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US Naval Observatory
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US Naval Observatory
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| USNO Access mode | ||
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| FORM | DESCRIPTION | HELP |
| Query the USNO | Version Disk from CDS |  |
| Query the USNO2 | Version Disk from CDS | |
| Batch query the USNO2 with a coordinate list | Version Disk from CDS | |
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Please report any problems to CADC |  |