Central Bureau for Astronomical Telegrams
IAUC 4407: 1987i; 1987c
The following International Astronomical Union Circular may be linked-to from your own Web pages, but must not otherwise be redistributed (see these notes on the conditions under which circulars are made available on our WWW site).
Read IAUC 4408
Circular No. 4407
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM Telephone 617-495-7244/7440/7444
PERIODIC COMET KLEMOLA (1987i)
Total visual magnitude estimates: May 30.45 UT, 13.9 (A.
Hale, Las Cruces, NM, 0.41-m refl.); June 1.83, 13.3 (A. Pearce,
Broome, Western Australia, 0.32-m reflector); 5.44, 13.7 (Hale).
Ephemeris from the orbital elements on MPC 10520:
1987 ET R.A. (1950) Decl. Delta r m1
May 25 22 07.46 - 0 11.7 1.593 1.872 13.7
June 4 22 27.64 + 1 40.2
14 22 47.24 + 3 25.5 1.384 1.817 13.3
24 23 06.06 + 5 00.0
July 4 23 23.81 + 6 18.6 1.203 1.783 12.9
14 23 40.14 + 7 16.4
24 23 54.66 + 7 48.3 1.053 1.773 12.6
Aug. 3 0 06.89 + 7 49.5
13 0 16.44 + 7 16.8 0.939 1.786 12.4
23 0 22.99 + 6 08.9
Sept. 2 0 26.48 + 4 28.6 0.875 1.823 12.3
12 0 27.31 + 2 24.4
22 0 26.19 + 0 09.6 0.882 1.881 12.5
Oct. 2 0 24.22 - 1 59.7
12 0 22.56 - 3 48.5 0.976 1.957 12.9
22 0 22.12 - 5 07.7
Nov. 1 0 23.51 - 5 53.9 1.156 2.048 13.4
11 0 26.96 - 6 08.6
21 0 32.38 - 5 56.2 1.407 2.151 14.1
COMET NISHIKAWA-TAKAMIZAWA-TAGO (1987c)
Continuation of the ephemeris on IAUC 4392:
1987 ET R.A. (1950) Decl. Delta r m1
July 4 13 28.71 -19 28.5 1.448 1.992 10.3
14 13 22.05 -17 12.5
24 13 20.22 -15 53.7 2.105 2.247 11.6
Aug. 3 13 21.23 -15 10.2
13 13 24.03 -14 49.4 2.735 2.498 12.7
23 13 28.00 -14 44.1
Sept. 2 13 32.79 -14 49.5 3.303 2.742 13.5
12 13 38.10 -15 02.4
22 13 43.76 -15 20.5 3.786 2.981 14.1
1987 June 13 (4407) Brian G. Marsden
Read IAUC 4408
Our Web policy. Index to the CBAT/MPC/ICQ pages.
