All-sky observation produced by a single LOFAR station (station FR606 in Nançay, France) and created offline by correlating the signals from each of the individual dipoles in the station. The station level data collection and processing is described in Sect. 4.4−4.7. The observation was taken at a frequency of 60 MHz, with a bandwidth of only 195.3125 kHz (1 subband). The integration time was 20 s. Even with this limited dataset, Cassiopeia A, Cygnus A, and the Galactic plane are all clearly visible. The left panels show images made from uncalibrated station data while the calibrated images are shown on the right. The upper and lower panels give images for the X and Y polarizations, respectively.
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