Open Access
Table 1.
Telescopes used for observations.
| Code | Observatory | Country | Aperture | Instrument | No. of data points |
|---|---|---|---|---|---|
| A | Astronomical Observatory Belogradchik | Bulgaria | 60 cm | FLI PL 16803 | 164 B, 1317 V, 1763 R, 1310 I |
| B | National Astronomical Observatory Rozhen | Bulgaria | 2 m | ANDOR iKON-L | 174 B, 445 R |
| C | S.U.T.O. Otivar | Spain | 30 cm | ASI ZWO 1600MM | 93 V, 99 R, 85 I |
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