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Table 1
Summary of the observations.
| Object | Instrument | Filter | Date |
|
|
|||
| B335 | ISAAC/VLT | Js | 2012 Mar.-May |
| CB68 | ISAAC/VLT | Js | 2012 Mar.-May |
| IFOSC/IGO | R | 2012 Mar. 21–22 | |
| CB54 | SOFI/NTT | Js | 2013 Jan. 24–26 |
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