850 μm continuum emission of the L1688 region mapped by the Submillimeter Common-User Bolometer Array (SCUBA; Di Francesco et al. 2008), the beam size is 229. Contour levels go from 0.2 Jy beam^-1 in steps of 0.2 Jy beam^-1 (3σ). The dense cores studied here are indicated with blue filled squares and young stellar objects with open circles. The (0,0) offsets correspond to the J2000 equatorial position α = 16^h00^m00^s, δ = −24°00′00′′. The fits file used to produce this map is available at http://www.cadc-ccda.hia-iha.nrc-cnrc.gc.ca/data/pub/JCMTSL/scuba_F_850umemi, file name scuba_F_353d1_16d8_850um.emi.fits