@misc{The_Royal_Observatory_Greenwich_New_1868,
 author={The Royal Observatory, Greenwich},
 address={Greenwich},
 howpublished={online},
 year={1868},
 publisher={The Royal Observatory, Greenwich},
 language={eng},
 title={New seven-year catalogue of 2760 stars},
 keywords={star catalogue, the epoch 1864.0, Greenwich observatory},
}