| "Johann Kepler" Astronomical Observatory at "Vasil Levski" Secondary School | Troyan | — |
| Andromeda Astronomical Observatory | Stolichna obshtina | — |
| Astronomical Center of Shumen University | Shumen | — |
 Astronomical Observatory and Planetarium "Nicolaus Copernicus" | Municipio de Varna | 14 m |
| Astronomical Observatory and Planetarium - Yambol | Yambol | — |
| Astronomical Observatory at the Youth Center - Haskovo | Haskovo | — |
 Astronomical observatory Gabrovo | Gabrovo | — |
| Astronomical Observatory of Shumen university | Shumen | 493 m |
 Basic Environmental Observatory - Musala | — | 2.925 m |
 Belogradchik Observatory | Belogradchik | — |
| Giordano Bruno National Astronomical Observatory and Planetarium | Dimitrovgrad | — |
| National Astronomical Observatory "Galileo Galilei" | Silistra | — |
| National Astronomical Observatory "Slavey Zlatev" | Kardzhali | — |
 Observatorio Astronómico Nacional de Rozhen | Provincia de Smolyan | 1.759 m |
| Observatory "Stellar Society" | Yundola | — |
| Panagjurishte Magnetic Observatory | Pazardzhik | 556 m |
| Plana Geodetic Observatory | Plana | 1.300 m |
| Sliven Observatory | Sliven | — |
| Smolyan Planetarium | Smolyan | — |
 Sofia University Astronomical Observatory | Sredets | — |
| Student Astronomical Observatory, Department of Astronomy - Plana | Stolichna obshtina | — |
| Yuri Gagarin National Astronomical Observatory and Planetarium | Stara Zagora | — |