We present a multi-wavelength photometric and spectroscopic study of a newly discovered candidate cluster [ DBS2003 ]  45 . Our H , Ks photometry confirms that [ DBS2003 ]  45 is a cluster . An average visual extinction A _ { V } \sim 7.1 \pm 0.5 is needed to fit the cluster sequence with a model isochrone . Low resolution spectroscopy indicates that half a dozen early B and at least one late O type giant stars are present in the cluster . We estimate the age of the cluster to be between 5 and 8 Myr based on spectroscopic analysis . Assuming an age of 6 Myr , we fit the observed mass function with a power law , N ( M )  \varpropto  M ^ { - \Gamma } , and find an index \Gamma \sim  1.27 \pm 0.15 , which is consistent with the Salpeter value . We estimate the total cluster mass is around 10 ^ { 3 } M _ { \odot } by integrating the derived mass function between 0.5 and 45 M _ { \odot } . Both mid-infrared and radio wavelength observations show that a bubble filled with ionized gas is associated with the cluster . The total ionizing photon flux estimated from radio continuum measurements is consistent with the number of hot stars we detected . Infrared bright point sources along the rim of the bubble suggest that there is triggered star formation at the periphery of the HII region .