org.soulspace.astronomy.visual — org.soulspace.clj/astronomy.core 0.4.3

angular-resolution clj/s

(angular-resolution aperture wave-length)

Calculates the resolution for the wave length, if given, by the Dawes formula.

aperture-ratio clj/s

(aperture-ratio aperture focal-length)

Calculates the aperture ratio of a given telescope.

beneficial-magnification clj/s

(beneficial-magnification aperture focal-length)

Calculates the normal magnification for the objective.

comfortable-magnification clj/s

(comfortable-magnification aperture focal-length)

Calculates the maximal useful magnification for the objective.

contrast clj/s

(contrast object-luminosity background-luminosity)

Calculates the contrast of between a (spacial) object and the background.

dawes-resolution clj/s

(dawes-resolution aperture)

Calculates the resolution by the Dawes formula.

exit-pupil clj/s

(exit-pupil aperture objective-focal-length ocular-focal-length)

Calculates the exit pupil of the optic with the given eyepiece.

f-factor clj/s

(f-factor aperture focal-length)

Calculates the aperture ratio as a factor of the focal lenght of a given telescope.

field-of-view clj/s

(field-of-view objective-focal-length ocular-focal-length ocular-field-of-view)

Calculates the field of view seen with the given ocular.

geometric-luminous-intensity clj/s

(geometric-luminous-intensity optic-focal-length
                              aperture
                              obstruction
                              ocular-focal-length)

Estimates the geometric luminous intensity of a spacial object.

magnification clj/s

(magnification optic-focal-length ocular-focal-length)

Calculates the magnification from the focal length of the optic and the focal length of the ocular.

magnification-by-aperture clj/s

(magnification-by-aperture aperture exit-pupil)

Calculates the magnification by the aperture of the objective and the exit pupil.

minimal-magnification clj/s

(minimal-magnification aperture focal-length)

Calculates the minimal useful magnification for the objective.

normal-magnification clj/s

(normal-magnification aperture focal-length)

Calculates the normal magnification for the objective.

objective-area clj/s

(objective-area aperture obstruction)

Calculates the effective area of the objective by taking into account the area of the obstruction.

ocular-focal-length clj/s

(ocular-focal-length aperture focal-length exit-pupil)

Calculates the required focal length of an ocular for the given aperture and focal-length of an objective and exit pupil.

rayleigh-resolution clj/s

(rayleigh-resolution aperture)

Calculates the resolution by the Rayleigh formula.

twilight-number clj/s

(twilight-number aperture obstruction optic-focal-length ocular-focal-length)

Calculates the subjective contrast (Daemmerungszahl).

twilight-number-by-magnification clj/s

(twilight-number-by-magnification aperture obstruction magnification)

Calculates the subjective contrast (Daemmerungszahl) by the given magnification.