8/ 3 16.6 4.6 124/7.79 -12
.9 97.6
10 02 09.01 -01 13.0 1.100 0.308 20.0/341 16.0 4.1 126/8.57 -13
.8 98.5
11 02 08.58 -00 54.0 1.062 0.279 32.2/330 15.2 3.6 129/9.46 -14
.7 99.6
12 02 07.50 -00 26.2 1.022 0.251 50.3/324 14.2 3.0 131/10.5 -15
.6 101.0
13 02 05.54 +00 14.5 0.980 0.225 75.7/321 12.9 2.5 134/11.5 -16
.6 102.6
14 02 02.39 +01 13.6 0.939 0.202 109.1/321 11.3 1.9 138/12.3 -17
.6 104.7
15 01 57.77 +02 37.9 0.900 0.184 147.8/321 9.2 1.4 143/12.3 -18
.7 107.5
16 01 51.57 +04 33.0 0.867 0.173 183.4/323 6.5 1.1 152/10.4 -19
.6 110.9
17 01 44.09 +06 58.6 0.842 0.172 204.7/325 3.7 1.0 176/6.52 -20
.3 115.1
28h JST R.A.(2000) Decl. Delta r Mot./PA Elong. Mag. PA/Tail At
Twilight
h m ｡ , , ｡ ｡ m1 ｡ ｡ h
｡ A ｡
Apr. 17 01 41.44 +07 52.5 0.836 0.174 207.6/326 3.0 1.0 193/5.30 -19
.2 244.8
18 01 33.48 +10 43.4 0.827 0.186 204.7/328 3.6 1.3 263/5.99 -15
.4 244.3
19 01 26.06 +13 36.8 0.829 0.205 190.2/331 6.6 1.7 288/9.63 -11
.6 243.8
20 01 19.61 +16 22.5 0.838 0.229 170.9/333 9.8 2.2 297/12.0 -8
.2 243.1
21 01 14.23 +18 55.1 0.854 0.255 151.5/336 12.7 2.7 300/13.0 -5
.2 242.3
22 01 09.86 +21 13.5 0.873 0.284 133.8/339 15.4 3.2 302/13.1 -2
.5 241.6
23 01 06.36 +23 18.2 0.895 0.313 118.5/342 17.7 3.7 304/12.9 -0
.1 240.9
24 01 03.59 +25 10.5 0.919 0.342 105.5/344 19.8 4.2 304/12.5 +2
.0 240.2
25 01 01.44 +26 51.9 0.943 0.371 94.6/347 21.6 4.6 305/11.9 +3
.9 239.5
26 00 59.78 +28 24.0 0.968 0.400 85.5/349 23.3 5.0 305/11.4 +5
.5 238.8
27 00 58.55 +29 47.9 0.993 0.429 77.8/352 24.8 5.3 305/10.8 +7
.0 238.2
28 00 57.65 +31 04.9 1.018 0.458 71.4/354 26.1 5.6 305/10.3 +8
.4 237.6
29 00 57.05 +32 15.8 1.043 0.486 65.8/356 27.4 6.0 304/9.79 +9
.6 237.0
30 00 56.68 +33 21.5 1.068 0.514 61.1/358 28.5 6.3 304/9.33 +10
.7 236.5
May 1 00 56.51 +34 22.6 1.092 0.542 57.1/360 29.5 6.5 304/8.90 +11
.8 236.0
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