List of supernovae sorted by Red Shift for 1999
This list of objects for the year 1999.
Coordinates are in J2000.0 format, the date is the
Discover date is actually the "Earliest Observation" date. The the "Last Mag" is the last
observed magnitude. * = 30 days old, ** = 60 days old or older.
Max Mag is the maximum observed magnitude.
Last obs is the date the object was last observed (current year assumed).
Max Date is the date of maximum observation.
The "z", or red shift, is taken from the spectra whenever possible.
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.
Page re-generated at: 2023/12/24.664 UT
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| SN | Type | Host | R.A. | Decl. | Offset | Discovery date (JD) | Max mag date (JD) | Max mag | Last mag date (JD) | Last mag | z | z host | Reference | Discoverer(s) | AKA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999gq | II | NGC 4523 | 12:33:48.32 | +15:10:48.2 | 5.0W 46.0N | 2451536.100 | 2451546 | 14.3 | 2451546 | 17.1 | 0.000900 | n/a | IAUC 7337 | LOSS | |
| 1999gi | II | NGC 3184 | 10:18:16.62 | +41:26:28.6 | 3.5E 60.5N | 2451522.320 | 2451544 | 14.0 | 2451544 | 16.3 | 0.001800 | n/a | IAUC 7329 | Reiki Kushida | |
| 1999em | IIP | NGC 1637 | 04:41:27.05 | -02:51:45.8 | 15.4E 17.0S | 2451480.940 | 2451484 | 13.1 | 2451484 | 19.1 | 0.002400 | n/a | IAUC 7294 | LOSS | |
| 1999br | II-pec | NGC 4900 | 13:00:41.80 | +02:29:45.8 | 40.0W 19.0S | 2451280.500 | 2451280 | 15.8 | 2451280 | 15.8 | 0.003000 | n/a | IAUC 7141 | LOSS | |
| 1999an | II | IC 755 | 12:01:10.57 | +14:06:12.3 | 1.8W 3.1S | 2451200.500 | 2451200 | 16.9 | 2451200 | 16.9 | 0.004000 | n/a | IAUC 7124 | BAO Supernova Survey | |
| 1999bg | II | IC 758 | 12:04:07.30 | +62:30:01.2 | 33.0E 20.0S | 2451265.500 | 2451265 | 16.7 | 2451265 | 16.7 | 0.004300 | n/a | IAUC 7135 | LOSS | |
| 1999B | II | UGC 7189 | 12:11:16.11 | +74:48:06.9 | 2.4E 20.1S | 2451192.500 | 2451192 | 17.3 | 2451192 | 17.3 | 0.006000 | n/a | IAUC 7086 | Mike Schwartz | |
| 1999cl | Ia | M88 | 12:31:56.01 | +14:25:35.3 | 46.0E 23.0N | 2451327.500 | 2451333 | 13.6 | 2451365 | 15.1 | 0.006800 | n/a | IAUC 7185 | LOSS | |
| 1999gk | II | NGC 4653 | 12:43:51.91 | -00:32:55.4 | 45.6W 15.3 | 2451528.030 | 2451539 | 15.5 | 2451539 | 16.5 | 0.008300 | n/a | IAUC 7332 | P. Berlind, | |
| 1999bu | Ic | NGC 3786 | 11:39:42.50 | +31:54:29.1 | 1.3E 3.1S | 2451250.500 | 2451250 | 18.7 | 2451250 | 18.7 | 0.008933 | n/a | IAUC 7145 | LOSS | |
| 1999ec | Ib | NGC 2207 | 06:16:16.16 | -21:22:09.8 | 81.7E 12.1N | 2451442.000 | 2451441 | 17.8 | 2451441 | 17.8 | 0.009000 | n/a | IAUC 7268 | LOSS | |
| 1999dn | Ib/c | NGC 7714 | 23:36:14.70 | +02:09:08.8 | 9.9W 9.4S | 2451410.260 | 2451409 | 16.3 | 2451409 | 16.3 | 0.009300 | n/a | IAUC 7241 | BAO Supernova Survey | |
| 1999ca | II | NGC 3120 | 10:05:22.92 | -34:12:41.3 | 35.0 | 2451296.050 | 2451295 | 17.0 | 2451295 | 17.0 | 0.009300 | n/a | IAUC 7158 | Perth Astronomical Research Group | |
| 1999cp | Ia | NGC 5468 | 14:06:31.3 | -05:26:49 | 52.0E 23.0N | 2451347.700 | 2451347 | 15.6 | 2451347 | 15.6 | 0.009500 | n/a | IAUC 7205 | LOSS | |
| 1999cr | II | ESO 576-G34 | 13:20:18.30 | -20:08:50.5 | 7.0W 4.0N | 2451249.700 | 2451249 | 18.0 | 2451249 | 18.0 | 0.010000 | n/a | IAUC 7210 | Roberto Antezana | |
| 1999ex | Ic | IC 5179 | 22:16:07.27 | -36:50:53.7 | 2.0W 16.0S | 2451492.010 | 2451491 | 16.2 | 2451491 | 16.2 | 0.011000 | n/a | IAUC 7310 | Perth Astronomical Research Group | |
| 1999ee | Ia | IC 5179 | 22:16:10.00 | -36:50:39.7 | 13.0W 3.5S | 2451458.690 | 2451458 | 16.3 | 2451458 | 16.3 | 0.011000 | n/a | IAUC 7272 | Marina Wischnjewsky | |
| 1999cw | Ia-pec | MCG -1-2-1 | 00:20:01.46 | -06:20:03.6 | 21.1W 1.5S | 2451358.000 | 2451357 | 16.8 | 2451357 | 16.8 | 0.012000 | n/a | IAUC 7211 | LOSS | |
| 1999da | Ia-pec | NGC 6411 | 17:35:22.96 | +60:48:49.3 | 71.3E 1.2N | 2451364.900 | 2451364 | 18.6 | 2451364 | 18.6 | 0.013000 | n/a | IAUC 7215 | LOSS | |
| 1999dq | Ia | NGC 976 | 02:33:59.68 | +20:58:30.4 | 4.3E 6.4S | 2451424.000 | 2451423 | 15.1 | 2451423 | 15.1 | 0.014000 | n/a | IAUC 7247 | LOSS | |
| 1999cd | II | NGC 3646 | 11:21:42.89 | +20:09:24.1 | 3.7E 46.4S | 2451312.700 | 2451312 | 17.0 | 2451312 | 17.0 | 0.014200 | n/a | IAUC 7169 | LOSS | |
| 1999ej | Ia | NGC 495 | 01:22:57.38 | +33:27:58.0 | 17.7W 20.1S | 2451469.800 | 2451482 | 15.2 | 2451482 | 17.3 | 0.015000 | n/a | IAUC 7286 | LOSS | |
| 1999aa | Ia-pec | NGC 2595 | 08:27:42.03 | +21:29:14.8 | 1.7W 30.8N | 2451220.500 | 2451220 | 17.5 | 2451220 | 17.5 | 0.015000 | n/a | IAUC 7108 | Ron Arbour | |
| 1999dj | II | UGC 1258 | 01:48:10.95 | +35:23:47.2 | 1.5E 7.4S | 2451398.900 | 2451398 | 17.8 | 2451398 | 17.8 | 0.015000 | n/a | IAUC 7234 | Tim Puckett et al. | |
| 1999gg | II | MCG +7-8-11 | 03:27:58.84 | +39:54:19.0 | 4.7E 3.3N | 2451489.465 | 2451488 | 18.7 | 2451488 | 18.7 | 0.015000 | n/a | IAUC 7326 | Tom Boles | |
| 1999bx | II | NGC 6745 | 19:01:41.44 | +40:44:52.3 | 2.2E 14.9N | 2451295.000 | 2451294 | 19.0 | 2451294 | 19.0 | 0.015700 | n/a | IAUC 7154 | LOSS | |
| 1999di | Ib | NGC 776 | 01:59:54.86 | +23:38:22.7 | 5.2W 17.0S | 2451398.880 | 2451398 | 18.0 | 2451398 | 18.0 | 0.016000 | n/a | IAUC 7234 | Tim Puckett et al. | |
| 1999ed | II | UGC 3555 | 06:50:00.95 | +25:37:54.5 | 17.4W 9.0S | 2451458.380 | 2451457 | 18.2 | 2451457 | 18.2 | 0.016000 | n/a | IAUC 7271 | LOSS | |
| 1999dp | II | UGC 3046 | 04:29:16.66 | +69:32:00.6 | 18.0E 7.8N | 2451409.000 | 2451408 | 18.2 | 2451408 | 18.2 | 0.016000 | n/a | IAUC 7247 | LOSS | |
| 1999gn | II | M61 | 12:21:57.02 | +04:27:45.6 | 31.7W 39.8S | 2451529.719 | 2451546 | 14.6 | 2451546 | 17.8 | 0.018000 | n/a | IAUC 7335 | Italian Supernovae Search Project | |
| 1999gb | IIn | NGC 2532 | 08:10:13.70 | +33:57:29.8 | 18.6E 6.2N | 2451504.920 | 2451535 | 15.9 | 2451535 | 17.5 | 0.018000 | n/a | IAUC 7316 | LOSS | |
| 1999gl | II | NGC 317B | 00:57:40.07 | +43:47:35.6 | 4.6W 0.4 | 2451527.230 | 2451533 | 16.2 | 2451533 | 17.9 | 0.018000 | n/a | IAUC 7333 | Tom Boles | |
| 1999ek | Ia | UGC 3329 | 05:36:31.60 | +16:38:17.8 | 11.7E 12.1S | 2451472.000 | 2451471 | 17.9 | 2451471 | 17.9 | 0.018000 | n/a | IAUC 7286 | LOSS | |
| 1999ai | II | none | 13:14:10.57 | -05:35:43.7 | 14.0E 11.3N | 2451224.500 | 2451224 | 18.1 | 2451224 | 18.1 | 0.018000 | n/a | IAUC 7117 | EROS collaboration | |
| 1999gj | Ia | NGC 3251 | 10:29:19.20 | +26:06:20.2 | 33.0W 21.0N | 2451499.500 | 2451499 | 19.0 | 2451499 | 19.0 | 0.018000 | n/a | IAUC 7330 | Mark Armstrong | |
| 1999be | Ia | CGCG 89-13 | 08:23:38.60 | +18:18:20.4 | 12.0E 24.0N | 2451227.500 | 2451227 | 16.5 | 2451227 | 16.5 | 0.018300 | n/a | IAUC 7134 | Supernova Cosmology Project | |
| 1999bv | IIb | MCG +10-25-14 | 17:22:40.73 | +60:00:12.9 | 2.6E 24.3S | 2451287.500 | 2451287 | 18.0 | 2451287 | 18.0 | 0.018400 | n/a | IAUC 7148 | Mike Schwartz | |
| 1999ge | II | NGC 309 | 00:56:43.76 | -09:54:43.0 | 16.0W 6.7N | 2451509.700 | 2451514 | 15.5 | 2451514 | 16.7 | 0.019000 | n/a | IAUC 7321 | LOSS | |
| 1999do | Ia | MRK 922 | 22:53:29.87 | +31:38:42.9 | 4.7W 0.0 | 2451410.800 | 2451410 | 16.3 | 2451410 | 16.3 | 0.021300 | n/a | IAUC 7242 | LOSS | |
| 1999eg | II | IC 1861 | 02:53:08.39 | +25:29:24.2 | 0.0 | 2451455.578 | 2451455 | 17.9 | 2451455 | 17.9 | 0.022000 | n/a | IAUC 7275 | Mark Armstrong | |
| 1999bc | Ic | UGC 4433 | 08:28:31.08 | +17:28:15.4 | 4.2W 17.1N | 2451228.500 | 2451228 | 18.9 | 2451228 | 18.9 | 0.022000 | n/a | IAUC 7134 | Supernova Cosmology Project | |
| 1999cn | Ic | MCG +2-38-43 | 15:06:46.6 | +12:51:29.0 | 1.5E 8.3N | 2451344.490 | 2451343 | 17.9 | 2451343 | 17.9 | 0.023000 | n/a | IAUC 7202 | Telescopio Nazionale Galileo | |
| 1999cf | Ia | UGC 8539 | 13:33:29.71 | +33:03:22.9 | 7.9W 49.7N | 2451322.630 | 2451322 | 16.6 | 2451322 | 16.6 | 0.024500 | n/a | IAUC 7178 | Mike Schwartz | |
| 1999ew | II | NGC 3677 | 11:26:17.66 | +46:58:32.7 | 0.3E 6.1N | 2451496.000 | 2451495 | 17.7 | 2451495 | 17.7 | 0.025000 | n/a | IAUC 7309 | LOSS | |
| 1999X | Ia | CGCG 180-22 | 08:54:32.23 | +36:30:41.1 | 4.1W 5.5N | 2451201.500 | 2451201 | 18.9 | 2451201 | 18.9 | 0.025000 | n/a | IAUC 7105 | Mike Schwartz | |
| 1999E | IIn-pec | IRAS 13145-1817 | 13:17:16.37 | -18:33:13.4 | 0.9E 10.0S | 2451193.500 | 2451193 | 16.7 | 2451193 | 16.7 | 0.026000 | n/a | IAUC 7088 | Roberto Antezana | |
| 1999at | Ia | none | 10:23:11.30 | +17:59:06.0 | 0.0 | 2451247.500 | 2451247 | 18.8 | 2451247 | 18.8 | 0.027000 | n/a | IAUC 7128 | Supernova Cosmology Project | |
| 1999gp | Ia | UGC 1993 | 02:31:39.15 | +39:22:52.3 | 11.4E 9.9N | 2451535.700 | 2451549 | 15.4 | 2451549 | 16.9 | 0.028000 | n/a | IAUC 7337 | LOSS | |
| 1999bh | Ia | NGC 3435 | 10:54:46.97 | +61:17:20.0 | 10.0E 3.0S | 2451266.500 | 2451266 | 18.6 | 2451266 | 18.6 | 0.028000 | n/a | IAUC 7135 | LOSS | |
| AT1999ha | unk | NGC 5366 | 13:56:24.374 | -00:14:54.80 | 0.0W 0.0N | 2451258.878 | 2451258 | 20.2 | 2451258 | 20.2 | n/a | 0.029750 | TNS | Galaxy Zoo | |
| 1999ei | Ia | anonymous | 01:33:52.30 | -28:41:57.0 | 8.0E 1.0S | 2451459.840 | 2451459 | 17.0 | 2451459 | 17.0 | 0.031000 | n/a | IAUC 7283 | Marina Wischnjewsky | |
| 1999co | II | anonymous | 21:03:19.12 | -14:32:49.0 | 0.0W 0.0 | 2451347.930 | 2451347 | 17.4 | 2451347 | 17.4 | 0.031000 | n/a | IAUC 7205 | LOSS | |
| 1999ab | II | anonymous | 10:25:00.64 | +53:52:37.0 | 4.8W 6.6N | 2451217.500 | 2451217 | 18.3 | 2451217 | 18.3 | 0.031000 | n/a | IAUC 7109 | Mike Schwartz | |
| 1999cc | Ia | NGC 6038 | 16:02:42.03 | +37:21:34.4 | 16.8W 1.7N | 2451306.700 | 2451306 | 17.2 | 2451306 | 17.2 | 0.032000 | n/a | IAUC 7163 | Mike Schwartz | |
| 1999by | Ia-pec | NGC 2841 | 09:21:52.07 | +51:00:06.6 | 96.0E 86.0N | 2451297.300 | 2451307 | 13.2 | 2451307 | 24.6 | 0.036000 | n/a | IAUC 7156 | Ron Arbour, | |
| 1999df | II | CGCG 274-26 | 15:08:56.52 | +52:26:53.1 | 5.9 | 2451379.660 | 2451379 | 17.5 | 2451379 | 17.5 | 0.038000 | n/a | IAUC 7228 | Tim Puckett et al. | |
| 1999aw | Ia | none | 11:01:36.37 | -06:06:31.6 | 0.0 | 2451246.500 | 2451246 | 17.6 | 2451246 | 17.6 | 0.040000 | n/a | IAUC 7130 | Wise Observatory | |
| 1999am | Ia | CGCG 60-9 | 08:24:10.88 | +12:06:58.6 | 11.0E 0.0N | 2451227.500 | 2451227 | 17.8 | 2451227 | 17.8 | 0.040000 | n/a | IAUC 7122 | Supernova Cosmology Project | |
| 1999ap | II | none | 08:29:47.46 | +04:37:38.5 | 0.0 | 2451229.500 | 2451229 | 19.4 | 2451229 | 19.4 | 0.040000 | n/a | IAUC 7125 | Nearby Galaxy Supernova Search | |
| 1999K | II | none | 08:03:06.06 | +03:24:51.6 | 0.0 | 2451191.500 | 2451191 | 21.5 | 2451191 | 21.5 | 0.040000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999cm | Ia | UGC 9766 | 15:11:19.18 | +61:07:11.4 | 7.5W 15.1S | 2451335.000 | 2451334 | 17.1 | 2451334 | 17.1 | 0.045000 | n/a | IAUC 7190 | Tim Puckett et al. | |
| 1999bt | Ia | anonymous | 17:11:37.77 | +72:25:15.5 | 4.0E 10.0N | 2451277.500 | 2451277 | 19.0 | 2451277 | 19.0 | 0.049900 | n/a | IAUC 7142 | Tom Boles | |
| 1999Z | IIn | UGC 5608 | 10:22:37.23 | +27:21:19.8 | 11.0E 2.0S | 2451217.500 | 2451217 | 17.4 | 2451217 | 17.4 | 0.050000 | n/a | IAUC 7106 | Mike Schwartz | |
| 1999av | Ia | none | 10:55:49.70 | -09:20:22.9 | 0.0 | 2451246.500 | 2451246 | 18.6 | 2451246 | 18.6 | 0.050000 | n/a | IAUC 7130 | Wise Observatory | |
| 1999aq | Ia | none | 09:35:40.48 | -04:55:23.2 | 0.0 | 2451229.500 | 2451229 | 18.8 | 2451229 | 18.8 | 0.050000 | n/a | IAUC 7125 | Nearby Galaxy Supernova Search | |
| 1999eq | II | none | 01:19:22.70 | -03:36:19.8 | 5.4E 10.5N | 2451454.500 | 2451454 | 19.0 | 2451454 | 19.0 | 0.050000 | n/a | IAUC 7297 | Nearby Galaxy Supernova Search | |
| 1999gc | Ia | APMBGC 541+003+027 | 01:05:10.87 | -20:17:48.1 | 6.7E 10.7N | 2451492.750 | 2451492 | 17.5 | 2451492 | 17.5 | 0.054000 | n/a | IAUC 7317 | Roberto Antezana | |
| 1999ao | Ia | none | 06:27:26.37 | -35:50:24.2 | 2.3W 0.9N | 2451188.500 | 2451188 | 18.2 | 2451188 | 18.2 | 0.055000 | n/a | IAUC 7124 | The Mount Stromlo Abell Cluster SN Search | |
| 1999ak | Ia | none | 11:06:52.05 | -11:39:13.3 | 7.6E 2.7N | 2451226.500 | 2451226 | 18.7 | 2451226 | 18.7 | 0.055000 | n/a | IAUC 7117 | EROS collaboration | |
| 1999cs | Ia | anonymous | 12:04:25.27 | -20:06:02.0 | 7.0 | 2451282.780 | 2451282 | 17.5 | 2451282 | 17.5 | 0.060000 | n/a | IAUC 7210 | Roberto Antezana | |
| 1999ep | Ia | none | 04:41:04.76 | -03:00:39.6 | 6.5W 3.4S | 2451449.500 | 2451449 | 18.9 | 2451449 | 18.9 | 0.060000 | n/a | IAUC 7297 | Nearby Galaxy Supernova Search | |
| 1999P | Ib/c | none | 10:44:08.72 | -00:49:04.5 | 0.0 | 2451191.500 | 2451191 | 21.8 | 2451191 | 21.8 | 0.060000 | n/a | IAUC 7097 | High Z Supernova Search | |
| AT1999gz | unk | anonymous | 11:57:31.944 | +00:48:59.85 | 0.0W 0.0N | 2451257.798 | 2451257 | 20.4 | 2451257 | 20.4 | n/a | 0.062270 | TNS | Galaxy Zoo | |
| 1999al | Ic | none | 11:10:25.68 | -07:26:37.0 | 6.4E 2.7N | 2451230.500 | 2451230 | 19.4 | 2451230 | 19.4 | 0.065000 | n/a | IAUC 7117 | EROS collaboration | |
| 1999es | Ia | none | 02:32:43.4 | +22:27:08 | 12.8W 2.0N | 2451484.500 | 2451484 | 18.5 | 2451484 | 18.5 | 0.070000 | n/a | IAUC 7301 | Jean Mueller and K. Rykoski, | |
| 1999ae | II | none | 11:51:24.48 | -04:39:09.4 | 4.6E 4.6S | 2451219.500 | 2451219 | 21.2 | 2451219 | 21.2 | 0.076000 | n/a | IAUC 7117 | EROS collaboration | |
| 1999bp | Ia | none | 11:39:46.42 | -08:51:34.8 | 2.6E 2.6N | 2451257.500 | 2451257 | 18.8 | 2451257 | 18.8 | 0.077000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999eo | Ia | none | 02:40:13.20 | +04:54:53.3 | 4.4W 3.0S | 2451453.500 | 2451453 | 19.6 | 2451453 | 19.6 | 0.080000 | n/a | IAUC 7297 | Nearby Galaxy Supernova Search | |
| 1999ah | Ic | none | 12:09:37.20 | -06:18:34.3 | 0.6E 0.2S | 2451222.500 | 2451222 | 20.8 | 2451222 | 20.8 | 0.080000 | n/a | IAUC 7117 | EROS collaboration | |
| AT1999hb | unk | anonymous | 11:51:21.421 | -00:58:18.49 | 0.0W 0.0N | 2451259.788 | 2451259 | 20.7 | 2451259 | 20.7 | n/a | 0.083000 | TNS | Galaxy Zoo | |
| 1999bz | Ic | UGC 8959 | 14:01:46.75 | +68:52:46.5 | 12.0E 8.0N | 2451299.900 | 2451299 | 17.8 | 2451299 | 17.8 | 0.084500 | n/a | IAUC 7157 | LOSS | |
| 1999ba | Ia | none | 10:19:19.37 | -02:49:39.0 | 0.0 | 2451232.500 | 2451232 | 20.0 | 2451232 | 20.0 | 0.090000 | n/a | IAUC 7131 | Supernova Cosmology Project | |
| 1999ey | IIn | anonymous | 00:58:03.39 | -27:40:32.3 | 0.5E 1.1S | 2451492.670 | 2451492 | 20.3 | 2451492 | 20.3 | 0.093000 | n/a | IAUC 7310 | Padova-Asiago Supernova Group | |
| 1999bk | Ia | none | 11:28:52.01 | -12:18:08.3 | 0.2E 6.5S | 2451252.500 | 2451252 | 19.1 | 2451252 | 19.1 | 0.096000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999af | Ia | none | 13:44:50.95 | -06:40:12.6 | 3.4E 4.2N | 2451221.500 | 2451221 | 20.6 | 2451221 | 20.6 | 0.097000 | n/a | IAUC 7117 | EROS collaboration | |
| 1999ag | II | none | 12:15:22.81 | -05:18:12.4 | 2.1E 1.7S | 2451221.500 | 2451221 | 20.7 | 2451221 | 20.7 | 0.098800 | n/a | IAUC 7117 | EROS collaboration | |
| 1999ax | II | none | 14:03:57.92 | +15:51:09.2 | 2.9W 2.3N | 2451257.500 | 2451257 | 18.5 | 2451257 | 18.5 | 0.100000 | n/a | IAUC 7130 | Wise Observatory | |
| 1999as | Ia | none | 09:16:30.86 | +13:39:02.2 | 0.0 | 2451243.500 | 2451243 | 18.3 | 2451243 | 18.3 | 0.120000 | n/a | IAUC 7128 | Supernova Cosmology Project | |
| 1999bn | Ia | none | 11:57:00.40 | -11:26:38.4 | 0.9W 0.2N | 2451254.500 | 2451254 | 19.6 | 2451254 | 19.6 | 0.120000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999W | II | none | 04:17:46.79 | -04:50:08.4 | 0.0 | 2451192.500 | 2451192 | 23.4 | 2451192 | 23.4 | 0.120000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999au | Ia | none | 08:58:58.01 | -07:22:09.9 | 0.0 | 2451246.500 | 2451246 | 19.2 | 2451246 | 19.2 | 0.124000 | n/a | IAUC 7130 | Wise Observatory | |
| 1999ci | unk | none | 14:52:12.70 | +27:54:22.2 | 0.0 | 2451313.500 | 2451313 | 19.3 | 2451313 | 19.3 | 0.124000 | n/a | IAUC 7181 | Wise Observatory | |
| 1999bi | Ia | none | 11:01:15.76 | -11:45:15.2 | 0.8E 0.8N | 2451248.500 | 2451248 | 20.5 | 2451248 | 20.5 | 0.124000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999C | Ia | none | 10:08:51.21 | +71:10:42.9 | 0.0 | 2451192.500 | 2451192 | 19.6 | 2451192 | 19.6 | 0.125000 | n/a | IAUC 7088 | Wise Observatory | |
| 1999bo | Ia | none | 14:21:07.48 | -05:57:25.8 | 7.6E 2.7N | 2451255.500 | 2451255 | 19.7 | 2451255 | 19.7 | 0.130000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999cg | unk | none | 12:43:17.55 | +76:13:58.9 | 0.0 | 2451283.500 | 2451283 | 19.2 | 2451283 | 19.2 | 0.136000 | n/a | IAUC 7181 | Wise Observatory | |
| 1999gu | II | none | 03:33:00.15 | -27:51:40.1 | 0.4E 2.4S | 2451541.670 | 2451541 | 22.2 | 2451541 | 22.2 | 0.147000 | n/a | IAUC 7346 | OaPd | |
| 1999bq | Ia | none | 13:06:54.46 | -12:37:11.6 | 1.7E 4.1N | 2451257.500 | 2451257 | 20.1 | 2451257 | 20.1 | 0.149000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999ar | Ia | none | 09:20:16.00 | +00:33:39.6 | 0.0 | 2451243.500 | 2451243 | 19.7 | 2451243 | 19.7 | 0.150000 | n/a | IAUC 7125 | Nearby Galaxy Supernova Search | |
| 1999az | Ia | none | 10:18:56.37 | -10:25:18.1 | 0.0 | 2451232.500 | 2451232 | 20.5 | 2451232 | 20.5 | 0.150000 | n/a | IAUC 7131 | Supernova Cosmology Project | |
| 1999bm | Ia | none | 12:45:00.84 | -06:27:30.2 | 3.4E 1.4N | 2451252.500 | 2451252 | 20.5 | 2451252 | 20.5 | 0.150000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999ez | unk | none | 22:36:39.00 | -00:15:09.1 | 0.0 | 2451455.500 | 2451455 | 23.4 | 2451455 | 23.4 | 0.150000 | n/a | IAUC 7311 | Supernova Cosmology Project | |
| 1999bd | II | none | 09:30:29.17 | +16:26:07.8 | 1.4 | 2451228.500 | 2451228 | 17.7 | 2451228 | 17.7 | 0.151000 | n/a | IAUC 7134 | Supernova Cosmology Project | |
| 1999ay | unk | none | 14:44:43.86 | +58:55:42.3 | 2.8W 2.1S | 2451258.500 | 2451258 | 18.0 | 2451258 | 18.0 | 0.151000 | n/a | IAUC 7130 | Wise Observatory | |
| 1999ch | unk | none | 16:54:45.69 | +39:59:13.9 | 0.5W 0.0N | 2451311.500 | 2451311 | 19.8 | 2451311 | 19.8 | 0.151000 | n/a | IAUC 7181 | Wise Observatory | |
| 1999en | Ia | none | 01:15:29.70 | -04:30:48.2 | 0.5E 4.2N | 2451454.500 | 2451454 | 19.0 | 2451454 | 19.0 | 0.160000 | n/a | IAUC 7297 | Nearby Galaxy Supernova Search | |
| 1999bj | Ia | none | 11:51:38.39 | -12:29:08.3 | 0.8E 4.0S | 2451248.500 | 2451248 | 20.8 | 2451248 | 20.8 | 0.160000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999G | Ia | none | 11:15:39.13 | -05:29:24.8 | 2.4E 2.2S | 2451190.500 | 2451190 | 21.4 | 2451190 | 21.4 | 0.170000 | n/a | IAUC 7092 | EROS collaboration | |
| 1999gv | unk | anonymous | 16:36:02.15 | +66:12:34.1 | 2.8E 0.8S | 2451248.500 | 2451248 | 22.8 | 2451248 | 22.8 | 0.175000 | n/a | IAUC 7405 | HST | |
| 1999F | Ia | none | 11:27:15.05 | -06:10:33.4 | 6.6W 3.3S | 2451190.500 | 2451190 | 19.8 | 2451190 | 19.8 | 0.180000 | n/a | IAUC 7092 | EROS collaboration | |
| 1999bb | II | none | 11:05:16.47 | -06:01:32.5 | 0.0 | 2451232.500 | 2451232 | 20.6 | 2451232 | 20.6 | 0.180000 | n/a | IAUC 7131 | Supernova Cosmology Project | |
| 1999dr | Ia | none | 23:00:17.56 | -00:05:12.5 | 0.0 | 2451424.490 | 2451423 | 22.1 | 2451423 | 22.1 | 0.182000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999ct | unk | none | 13:13:04.56 | +46:15:52.7 | 2.8W 1.0N | 2451342.500 | 2451342 | 20.8 | 2451342 | 20.8 | 0.183000 | n/a | IAUC 7210 | Wise Observatory | |
| 1999dv | Ia | none | 01:08:58.96 | +00:00:24.8 | 0.0 | 2451430.600 | 2451430 | 21.8 | 2451430 | 21.8 | 0.187000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999V | II? | none | 09:29:50.15 | -04:44:18.8 | 0.0 | 2451192.500 | 2451192 | 23.6 | 2451192 | 23.6 | 0.200000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999dy | Ia | none | 01:35:49.53 | +00:08:38.3 | 0.0 | 2451429.710 | 2451429 | 21.7 | 2451429 | 21.7 | 0.206000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999O | II | none | 10:42:05.22 | -00:29:00.2 | 0.0 | 2451191.500 | 2451191 | 24.1 | 2451191 | 24.1 | 0.210000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999bf | unk | none | 11:49:52.28 | -00:41:19.9 | 0.0 | 2451247.500 | 2451247 | 20.8 | 2451247 | 20.8 | 0.240000 | n/a | IAUC 7134 | Supernova Cosmology Project | |
| 1999du | Ia | none | 01:07:05.94 | -00:07:53.8 | 0.0 | 2451429.660 | 2451429 | 22.8 | 2451429 | 22.8 | 0.263000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999dx | Ia | none | 01:33:59.45 | +00:04:15.3 | 0.0 | 2451429.700 | 2451429 | 22.2 | 2451429 | 22.2 | 0.270000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999gt | Ia | none | 03:32:10.28 | -28:06:16.0 | 1.4W 0.0N | 2451541.670 | 2451541 | 22.1 | 2451541 | 22.1 | 0.274000 | n/a | IAUC 7346 | OaPd | |
| 1999fw | Ia | none | 23:31:53.03 | +00:09:32.3 | 0.0 | 2451485.500 | 2451485 | 21.1 | 2451485 | 21.1 | 0.280000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fy | II? | none | 23:33:46.90 | +00:12:16.0 | 0.0 | 2451485.500 | 2451485 | 22.7 | 2451485 | 22.7 | 0.280000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999bl | Ia | none | 11:12:13.60 | -05:04:44.8 | 2.2E 2.7S | 2451252.500 | 2451252 | 21.2 | 2451252 | 21.2 | 0.300000 | n/a | IAUC 7136 | Supernova Cosmology Project | |
| 1999fl | II | none | 02:30:05.53 | +00:44:52.6 | 0.0 | 2451485.500 | 2451485 | 24.9 | 2451485 | 24.9 | 0.300000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fp | II? | none | 04:15:02.59 | +04:21:46.4 | 0.0 | 2451485.500 | 2451485 | 24.1 | 2451485 | 24.1 | 0.340000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999ds | II? | none | 23:53:51.63 | +00:09:22.9 | 0.0 | 2451428.560 | 2451428 | 22.4 | 2451428 | 22.4 | 0.350000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999cj | Ia | none | 10:14:02.46 | -00:14:02.5 | 2.5E 0.6S | 2451285.500 | 2451285 | 19.2 | 2451285 | 19.2 | 0.360000 | n/a | IAUC 7182 | Supernova Cosmology Project | |
| 1999fh | Ia | none | 02:27:58.33 | +00:39:36.8 | 0.0 | 2451485.500 | 2451485 | 22.4 | 2451485 | 22.4 | 0.360000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999ea | Ia | none | 01:47:26.09 | -00:02:07.2 | 0.0 | 2451430.700 | 2451430 | 23.3 | 2451430 | 23.3 | 0.399000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999fg | unk | none | 02:27:41.88 | +00:39:13.3 | 0.0 | 2451485.500 | 2451485 | 22.9 | 2451485 | 22.9 | 0.420000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999ck | Ia | none | 14:08:56.59 | -00:05:50.7 | 1.0E 0.8S | 2451284.500 | 2451284 | 21.9 | 2451284 | 21.9 | 0.432000 | n/a | IAUC 7182 | Supernova Cosmology Project | |
| 1999dt | Ia | none | 00:45:42.29 | +00:03:22.2 | 0.0 | 2451425.550 | 2451425 | 23.5 | 2451425 | 23.5 | 0.439000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999dw | Ia? | none | 01:22:52.80 | -00:16:20.8 | 0.0 | 2451428.650 | 2451428 | 24.1 | 2451428 | 24.1 | 0.447000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999Q | Ia | none | 08:00:45.31 | +05:31:27.4 | 0.0 | 2451192.500 | 2451192 | 22.3 | 2451192 | 22.3 | 0.460000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999ff | Ia | none | 02:33:54.39 | +00:32:55.6 | 0.0 | 2451484.500 | 2451484 | 23.1 | 2451484 | 23.1 | 0.460000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999S | Ia | none | 09:28:08.08 | -04:58:37.6 | 0.0 | 2451192.500 | 2451192 | 23.8 | 2451192 | 23.8 | 0.460000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999fn | Ia | none | 04:14:03.88 | +04:17:55.0 | 0.0 | 2451485.500 | 2451485 | 23.5 | 2451485 | 23.5 | 0.470000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999dz | Ia | none | 01:37:03.24 | +00:01:57.9 | 0.0 | 2451429.710 | 2451429 | 23.4 | 2451429 | 23.4 | 0.488000 | n/a | IAUC 7258 | European Supernova Cosmology Consortium | |
| 1999fx | Ia? | none | 23:33:37.79 | +00:12:03.8 | 0.0 | 2451485.500 | 2451485 | 23.1 | 2451485 | 23.1 | 0.490000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999U | Ia | none | 09:26:42.96 | -05:37:57.8 | 0.0 | 2451192.500 | 2451192 | 23.1 | 2451192 | 23.1 | 0.500000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999M | Ia | none | 10:05:46.60 | -07:27:31.3 | 0.0 | 2451191.500 | 2451191 | 23.4 | 2451191 | 23.4 | 0.500000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999N | Ia | none | 10:04:27.93 | -07:35:51.1 | 0.0 | 2451191.500 | 2451191 | 23.3 | 2451191 | 23.3 | 0.540000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999L | Ia | none | 09:28:31.96 | -00:19:35.9 | 0.0 | 2451191.500 | 2451191 | 23.2 | 2451191 | 23.2 | 0.650000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999fc | Ia | none | 03:02:30.41 | +00:10:14.0 | 0.0 | 2451455.500 | 2451455 | 24.8 | 2451455 | 24.8 | 0.650000 | n/a | IAUC 7311 | Supernova Cosmology Project | |
| 1999R | Ia | none | 09:28:29.26 | -04:37:20.8 | 0.0 | 2451192.500 | 2451192 | 23.5 | 2451192 | 23.5 | 0.680000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999T | Ia | none | 09:27:01.77 | -05:40:22.0 | 0.0 | 2451192.500 | 2451192 | 24.1 | 2451192 | 24.1 | 0.690000 | n/a | IAUC 7097 | High Z Supernova Search | |
| 1999ft | Ia | none | 23:28:14.90 | +00:05:06.6 | 0.0 | 2451485.500 | 2451485 | 24.7 | 2451485 | 24.7 | 0.690000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fi | Ia | none | 02:28:11.67 | +00:43:39.3 | 0.0 | 2451485.500 | 2451485 | 24.1 | 2451485 | 24.1 | 0.780000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fj | Ia | none | 02:28:23.72 | +00:39:09.6 | 0.0 | 2451485.500 | 2451485 | 23.5 | 2451485 | 23.5 | 0.810000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fa | Ia? | none | 22:37:29.64 | -00:11:36.1 | 0.0 | 2451455.500 | 2451455 | 23.8 | 2451455 | 23.8 | 0.820000 | n/a | IAUC 7311 | Supernova Cosmology Project | |
| 1999fd | Ia? | none | 03:03:17.49 | +00:03:06.6 | 0.0 | 2451455.500 | 2451455 | 25.3 | 2451455 | 25.3 | 0.880000 | n/a | IAUC 7311 | Supernova Cosmology Project | |
| 1999fm | Ia | none | 02:30:35.62 | +01:09:43.3 | 0.0 | 2451485.500 | 2451485 | 23.6 | 2451485 | 23.6 | 0.930000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fb | unk | none | 22:37:33.88 | -00:20:30.0 | 0.0 | 2451455.500 | 2451455 | 24.6 | 2451455 | 24.6 | 0.940000 | n/a | IAUC 7311 | Supernova Cosmology Project | |
| 1999fu | Ia | none | 23:29:48.21 | +00:08:27.0 | 0.0 | 2451485.500 | 2451485 | 24.9 | 2451485 | 24.9 | 1.030000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fk | Ia | none | 02:28:53.88 | +01:16:24.2 | 0.0 | 2451485.500 | 2451485 | 24.3 | 2451485 | 24.3 | 1.050000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fo | Ia | none | 04:14:45.75 | +06:38:34.3 | 0.0 | 2451485.500 | 2451485 | 24.0 | 2451485 | 24.0 | 1.070000 | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fv | Ia | none | 23:30:35.80 | +00:16:40.0 | 0.0 | 2451485.500 | 2451485 | 24.5 | 2451485 | 24.5 | 1.230000 | n/a | IAUC 7346 | High Z Supernova Search | |
| Nova SMC 1999 3 | EGV | SMC | 00:59:23.0 | -73:07:56.0 | 0.0W 18.1N | 2451438.600 | 2451438 | 13.9 | 2451438 | 13.9 | n/a | n/a | IAUC 7286 | EROS | |
| 1999gh | Ia | NGC 2986 | 09:44:20.2 | -21:16:13.0 | 52.0W 15.8N | 2451516.306 | 2451518 | 14.4 | 2451518 | 18.9 | n/a | n/a | IAUC 7328 | Kesao Takamizawa | |
| 1999el | IIn | NGC 6951 | 20:37:17.72 | +66:06:11.5 | 21.8W 8.4S | 2451472.900 | 2451484 | 14.5 | 2451484 | 16.9 | n/a | n/a | IAUC 7288 | BAO | |
| 1999ev | II | NGC 4274 | 12:19:48.31 | +29:37:20.4 | 29.0E 28.0N | 2451489.725 | 2451503 | 15.2 | 2451503 | 16.9 | n/a | n/a | IAUC 7306 | Tom Boles | |
| 1999go | unk | NGC 1376 | 03:37:05.72 | -05:02:19.0 | 2.6E 14.8N | 2451535.700 | 2451542 | 15.3 | 2451542 | 17.0 | n/a | n/a | IAUC 7337 | LOSS | |
| Nova M31 1999 3 | EGV | M31 | 00:42:22.1 | +41:13:23 | 22.2W 165.3S | 2451400.900 | 2451400 | 15.6 | 2451400 | 15.6 | n/a | n/a | IAUC 7236 | LOSS | |
| 1999ga | II | NGC 2442 | 07:36:23.9 | -69:31:48.0 | 35.0E 92.0S | 2451502.260 | 2451506 | 15.6 | 2451506 | 19.2 | n/a | n/a | IAUC 7316 | Perth Astronomical Research Group | possible supernova |
| Nova SMC 1999 2 | EGV | SMC | 00:53:40.0 | -72:12:32.0 | 0.0E 37.0N | 2451387.600 | 2451387 | 15.6 | 2451387 | 15.6 | n/a | n/a | IAUC 7239 | EROS | |
| 1999dg | Ia | UGC 9758 | 15:11:28.41 | +13:29:05.7 | 4.8W 5.2N | 2451382.700 | 2451382 | 15.8 | 2451382 | 15.8 | n/a | n/a | IAUC 7229 | LOSS | |
| 1999D | II | NGC 3690 | 11:28:28.42 | +58:33:38.7 | 18.9E 4.8S | 2451194.500 | 2451194 | 15.8 | 2451194 | 15.8 | n/a | n/a | IAUC 7088 | BAO Supernova Survey | |
| 1999cz | Ic | NGC 5078 | 13:19:48.53 | -27:24:04.5 | 36.0E 0.0 | 2451342.000 | 2451341 | 16.0 | 2451341 | 16.0 | n/a | n/a | IAUC 7214 | Perth Astronomical Research Group | |
| 1999eb | IIn | NGC 664 | 01:43:45.45 | +04:13:25.9 | 4.8E 4.1N | 2451443.900 | 2451443 | 16.2 | 2451443 | 16.2 | n/a | n/a | IAUC 7268 | LOSS | GRB 991002 |
| 1999gd | Ia | NGC 2623 | 08:38:24.61 | +25:45:33.1 | 7.3W 17.4N | 2451507.000 | 2451517 | 16.6 | 2451517 | 17.5 | n/a | n/a | IAUC 7319 | LOSS | |
| Nova M31 1999 2 | EGV | M31 | 00:42:49.5 | +41:15:06 | 60.0W 63.0S | 2451360.900 | 2451360 | 16.8 | 2451360 | 16.8 | n/a | n/a | IAUC 7218 | LOSS | |
| Nova SMC 1999 4 | EGV | SMC | 00:48:51.7 | -72:30:15.0 | 0.0W 19.0N | 2451394.167 | 2451393 | 17.0 | 2451393 | 17.0 | n/a | n/a | IAUC 7308 | MACHO | |
| 1999dk | Ia | UGC 1087 | 01:31:26.92 | +14:17:05.7 | 14.1W 26.2N | 2451403.000 | 2451402 | 17.1 | 2451402 | 17.1 | n/a | n/a | IAUC 7237 | LOSS | |
| 1999ac | Ia-pec | NGC 6063 | 16:07:15.01 | +07:58:20.4 | 23.9W 29.8S | 2451235.500 | 2451235 | 17.2 | 2451235 | 17.2 | n/a | n/a | IAUC 7114 | LOSS | |
| 1999gw | unk | UGC 4881 | 09:15:54.7 | +44:19:55 | 3.5 | 2451528.650 | 2451528 | 17.5 | 2451528 | 18.4 | n/a | n/a | IAUC 7784 | TNG | |
| Nova M31 1999 5 | EGV | M31 | 00:42:49.7 | +41:16:32 | 61.0W 24.0N | 2451453.700 | 2451453 | 17.5 | 2451453 | 17.5 | n/a | n/a | IAUC 7272 | LOSS | |
| 1999cq | Ib/c | UGC 11268 | 18:32:07.10 | +37:36:44.3 | 1.5W 4.1S | 2451354.900 | 2451354 | 17.5 | 2451354 | 17.5 | n/a | n/a | IAUC 7209 | LOSS | |
| 1999ef | Ia | UGC 607 | 00:58:46.2 | +12:44:45.0 | 20.0W 10.0S | 2451460.500 | 2451460 | 17.5 | 2451460 | 17.5 | n/a | n/a | IAUC 7275 | Jean Mueller and K. Rykoski | |
| 1999et | II | NGC 1643 | 04:43:43.53 | -05:19:19.8 | 5.8E 9.8S | 2451486.800 | 2451486 | 17.6 | 2451486 | 19.5 | n/a | n/a | IAUC 7304 | OaPd | |
| 1999dh | II | IC 211 | 02:11:06.07 | +03:51:06.9 | 29.0E 1.7S | 2451383.000 | 2451382 | 17.7 | 2451382 | 17.7 | n/a | n/a | IAUC 7229 | LOSS | |
| Nova M31 1999 | EGV | M31 | 00:42:43.8 | +41:11:32 | 0.5W 277.0N | 2451192.500 | 2451192 | 17.8 | 2451192 | 17.8 | n/a | n/a | IAUC 7093 | Asiago Astrophysical Observatory | |
| AT1999gy | unk | anonymous | 16:19:58.050 | -01:10:29.09 | 0.0W 0.0N | 2451258.977 | 2451258 | 17.9 | 2451258 | 17.9 | n/a | n/a | TNS | Claude Cornen | |
| 1999fz | Ia | UGC 8164 | 13:02:16.34 | +78:32:29.4 | 5.9E 1.3S | 2451500.900 | 2451500 | 17.9 | 2451500 | 17.9 | n/a | n/a | IAUC 7314 | Tim Puckett et al. | |
| 1999cy | unk | none | 11:18:49.47 | +00:37:08.7 | 7.0W 7.0N | 2451311.860 | 2451311 | 18.0 | 2451311 | 18.0 | n/a | n/a | IAUC 7212 | Marina Wischnjewsky | |
| 1999gf | Ia | UGC 5515 | 10:13:37.00 | -00:56:09.6 | 18.5E 37.6S | 2451507.000 | 2451506 | 18.2 | 2451506 | 18.2 | n/a | n/a | IAUC 7321 | LOSS | |
| 1999A | II | NGC 5874 | 15:07:55.28 | +54:45:40.0 | 29.9W 30.1N | 2451188.500 | 2451188 | 18.2 | 2451188 | 18.2 | n/a | n/a | IAUC 7083 | LOSS | |
| 1999eh | Ib | NGC 2770 | 09:09:32.67 | +33:07:16.9 | 20.0E 5.0S | 2451463.637 | 2451463 | 18.3 | 2451463 | 18.3 | n/a | n/a | IAUC 7282 | Mark Armstrong | |
| 1999ce | Ia | anonymous | 11:28:51.57 | +57:08:04.0 | 1.5W 0.0 | 2451308.700 | 2451308 | 18.3 | 2451308 | 18.3 | n/a | n/a | IAUC 7170 | LOSS | |
| Nova M31 1999 4 | EGV | M31 | 00:42:41.1 | +41:19:11.0 | 43.0E 175.0N | 2451420.800 | 2451420 | 18.5 | 2451420 | 18.5 | n/a | n/a | IAUC 7249 | LOSS | |
| 1999gm | Ia | PGC 24106 | 08:35:11.73 | -08:23:15.4 | 12.1W 1.5S | 2451527.900 | 2451527 | 18.5 | 2451527 | 18.5 | n/a | n/a | IAUC 7334 | LOSS | |
| 1999cx | unk | none | 12:07:49.17 | -20:00:22.8 | 4.0W 7.0S | 2451312.650 | 2451312 | 18.5 | 2451312 | 18.5 | n/a | n/a | IAUC 7212 | Marina Wischnjewsky | |
| 1999bw | IIn/LBV | NGC 3198 | 10:19:46.81 | +45:31:35.0 | 85.8E 83.8S | 2451283.500 | 2451283 | 18.5 | 2451283 | 18.5 | n/a | n/a | IAUC 7149 | LOSS | |
| 1999gr | Ia | MCG +5-29-24 | 12:09:11.31 | +29:16:34.7 | 23.0W 8.0N | 2451525.500 | 2451525 | 18.6 | 2451525 | 18.6 | n/a | n/a | IAUC 7342 | Mark Armstrong | |
| 1999cb | Ia | MRK 881 | 16:25:48.41 | +40:20:32.49 | 11.0E 10.0S | 2451272.610 | 2451272 | 18.8 | 2451272 | 18.8 | n/a | n/a | IAUC 7163 | Odd Trondal | |
| 1999Y | unk | none | 03:36:55.81 | -39:33:04.9 | 0.0 | 2451188.500 | 2451188 | 19.0 | 2451188 | 19.0 | n/a | n/a | IAUC 7106 | The Mount Stromlo Abell Cluster SN Search | |
| 1999dl | unk | anonymous | 23:04:11.70 | +27:07:07.3 | 2.8W 8.9S | 2451401.820 | 2451401 | 19.1 | 2451401 | 19.1 | n/a | n/a | IAUC 7237 | Tim Puckett et al. | |
| Nova IC 1613 1999 | EGV | IC 1613 | 01:04:48.97 | +02:05:28.8 | 4.2E 2.0S | 2451463.800 | 2451463 | 19.1 | 2451463 | 19.1 | n/a | n/a | IAUC 7287 | LOSS | |
| Nova M110 1999 | EGV | M110 | 00:40:22.65 | +41:45:48.4 | 8.0W 280.0N | 2451405.800 | 2451405 | 19.2 | 2451405 | 19.2 | n/a | n/a | IAUC 7240 | LOSS | |
| 1999gs | unk | NGC 4725 | 12:50:26.28 | +25:28:16.5 | 3.0E 105.0S | 2451541.000 | 2451540 | 19.3 | 2451540 | 19.3 | n/a | n/a | IAUC 7345 | LOSS | |
| Nova NGC 6822 1999 | EGV | NGC 6822 | 19:45:00.31 | -14:50:10.3 | 0.0 | 2451352.900 | 2451352 | 19.6 | 2451352 | 19.6 | n/a | n/a | IAUC 7208 | LOSS | |
| 1999eu | II-pec | NGC 1097 | 02:46:20.79 | -30:19:06.1 | 23.0W 157.0S | 2451487.500 | 2451487 | 19.7 | 2451487 | 19.7 | n/a | n/a | IAUC 7304 | Masakatsu Aoki | |
| 1999ad | unk | none | 11:33:18.46 | -05:45:29.8 | 0.9W 2.2S | 2451218.500 | 2451218 | 20.2 | 2451218 | 20.2 | n/a | n/a | IAUC 7117 | EROS collaboration | |
| 1999er | II | MCG -1-8-8 | 02:47:06.88 | -02:57:43.9 | 3.0E 37.7N | 2451452.500 | 2451452 | 20.4 | 2451452 | 20.4 | n/a | n/a | IAUC 7297 | Nearby Galaxy Supernova Search | |
| 1999H | unk | none | 10:07:03.06 | -05:55:26.6 | 1.0E 0.8N | 2451192.500 | 2451192 | 20.6 | 2451192 | 20.6 | n/a | n/a | IAUC 7092 | EROS collaboration | |
| 1999aj | unk | none | 11:22:39.34 | -11:43:53.9 | 1.4W 4.3S | 2451226.500 | 2451226 | 20.9 | 2451226 | 20.9 | n/a | n/a | IAUC 7117 | EROS collaboration | |
| 1999fs | unk | none | 23:27:17.17 | +00:07:50.3 | 0.0 | 2451485.500 | 2451485 | 21.3 | 2451485 | 21.3 | n/a | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999I | unk | none | 10:49:58.09 | -06:14:36.8 | 2.2E 2.7N | 2451193.500 | 2451193 | 21.5 | 2451193 | 21.5 | n/a | n/a | IAUC 7092 | EROS collaboration | |
| 1999dm | unk | MCG +5-36-22 | 15:22:28.90 | +27:42:58.0 | 0.8E 13.1N | 2451348.100 | 2451347 | 21.6 | 2451347 | 21.6 | n/a | n/a | IAUC 7237 | Seoul National University, Supernova Search Project | |
| 1999fq | unk | none | 23:25:46.50 | +00:17:49.2 | 0.0 | 2451485.500 | 2451485 | 21.7 | 2451485 | 21.7 | n/a | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999gx | Ia | none | 00:34:15.47 | +00:04:26.2 | 0.0 | 2451428.580 | 2451428 | 23.3 | 2451428 | 23.3 | n/a | n/a | IAUC 8517 | C. Balland and M. Mouchet | |
| 1999fr | II? | none | 23:27:16.38 | +00:03:46.8 | 0.0 | 2451485.500 | 2451485 | 23.7 | 2451485 | 23.7 | n/a | n/a | IAUC 7346 | High Z Supernova Search | |
| 1999fe | II? | none | 03:03:01.40 | +00:12:50.5 | 0.0 | 2451455.500 | 2451455 | 25.0 | 2451455 | 25.0 | n/a | n/a | IAUC 7311 | Supernova Cosmology Project |
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