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Bright Supernova pages - Sorted by name 1998

List of supernovae sorted by name for 1998

This list of objects for the year 1998. Coordinates are in J2000.0 format, the date is the "Earliest Observation" date. The magnitude is the last observed magnitude. * = 30 days old, ** = 60 days old or older. Max Mag is the maximum observed magnitude. For more information on any object, please click on the name of the object. This will bring you directly to the main entry for this object. Objects named by CBAT are at the bottom of this file, which is sorted in reverse alphabetical order.
Page re-generated at: 2016/03/27.745 UT

                                     Earliest        Supernova                                  Latest Max
SN                      Host Galaxy  Observation     R.A.         Decl.       offset from host  Mag    Mag  Type   Reference  Discoverer
Possible Supernova      NGC 7714     1998 09 05.4    23 36 14.0   +02 09 24        2.0E   5.0N  17.3** 17.3 unk    IAUC 7865 U.K. Infrared Telescope 
Nova M32 1998           M31          1998 08 31      00 42 39.299 +40 51 10.3     28.5E  44.7S  16.5** 16.5 EGV    IAUC 7004 LOSS         
Nova M31 1998 4         M31          1998 08 26      00 42 33.93  +41 04 56.8     10.3E 671.7N  16.6** 16.6 EGV    IAUC 7028 Abastumani Observatory 
Nova M31 1998 3         M31          1998 09 30      00 42 49.93  +41 16 48.8     63.0W  39.0N  16.2** 16.2 EGV    IAUC 7023 LOSS         
Nova M31 1998 2         M31          1998 09 15      00 42 46.62  +41 14 50.3     26.0W  78.0S  18.5** 18.5 EGV    IAUC 7015 LOSS         
Nova M31 1998           M31          1998 07 23      00 42 37.00  +41 16 56.7     82.4E  47.7N  15.6** 15.6 EGV    IAUC 6981 LOSS         
1998ff                  Anon.        1998 09 28.000  22 32 48.90  -60 34 04.8          0.0      25.3** 25.3 unk    IAUC 7740 High Z Supernova Search 
1998fe                  NGC 6027D    1998 07 19.3    15 59 12.84  +20 45 39.0      0.7E   2.4N  18.0** 18.0 unk    IAUC 7438 LOSS         
1998fd                  Anon.        1998 12 24.000  01 19 18.06  +15 55 24.1          0.0      21.3** 21.3 Ia     IAUC 7082 Wise Observatory Optical Transients Search 
1998fc                  Anon.        1998 12 20.000  02 59 12.61  +03 29 39.0          0.0      20.5** 20.5 Ia     IAUC 7082 Wise Observatory Optical Transients Search 
1998fb                  Anon.        1998 12 20.000  03 30 45.86  -52 32 12.2          0.0      18.4** 18.4 unk    IAUC 7077 Mount Stromlo 
1998fa                  UGC 3513     1998 12 25      06 42 51.51  +41 25 18.9      4.0E   3.8N  18.0** 18.0 IIb-pec IAUC 7073 LOSS         
1998ez                  Anon.        1998 12 08.000  03 57 32.93  -27 12 13.6      1.0E   4.0N  20.0** 20.0 II     IAUC 7070 Mount Stromlo 
1998ey                  NGC 7080     1998 12 05      21 30 00.67  +26 43 21.4     18.0E  20.0N  16.8** 16.8 Ic-pec IAUC 7065 Ron Arbour   
1998ex                  MCG +11-10-16 1998 11 25      07 41 42.287 +64 44 02.3      5.1E  10.1N  18.5** 18.5 Ia     IAUC 7061 Jean Mueller 
1998ew                  NGC 6943     1998 11 23      20 44 32.17  -68 43 373       5.0E  73.0N  14.9** 14.0 II     IAUC 7061 Roberto Antezana 
1998ev                  Anon.        1998 11 23.000  01 04 12.68  +25 00 59.1      0.0W   0.0N  14.0** 14.0 unk    IAUC 7055 Wise Observatory Optical Transients Search 
1998eu                  Anon.        1998 11 14.000  00 59 58.66  +14 18 00.4          0.0      19.7** 19.7 unk    IAUC 7055 Wise Observatory Optical Transients Search 
1998et                  Anon.        1998 11 17.000  06 59 18.70  +57 44 41.0      5.0E   5.0N  18.0** 18.0 II     IAUC 7054 Jean Mueller 
1998es                  NGC 632      1998 11 13      01 37 17.60  +05 52 50.6      0.4E  10.8N  17.7** 14.6 Ia-pec IAUC 7050 LOSS         
1998eq                  Anon.        1998 10 15.000  23 20 27.47  +15 55 43.7          0.0      24.8** 24.8 Ia     IAUC 7046              
1998ep                  Anon.        1998 10 15.000  23 19 57.67  +16 03 19.5          0.0      20.1** 20.1 Ia     IAUC 7046              
1998eo                  Anon.        1998 10 15.000  04 56 15.47  -03 46 38.7          0.0      23.6** 23.6 Ia     IAUC 7046              
1998en                  UGC 3645     1998 10 30.000  07 04 00.05  +50 40 30.0     10.0E  18.0S  18.4** 18.4 unk    IAUC 7045 LOSS         
1998em                  IC 4837A     1998 10 26.96   19 15 12.69  -54 06 49.7     26.0E  67.0N  16.5** 16.5 Ia     IAUC 7041 L. E. Gonzalez 
1998el                  Anon.        1998 10 22.000  03 21 01.21  -41 33 06.6      1.0E   0.0N  20.5** 20.5 unk    IAUC 7039 Mount Stromlo 
1998ek                  Anon.        1998 10 15.000  06 36 30.59  -37 58 40.2     14.0W   4.0N  18.0** 18.0 unk    IAUC 7035 Roberto Antezana 
1998ej                  Anon.        1998 10 15.000  23 41 00.95  -38 56 37.2      4.0E   6.0N  19.0** 19.0 unk    IAUC 7035 Roberto Antezana 
1998ei                  Anon.        1998 10 15.000  23 32 03.75  -39 33 18.4     12.0E  11.0S  18.5** 18.5 unk    IAUC 7034 Roberto Antezana 
1998eh                  ESO 74-G9    1998 10 15.000  20 48 57.82  -69 05 05.7      5.0W  26.0N  18.0** 18.0 unk    IAUC 7034 Marina Wischnjewsky 
1998eg                  UGC 12133    1998 10 19.000  22 39 30.26  +08 36 21.3     26.0E  25.0S  16.0** 16.0 Ia     IAUC 7033 Tom Boles    
1998ef                  UGC 646      1998 10 18.000  01 03 26.87  +32 14 12.4      6.0W   2.0S  15.2** 15.2 Ia     IAUC 7032 LOSS         
1998ee                  Anon.        1998 10 14.000  01 53 31.33  -53 58 19.5      5.0W   2.0N  17.5** 17.5 IIP    IAUC 7030 Marina Wischnjewsky 
1998ed                  Anon.        1998 09 16.000  23 00 14.64  -13 13 58.2      6.0E   3.0S  18.0** 18.0 unk    IAUC 7030 Jean Mueller 
1998ec                  UGC 3576     1998 09 26      06 53 06.11  +50 02 22.1      8.7E  19.5N  18.4** 18.4 Ia     IAUC 7022 BAO Supernova Survey 
1998eb                  NGC 1961     1998 09 17      05 42 12.02  +69 22 26.3     38.8W  17.0S  20.0** 20.0 Ia     IAUC 7016 LOSS         
1998ea                  Anon.        1998 09 06.000  04 33 46.59  -61 35 20.4          0.0      19.5** 19.5 Ia     IAUC 7015 Mount Stromlo 
1998dz                  Anon.        1998 09 03.000  03 20 58.18  -41 05 22.8          0.0      18.5** 18.5 Ia     IAUC 7015 Mount Stromlo 
1998dy                  Anon.        1998 08 01.000  04 29 54.24  -61 12 43.1          0.0      19.0** 19.0 unk    IAUC 7015 Mount Stromlo 
1998dx                  UGC 11149    1998 09 10      18 11 11.89  +49 51 40.7     20.9W  12.2S  17.9** 17.9 Ia     IAUC 7011 LOSS         
1998dw                  Anon.        1998 08 28.000  01 09 11.56  -15 29 46.7          0.0      18.8** 18.8 Ia     IAUC 7007 Mount Stromlo 
1998dv                  Anon.        1998 08 22.000  04 29 46.79  -61 30 25.4          0.0      20.2** 20.2 unk    IAUC 7007 Mount Stromlo 
1998du                  Anon.        1998 08 14.000  00 45 11.73  -63 48 21.6          0.0      20.5** 20.5 unk    IAUC 7007 Mount Stromlo 
1998dt                  NGC 945      1998 09 01      02 28 35.729 -10 32 59.8     23.1E  39.5S  16.6** 16.6 Ib     IAUC 7006 LOSS         
1998ds                  Anon.        1998 08 28.000  03 17 19.21  -53 10 58.0     10.0E   3.0N  18.5** 18.5 Ia     IAUC 7006 Roberto Antezana 
1998dr                  Anon.        1998 08 28.000  00 09 30.68  -48 50 39.1      0.0W   2.0N  18.0** 18.0 Ia     IAUC 7006 Roberto Antezana 
1998dq                  NGC 6754     1998 08 23      19 11 23.78  -50 38 25.5     18.7E   5.0N  14.6** 14.6 Ia     IAUC 6998 Brett White  
1998dp                  Anon.        1998 08 01.000  21 58 28.12  -19 58 05.9          0.0      20.3** 20.3 unk    IAUC 6996 Mount Stromlo 
1998do                  Anon.        1998 08 01.000  01 14 30.92  +00 28 13.0          0.0      19.0** 19.0 unk    IAUC 6996 Mount Stromlo 
1998dn                  NGC 337A     1998 08 19      01 01 27.08  -07 36 36.7    102.0E  79.0S  15.8** 15.8 II     IAUC 6994 BAO Supernova Survey 
1998dm                  MCG -1-4-44  1998 08 22      01 26 13.97  -06 06 14.0     13.8E  37.0S  14.9** 14.9 Ia     IAUC 6993 LOSS         
1998dl                  NGC 1084     1998 08 20      02 46 01.477 -07 34 25.10    21.6W  11.6N  15.1** 15.1 II     IAUC 6992 LOSS         
1998dk                  UGC 139      1998 08 19      00 14 32.16  -00 44 10.9      5.4W   3.1N  15.2** 15.2 Ia     IAUC 6991 LOSS         
1998dj                  NGC 788      1998 08 08      02 01 06.92  -06 49 04.8      7.1W   8.6S  16.0** 16.0 Ia     IAUC 6986 LOSS         
1998dh                  NGC 7541     1998 07 20      23 14 40.31  +04 32 14.1     53.5E  10.4N  16.5** 16.5 Ia     IAUC 6978 LOSS         
1998dg                  MCG -3-34-8  1998 07 19      13 10 23.85  +16 56 08.11    17.5E  17.1S  16.0** 16.0 Ia     IAUC 6978 Marina Wischnjewsky 
1998df                  Anon.        1998 07 18.000  21 32 30.57  -65 03 32.8      2.0E   7.0S  18.5** 18.5 unk    IAUC 6978 Roberto Antezana 
1998de                  NGC 252      1998 07 23      00 48 06.88  +27 37 28.5     71.9W   3.4N  17.6** 17.6 Ia-pec IAUC 6977 LOSS         
1998dd                  ESO 383-G78  1998 07 18      13 47 33.95  -33 02 31.4      2.8W   2.5N  17.0** 17.0 unk    IAUC 6974 Roberto Antezana 
1998dc                  Anon.        1998 07 05.000  22 20 16.10  -44 33 56.1          0.0      19.5** 19.5 unk    IAUC 6972 EROS         
1998db                  Anon.        1998 07 01.000  22 55 54.64  -39 26 29.8          0.0      19.4** 19.4 unk    IAUC 6972 EROS         
1998da                  Anon.        1998 07 01.000  00 27 13.76  -39 25 25.6          0.0      20.5** 20.5 unk    IAUC 6972 EROS         
1998cz                  Anon.        1998 05 21.000  12 03 06.50  -12 37 41.5          0.0      18.5** 18.5 unk    IAUC 6972 EROS         
1998cy                  Anon.        1998 05 20.000  14 02 42.82  -05 45 05.7          0.0      19.5** 19.5 unk    IAUC 6972 EROS         
1998cx                  NGC 6209     1998 07 04      16 54 55.31  -72 35 24.0     10.9E  12.1S  18.3** 18.3 Ia     IAUC 6970 Alexander Wassilieff 
1998cw                  Anon.        1998 06 24.000  22 56 19.67  -35 09 59.9      0.0W   0.0N  17.5** 17.5 Ia     IAUC 6968 Roberto Antezana 
1998cv                  ESO 237-G42  1998 06 24      22 09 46.29  -49 47 43.0      5.0W  12.7N  17.5** 17.5 Ic     IAUC 6968 Roberto Antezana 
1998cu                  IC 1525      1998 06 30      23 59 12.95  +46 52 31.8     29.2E  50.3S  18.1** 18.1 II     IAUC 6958 LOSS         
1998ct                  UGC 10062    1998 06 30      15 51 11.67  +21 56 36.0      5.0E   2.0N  16.1** 16.1 IIn    IAUC 6957 Mike Schwartz 
1998cs                  UGC 10432    1998 06 29      16 30 39.22  +41 12 54.4      2.2W  16.0N  17.5** 17.5 Ia     IAUC 6957 Tim Puckett et al. 
1998cr                  PGC 57979    1998 06 28      16 23 17.25  +37 12 47.5      6.0E   7.5S  17.5** 17.5 unk    IAUC 6956 Tim Puckett et al. 
1998cq                  Anon.        1998 06 17.000  00 45 06.11  -63 49 50.4      0.0E   1.0N  19.3** 19.3 Ia     IAUC 6955 Mount Stromlo 
1998cp                  MCG +9-21-11 1998 06 21      12 31 52.35  +52 23 39.5      3.0W  24.0S  18.0** 18.0 unk    IAUC 6954 Mike Schwartz 
1998co                  NGC 7131     1998 06 21      21 47 36.24  -13 10 52.3      2.4W   4.6N  16.0** 16.0 Ia     IAUC 6950 Wayne Johnson (aka Mr. Galaxy) 
1998cn                  NGC 3735     1998 06 17      11 35 54.44  +70 32 10.2     10.0E   6.0N  15.8** 15.8 Ia     IAUC 6944 Mike Schwartz 
1998cm                  Anon.        1998 06 10.000  13 44 12.97  +03 00 40.3          0.0      18.6** 18.6 Ia     IAUC 6943 Mount Stromlo 
1998cl                  MRK 261      1998 06 03      13 29 59.84  +75 34 09.0      5.0E   1.0N  17.0** 17.0 Ia     IAUC 6934 Mike Schwartz 
1998ck                  ESO 434-G20  1998 05 31      09 41 06.00  -29 06 17.7      7.0E   1.0S  17.0** 17.0 Ia     IAUC 6925 Marina Wischnjewsky 
1998cj                  NGC 4263     1998 05 21      12 19 43.30  -12 13 41.8      9.4W  10.8S  17.2** 17.2 II     IAUC 6921 EROS         
1998ci                  Anon.        1998 05 19.000  12 41 01.12  -06 39 48.2          0.0      18.0** 18.0 Ia     IAUC 6921 EROS         
1998ch                  Anon.        1998 05 18.000  13 29 13.31  -29 17 26.8      1.0W   2.0S  20.3** 20.3 II     IAUC 6917 Mount Stromlo 
1998cg                  Anon.        1998 05 01.000  12 18 18.13  +20 44 26.0      0.0W   4.0S  18.5** 18.5 Ia     IAUC 6917 Gal-Yam, Maoz 
1998cf                  NGC 3504     1998 03 31      11 03 11.21  +27 58 21.0      0.6W   5.3S  15.0** 15.0 unk    IAUC 6914 Eric Emsellem 
1998ce                  MCG -4-24-19 1998 05 19      10 10 34.70  -25 49 30.8      9.0E   8.0S  16.0** 16.0 II     IAUC 6912 Perth Astronomical Research Group 
1998cd                  2MFGC 08366  1998 05 17.000  10 45 04.16  +39 25 12.5      8.0W   6.0S  17.5** 17.5 Ia     IAUC 6909 Jean Mueller 
1998cc                  NGC 5172     1998 05 15      13 29 19.31  +17 02 42.4      0.0W  24.5S  18.1** 15.3 Ib     IAUC 6907 LOSS         
1998ca                  Anon.        1998 04 24.000  12 13 29.24  -06 23 42.0          0.0      18.8** 18.8 II     IAUC 6904 EROS         
1998bz                  Anon.        1998 04 24.000  12 11 05.84  -05 35 33.8          0.0      19.1** 19.1 unk    IAUC 6904 EROS         
1998by                  Anon.        1998 04 21.000  11 25 07.20  -05 23 15.2          0.0      19.5** 19.5 unk    IAUC 6904 EROS         
1998bx                  Anon.        1998 04 21.000  11 12 28.05  -05 58 09.9          0.0      19.6** 19.6 unk    IAUC 6904 EROS         
1998bw                  ESO 184-G82  1998 04 28      19 35 03.31  -52 50 46.65         0.0      14.0** 13.5 Ib     IAUC 6895 ESO           aka GRB980425
1998bv                  Anon.        1998 04 06.000  10 38 25.40  +47 42 32.8      3.0E   4.0S  17.1** 17.1 IIP    IAUC 6900 Kniazev et al. 
1998bu                  M96          1998 05 09      10 46 46.03  +11 50 07.15     4.3W  55.3N  21.1** 11.6 Ia     IAUC 6899 Mirko Villi  
1998bt                  Anon.        1998 03 10.000  13 25 41.93  -26 46 55.7          0.0      19.7** 19.7 unk    IAUC 6893 Mount Stromlo 
1998bs                  Anon.        1998 04 28.000  13 26 31.51  -31 09 08.9          0.0      20.6** 20.6 unk    IAUC 6893 Mount Stromlo 
1998br                  Anon.        1998 04 28.000  15 10 24.94  +05 55 30.0          0.0      20.5** 20.5 unk    IAUC 6893 Mount Stromlo 
1998bq                  Anon.        1998 04 28.000  15 10 20.53  +05 51 16.5          0.0      19.2** 19.2 unk    IAUC 6893 Mount Stromlo 
1998bp                  NGC 6495     1998 04 29      17 54 50.74  +18 19 50.5      1.0W  13.0N  15.2** 14.8 Ia     IAUC 6890 Mark Armstrong 
1998bo                  ESO 185-G31  1998 04 22.000  19 57 22.55  -55 08 18.4      3.0W   5.0S  18.0** 18.0 Ic     IAUC 6889 Marina Wischnjewsky 
1998bn                  NGC 4462     1998 04 17      12 29 18.88  +23 09 49.25    32.3E   9.7N  14.8** 13.7 Ia     IAUC 6886 LOSS         
1998bm                  IC 2458      1998 04 21      09 21 30.498 +64 14 25.4      1.0W   5.0N  17.6** 17.6 II     IAUC 6882 LOSS         
1998bl                  Anon.        1998 03 22.000  13 49 36.04  +01 57 46.6          0.0      23.2** 23.2 unk    IAUC 6881 Supernova Cosmology Project 
1998bk                  Anon.        1998 03 22.000  13 48 48.25  +02 58 41.2          0.0      22.5** 22.5 Ia     IAUC 6881 Supernova Cosmology Project 
1998bj                  Anon.        1998 03 22.000  13 47 49.63  +01 59 47.8          0.0      23.4** 23.4 unk    IAUC 6881 Supernova Cosmology Project 
1998bi                  Anon.        1998 03 22.000  13 47 44.72  +02 20 57.2          0.0      23.7** 23.7 Ia     IAUC 6881 Supernova Cosmology Project 
1998bh                  Anon.        1998 03 22.000  13 47 36.55  +02 18 22.5          0.0      23.1** 23.1 unk    IAUC 6881 Supernova Cosmology Project 
1998bg                  Anon.        1998 03 22.000  13 47 11.74  +02 07 22.4          0.0      20.9** 20.9 unk    IAUC 6881 Supernova Cosmology Project 
1998bf                  Anon.        1998 03 22.000  13 46 31.80  +02 08 37.7          0.0      24.3** 24.3 unk    IAUC 6881 Supernova Cosmology Project 
1998be                  Anon.        1998 03 22.000  13 46 20.89  +02 02 40.4          0.0      23.8** 23.8 Ia     IAUC 6881 Supernova Cosmology Project 
1998bd                  Anon.        1998 03 22.000  13 45 29.05  +01 57 32.5          0.0      21.2** 21.2 Ia     IAUC 6881 Supernova Cosmology Project 
1998bc                  Anon.        1998 03 22.000  13 45 10.14  +02 23 52.4          0.0      22.1** 22.1 Ia     IAUC 6881 Supernova Cosmology Project 
1998bb                  Anon.        1998 03 22.000  13 43 53.58  +01 25 33.7          0.0      24.0** 24.0 Ia     IAUC 6881 Supernova Cosmology Project 
1998ba                  Anon.        1998 03 22.000  13 43 36.92  +02 19 30.6          0.0      22.3** 22.3 Ia     IAUC 6881 Supernova Cosmology Project 
1998az                  Anon.        1998 03 22.000  10 57 21.78  -03 25 23.0          0.0      22.7** 22.7 Ia     IAUC 6881 Supernova Cosmology Project 
1998ay                  Anon.        1998 03 22.000  10 57 21.51  -03 14 49.9          0.0      22.9** 22.9 Ia     IAUC 6881 Supernova Cosmology Project 
1998ax                  Anon.        1998 03 22.000  10 57 16.38  -03 33 59.2          0.0      22.3** 22.3 Ia     IAUC 6881 Supernova Cosmology Project 
1998aw                  Anon.        1998 03 22.000  10 56 15.02  -04 15 21.5          0.0      25.0** 25.0 Ia     IAUC 6881 Supernova Cosmology Project 
1998av                  Anon.        1998 03 22.000  10 56 07.98  -04 11 20.6          0.0      23.3** 23.3 unk    IAUC 6881 Supernova Cosmology Project 
1998au                  Anon.        1998 03 22.000  10 55 46.11  -04 19 51.0          0.0      23.5** 23.5 unk    IAUC 6881 Supernova Cosmology Project 
1998at                  Anon.        1998 03 22.000  10 54 54.37  -03 44 10.0          0.0      23.8** 23.8 II     IAUC 6881 Supernova Cosmology Project 
1998as                  Anon.        1998 03 22.000  10 53 56.22  -03 39 10.0          0.0      22.0** 22.0 Ia     IAUC 6881 Supernova Cosmology Project 
1998ar                  NGC 2916     1998 04 14      09 34 58.86  +21 42 57.54    16.9W  38.5N  18.4** 18.4 II     IAUC 6877 BAO Supernova Survey 
1998aq                  NGC 3982     1998 04 13      11 56 25.76  +55 07 40.1     18.0E   7.0N  19.6** 12.0 Ia     IAUC 6875 Mark Armstrong 
1998ap                  Anon.        1998 03 31.000  20 00 35.58  -52 42 36.8     16.0E   3.0N  17.0** 17.0 unk    IAUC 6873 Roberto Antezana 
1998ao                  Anon.        1998 03 25.000  10 07 14.58  -26 23 35.1     10.0W   4.0S  18.0** 18.0 II     IAUC 6873 Roberto Antezana 
1998an                  UGC 3683     1998 04 06      07 08 17.13  +46 06 54.31    32.0W   3.0S  16.4** 16.4 Ia     IAUC 6871 Ron Arbour   
1998am                  Anon.        1998 03 26.000  13 41 21.38  -00 32 33.8          0.0      23.8** 23.8 II     IAUC 6861 High Z Supernova Search 
1998al                  Anon.        1998 03 26.000  13 43 05.37  -00 25 43.0          0.0      23.4** 23.4 Ia     IAUC 6861 High Z Supernova Search 
1998ak                  Anon.        1998 03 26.000  13 44 16.22  -00 10 49.3          0.0      23.7** 23.7 Ia?    IAUC 6861 High Z Supernova Search 
1998aj                  Anon.        1998 03 26.000  09 27 55.76  -04 59 56.9          0.0      24.1** 24.1 Ia     IAUC 6861 High Z Supernova Search 
1998ai                  Anon.        1998 03 26.000  13 42 27.59  -00 06 47.2          0.0      22.7** 22.7 Ia     IAUC 6861 High Z Supernova Search 
1998ah                  Anon.        1998 03 26.000  09 28 15.74  -05 21 57.9          0.0      22.6** 22.6 Ia     IAUC 6861 High Z Supernova Search 
1998ag                  Anon.        1998 03 25.000  13 43 36.42  +00 08 02.2          0.0      23.5** 23.5 Ia     IAUC 6861 High Z Supernova Search 
1998af                  Anon.        1998 03 25.000  09 30 36.98  -05 04 51.1          0.0      23.7** 23.7 II     IAUC 6861 High Z Supernova Search 
1998ae                  Anon.        1998 03 25.000  09 30 47.53  -04 38 51.0          0.0      23.9** 23.9 unk    IAUC 6861 High Z Supernova Search 
1998ad                  Anon.        1998 03 25.000  09 29 55.71  -05 21 59.3          0.0      23.4** 23.4 II?    IAUC 6861 High Z Supernova Search 
1998ac                  Anon.        1998 02 27.000  09 31 20.00  -05 16 24.3          0.0      23.7** 23.7 Ia     IAUC 6861 High Z Supernova Search 
1998ab                  NGC 4704     1998 04 01      12 48 47.24  +41 55 28.31     2.0W  12.0N  17.3** 17.3 Ia     IAUC 6858 BAO Supernova Survey 
1998aa                  Anon.        1998 02 26.000  12 25 32.65  +07 38 59.0     10.0E   1.0S  18.0** 18.0 Ia     IAUC 6850 Roberto Antezana 
1998Z                   Anon.        1998 03 16.000  05 24 58.78  -31 21 38.1      2.0E   2.0S  19.6** 19.6 Ia     IAUC 6850 Mount Stromlo 
1998Y                   NGC 2415     1998 03 16      07 36 56.934 +35 14 36.01     7.0W   6.0N  18.3** 18.3 II     IAUC 6850 LOSS         
1998X                   NGC 6754     1998 03 13      19 11 23.2   -50 38 34.0     23.8E   3.1S  17.0** 17.0 II     IAUC 6847 Perth Astronomical Research Group 
1998W                   NGC 3075     1998 03 16      09 58 54.83  +14 25 25.7     20.0E  12.0N  17.3** 17.3 II     IAUC 6843 LOSS         
1998V                   NGC 6627     1998 03 10      18 22 37.40  +15 42 08.4     21.0E  21.0N  16.2** 16.2 Ia     IAUC 6841 Mark Armstrong 
1998U                   Anon.        1998 03 03.000  11 36 32.20  -12 07 26.7      2.0W   4.0N  20.0** 20.0 unk    IAUC 6836 EROS         
1998T                   NGC 3690     1998 03 03      11 28 33.16  +58 33 43.7          0.0      14.4** 13.9 Ib     IAUC 6830 BAO Supernova Survey 
1998S                   NGC 3877     1998 03 03      11 46 06.18  +47 28 55.57    13.6E  46.0S  18.0** 11.9 IIn    IAUC 6829 BAO Supernova Survey 
1998R                   UGC 6271     1998 02 23      11 14 37.03  +30 18 51.7      3.1E   0.8N  16.0** 16.0 II     IAUC 6826 CfA Supernova group 
1998Q                   Anon.        1998 01 27.000  13 32 46.38  -31 37 23.5          0.0      20.9** 20.9 unk    IAUC 6820 Mount Stromlo 
1998P                   Anon.        1998 01 27.000  13 37 17.63  -35 27 32.6          0.0      20.9** 20.9 unk    IAUC 6820 Mount Stromlo 
1998O                   Anon.        1998 01 27.000  13 39 34.98  -35 46 32.5          0.0      20.9** 20.9 unk    IAUC 6820 Mount Stromlo 
1998N                   Anon.        1998 01 24.000  11 33 29.39  +03 51 02.3          0.0      23.1** 23.1 unk    IAUC 6819 High Z Supernova Search 
1998M                   Anon.        1998 01 24.000  11 33 44.37  +04 05 13.4          0.0      23.3** 23.3 Ia     IAUC 6819 High Z Supernova Search 
1998L                   Anon.        1998 01 24.000  11 33 36.63  +04 35 04.6          0.0      23.6** 23.6 II?    IAUC 6819 High Z Supernova Search 
1998K                   Anon.        1998 01 24.000  04 13 42.86  -05 50 45.2          0.0      23.8** 23.8 unk    IAUC 6819 High Z Supernova Search 
1998J                   Anon.        1998 01 23.000  09 31 10.48  -04 45 36.5          0.0      22.5** 22.5 Ia     IAUC 6819 High Z Supernova Search 
1998I                   Anon.        1998 01 23.000  08 04 51.56  +05 15 47.7          0.0      23.6** 23.6 Ia     IAUC 6819 High Z Supernova Search 
1998H                   Anon.        1998 01 23.000  08 04 51.47  +05 36 39.3          0.0      23.0** 23.0 unk    IAUC 6819 High Z Supernova Search 
1998G                   Anon.        1998 01 23.000  08 03 37.02  +06 10 13.9          0.0      22.8** 22.8 II?    IAUC 6819 High Z Supernova Search 
1998F                   Anon.        1998 01 23.000  04 16 50.13  -05 44 59.6          0.0      24.5** 24.5 unk    IAUC 6819 High Z Supernova Search 
1998E                   NGC 5161     1998 01 29      13 29 02     +33 10 00        3.0W   8.0S  16.5** 16.5 IIn    IAUC 6817 Perth Astronomical Research Group 
1998D                   NGC 5440     1998 01 28      14 02 59.28  +34 44 54.37    26.1E   7.4S  15.6** 15.6 Ia     IAUC 6815 BAO Supernova Survey 
1998C                   UGC 3825     1998 01 21      07 23 34.638 +41 26 04.2     15.5W   0.5S  17.9** 17.9 II     IAUC 6812 BAO Supernova Survey 
1998B                   Anon.        1998 01 01.000  07 46 02.10  +18 43 02.0      7.0E   2.0S  18.5** 18.5 Ia     IAUC 6809 Jean Mueller 
1998A                   IC 2627      1998 01 06      11 09 50.33  -23 43 43.1     40.0E  10.0S  17.0** 17.0 II     IAUC 6805 Perth Astronomical Research Group 

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