| 3C446-20200821-S001-R001-B-000920.fts |
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| Only less than 50 stars was detected |
| 3C446-20200821-S001-R001-I-001315.fts |
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| Only less than 50 stars was detected |
| 3C446-20200821-S001-R001-R-001157.fts |
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| Only less than 50 stars was detected |
| 3C446-20200821-S001-R001-V-001041.fts |
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| Only less than 50 stars was detected |