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The AAVSO International Database is a repository of variable star observations contributed by amateur and professional astronomers worldwide. Use the form below to search for observations of specific stars or by specific observers.
Found 72 records
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| # | Target | Observer | Julian Date | UTC Date | Magnitude | Uncertainty | Band | Type |
|---|---|---|---|---|---|---|---|---|
| 1 | CH Cyg | KOC | 2450874.5000 | 1998-03-02 00:00 | 9.6 | N/A | Visual | Visual |
| 2 | CH Cyg | SSW | 2450874.5000 | 1998-03-02 00:00 | 9.4 | N/A | Visual | Visual |
| 3 | CH Cyg | GRL | 2450874.5500 | 1998-03-02 01:11 | 9.7 | N/A | Visual | Visual |
| 4 | CH Cyg | DSG | 2450874.6715 | 1998-03-02 04:06 | 9.169 | 0.002 | Johnson V | PEP |
| 5 | CH Cyg | VED | 2450874.7000 | 1998-03-02 04:48 | 9.2 | N/A | Visual | Visual |
| 6 | CH Cyg | COL | 2450875.0400 | 1998-03-02 12:57 | 9.7 | N/A | Visual | Visual |
| 7 | CH Cyg | FMR | 2450875.5690 | 1998-03-03 01:39 | 9.1 | N/A | Visual | Visual |
| 8 | CH Cyg | MVR | 2450875.6000 | 1998-03-03 02:24 | 9.4 | N/A | Visual | Visual |
| 9 | CH Cyg | HSG | 2450876.0146 | 1998-03-03 12:21 | 9.7 | N/A | Visual | Visual |
| 10 | CH Cyg | HSG | 2450876.9750 | 1998-03-04 11:24 | 9.7 | N/A | Visual | Visual |
| 11 | CH Cyg | GRL | 2450877.5900 | 1998-03-05 02:09 | 9.7 | N/A | Visual | Visual |
| 12 | SN 1998S | SUX | 2450877.6458 | 1998-03-05 03:29 | 13.0 | N/A | Visual | Visual |
| 13 | CH Cyg | SDQA | 2450877.7222 | 1998-03-05 05:19 | 9.3 | N/A | Visual | Visual |
| 14 | SN 1998S | KTO | 2450878.3800 | 1998-03-05 21:07 | 13.1 | N/A | Visual | Visual |
| 15 | CH Cyg | VFK | 2450878.5000 | 1998-03-06 00:00 | 9.7 | N/A | Visual | Visual |
| 16 | CH Cyg | SJZ | 2450878.6320 | 1998-03-06 03:10 | 9.4 | N/A | Visual | Visual |
| 17 | CH Cyg | DNO | 2450878.7000 | 1998-03-06 04:48 | 9.4 | N/A | Visual | Visual |
| 18 | CH Cyg | VED | 2450878.7000 | 1998-03-06 04:48 | 9.3 | N/A | Visual | Visual |
| 19 | SN 1998S | KTO | 2450879.2900 | 1998-03-06 18:57 | 13.1 | N/A | Visual | Visual |
| 20 | SN 1998S | KTO | 2450879.6200 | 1998-03-07 02:52 | 13.2 | N/A | Visual | Visual |
| 21 | CH Cyg | GRL | 2450879.6300 | 1998-03-07 03:07 | 9.7 | N/A | Visual | Visual |
| 22 | SN 1998S | MRV | 2450879.8229 | 1998-03-07 07:44 | 12.8 | N/A | Visual | Visual |
| 23 | SN 1998S | KTO | 2450880.3300 | 1998-03-07 19:55 | 13.1 | N/A | Visual | Visual |
| 24 | SN 1998S | PUJ | 2450880.3333 | 1998-03-07 19:59 | 12.5 | N/A | Visual | Visual |
| 25 | SN 1998S | OJR | 2450880.3500 | 1998-03-07 20:24 | 13.1 | N/A | Visual | Visual |