With the joint effort of entire staffs of the center for operation and development of Guoshoujing telescope, the first year observation mission of the LAMOST regular spectroscopic survey has been already successfully accomplished. The data set of LAMOST data release one (DR1), including spectra of the pilot survey and the first year of the regular spectroscopic survey, have already published to domestic data users and foreign partners. The data information contained in the DR1 are shown as follows.
| Classification | Pilot Survey | The First Year SpectroscopicSurvey |
| Objects (s/n> 10） | 592,785 | 1,213,227 |
| Objects (s/n>2） | 717,660 | 1,487,200 |
| Stars | 648,820 | 1,295,586 |
| Galaxies | 2,723 | 9,359 |
| Unknown | 65,496 | 177,859 |
| Stars with Atmospheric Parameters | 373,481 | 711,923 |
Domestic astronomers and foreign partners can log in the website http://dr1.lamost.org to download released data. If you have any questions on the LAMOST published data , you can refer to the document of http://dr1.lamost.org/doc/data-production-description