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12 Aug 2026 total eclipse
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At totality the Sun is 3.2–6.7° high, near azimuth 285° (WNW)
N
E
S
W
. This map estimates terrain clearance.
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Model and data pipeline ↗
Map field
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Eclipse Visibility Index
Terrain clearance — Sun minus horizon
Visible fraction of totality
Terrain-horizon angle
Duration of totality
Sun altitude
Distance to limiting terrain
Relative to reference marker
blocked by terrain
outside totality
Colour scale
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Automatic for selected field
Magma
Inferno
Viridis
Plasma
Cividis (colour-blind safe)
Turbo (high contrast)
Blues
Orange–red
Greyscale
Red–yellow–green
Red–white–blue
Spectral
Brown–teal
Reverse the ramp
Fixed global range
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Stretch to current view
local scale
EVI parameters
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Required clearance
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°
0.27° places the full solar disc above the modelled horizon.
Full-margin clearance
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°
Extinction τ
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Extinction multiplier: exp(−τ × airmass). Set τ = 0 to disable it.
Heatmap opacity
Basemap
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OpenStreetMap
IGN PNOA aerial imagery
IGN MTN topographic map
No basemap
Roads & place names on top
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Basemap brightness
Terrain
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DEM hillshade
Relief exaggeration
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Contours off
Contour lines
Stepped bands
every 25 m
every 50 m
every 100 m
every 200 m
every 500 m
Contour opacity
3D view toward the Sun
3D exaggeration
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Overlays
Totality limits and central line
Duration contours
GenCat reference map
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GenCat published observation points
Time display
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Spanish peninsular time (CEST, UTC+2)
UTC
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