UKIDSS image at Ks band of MYSO G79. The blue and red contours represent the JCMT ¹²CO J = 3–2 emission averaged from −6 to −12 km s⁻¹ (blue lobe), and from 2 to 8 km s⁻¹ (red lobe), respectively. The blue contours are at 1, 2, and 3 K and the red contours are at 2, 3, and 4 K. The σ noise level is 0.3 K. The averaged spectra (in a beam area) toward the center of the two features are shown. The vertical dashed green lines represent the systemic velocity of the source (at about −1.7 km s⁻¹). The circle of 14.″5 in diameter at the bottom right corner represents the JCMT beam.