# GEO to GEO at 1000 km, exposed 0.2 s at f/4 as a surveillance camera would: the # target a few pixels across and far past saturation, in a field of stars to the # catalog's limit, about V 15, which gives a few DN. # A 1 m, f/4 telescope (25 cm aperture, 5.5 urad per pixel, 0.6 by 0.34 # degrees) on one geostationary satellite, imaging an SSL-1300 1000 km ahead along # the arc, lit at a phase of 30 degrees, against the stars toward the Milky Way in # Monoceros. Stars are drawn at lighting L1 with camera C1 (scripts/fetch-stars.py). # Generated by scripts/make-example-scenes.py; the model comes from # scripts/fetch-models.sh. # # resolved render --scene --lighting L1 --camera C1 --pretty --preview geo.png sun = [101746122115, -106547756265, 25977397630] moon = [0, -384400000, 0] earth_velocity = [-19407.62, -20723.58, -8984.77] [camera] focal_length = 1.0 f_number = 4.0 exposure = 0.2 # Calibrated: hot pixels mapped out, all but 1 value in a million. hot_pixels = [1e-6, 50] [observer] position = [41083339.41, 9484836.26, 0.00] look_at = [40846855.46, 10456447.53, 0.00] up = [0, 0, 1] velocity = [-691.66, 2995.90, 0.00] # At lighting L1, Earth's surface shows July (from scripts/fetch-earth.sh), and lights # the target's Earth-facing side. [appearance] earth_month = 7 [[target]] model = "../models/nasa/ssl1300.glb" scale = 0.1 position = [40846855.0383, 10456447.7315, 0.2096] attitude = [0.466967605, 0.081764177, 0.291661326, -0.830776472]