Image of NGC 4945 from the Palomar Sky Survey1. The cross indicates the position for NGC 4945 used in our APEX SEPIA Band 5 observations: α2000 = 13:05:27.28, δ2000 = −49:28:04.4. The circle indicates the half-power beamwidth (HPBW) of the APEX observations. At a sky frequency of 182.981 GHz this corresponds to 31.8′′, or 570 pc at a distance of 3.7 Mpc.
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