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Diffraction spike

Diffraction spikes are lines radiating from bright light sources, causing what is known as the starburst effect or sunstars in photographs and in vision. They are artifacts caused by light diffracting around the support vanes of the secondary mirror in reflecting telescopes, or edges of non-circular camera apertures, and around eyelashes and eyelids in…

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In vision

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Map overview Semantic statistics

Diffraction spike

Nodes39
Edges38
Triples56
Avg. degree1.95
Density0.051282
Components1

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Diffraction spike

Top relations

related to External links · 16
Diffraction spike → Astronomy Picture, Bastian, Best, Brady Haran, Day, Deep Sky Videos, Diffraction, Diffraction Spikes, July, Kratzke, Merrifield, Michael, Nik, Sunstars, Szymanek, Using
related to Support vanes · 9
Diffraction spike → Although, Bethlehem, CCD, Fourier, In, No, Star, The, This
related to Segmented mirrors · 7
Diffraction spike → As, Images, James Webb Space Telescope, JWST, NGC, The, Westerlund
related to Bahtinov mask · 6
Diffraction spike → Bahtinov, Changing, Half, In, Light, When
related to In vision · 5
Diffraction spike → After, Diffraction, If, In, This
related to Non-circular aperture · 5
Diffraction spike → As, Consequently, Diffraction, Iris, While
related to Obstructions · 4
Diffraction spike → Chicago, Near, Similar Manhattanhenge, Sun

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Important terminology

spikes diffraction light telescopes star bright support around mirror effect vision vanes aperture small number blades secondary eyelashes ccd mask

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
astigmatisminstance ofEarly off-axis designs such as the Herschelian and the Schiefspiegler telescopes have serious limitations0.80text
long focal ratiosinstance ofEarly off-axis designs such as the Herschelian and the Schiefspiegler telescopes have serious limitations0.80text
which make them useless for researchinstance ofEarly off-axis designs such as the Herschelian and the Schiefspiegler telescopes have serious limitations0.80text
an isolated bright star reaching different quadrants of the primary mirror or lens is first passed through grilles at three different orientationsinstance ofLight from a bright point0.80text
Diffraction spikerelated to Bahtinov maskIn0.60section
Diffraction spikerelated to Bahtinov maskBahtinov0.60section
Diffraction spikerelated to Bahtinov maskLight0.60section
Diffraction spikerelated to Bahtinov maskHalf0.60section
Diffraction spikerelated to Bahtinov maskChanging0.60section
Diffraction spikerelated to Bahtinov maskWhen0.60section
Diffraction spikerelated to External linksDiffraction0.60section
Diffraction spikerelated to External linksAstronomy Picture0.60section

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