Flagship galaxy catalogue: stripes show sections of the lightcone for z < 3 for dark matter haloes (top panel), the photometric sample for I_E < 24.5 (middle), and an Hα spectroscopic galaxy sample for a flux cut f_Hα > 2 × 10⁻¹⁶ erg cm⁻² s⁻¹ (bottom), which selects galaxies only within the range 0.9 < z < 1.8 given the NISP red grism wavelength coverage. The stripe abscissae share the same scaling in comoving distance. The colour scaling in each panel depends on the density of the sample.