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Astronomical coordinate analogous to latitude
In astronomy, declination (abbreviated dec; symbol δ) is the angular distance from the celestial equator on the celestial sphere; when paired with right
Declination
Angle on the horizontal plane between magnetic north and true north
Magnetic declination (also called magnetic variation) is the angle between magnetic north and true north at a particular location on the Earth's surface
Magnetic_declination
Topics referred to by the same term
Look up declination in Wiktionary, the free dictionary. Declination is a noun form of the verb decline and may refer to: Declination, coordinate used in
Declination_(disambiguation)
Calculating the Sun's location in the sky at a given time and place
that the solar declination would decrease linearly with time. Eventually, the Sun would be directly above the South Pole, with a declination of −90°; then
Position_of_the_Sun
Moon stops moving north or south
celestial equator (measured as an angle expressed in degrees called declination of a celestial coordinate system, analogous to latitude). The Moon comes
Lunar_standstill
Equation to derive time of sunset and sunrise
equation can be used to derive the time of sunrise or sunset for any solar declination and latitude in terms of local solar time when sunrise and sunset actually
Sunrise_equation
Instrument used for navigation and orientation
magnetic north, called magnetic declination can vary widely with geographic location. The local magnetic declination is given on most maps, to allow the
Compass
Mounting system for camera or telescope
ascension) is paired with a second perpendicular axis of motion (known as the declination). The equatorial axis of the mount is often equipped with a motorized
Equatorial_mount
Diagrammatic representation of Sun's position over a period of time
("sun fast") vs. declination of the Sun. The north–south component of the analemma results from the change in the Sun's declination due to the tilt of
Analemma
Line between the poles with the same longitude
latitude with the formula. Latitude = (90° – noon altitude + declination) The declination of major stars are their angles north and south from the celestial
Meridian_(geography)
Rhetorical technique to create bias
In rhetoric, emotive or emotional conjugation (also known as Russell's conjugation) is a rhetorical technique used to create an intrinsic bias towards
Emotive_conjugation
Earth's magnetic pole in the Northern Hemisphere
north is called the magnetic declination. Most map coordinate systems are based on true north, and magnetic declination is often shown on map legends
North_magnetic_pole
Study and interpretation of the signatures of the Earth's magnetic field
Pole and the local secular variation to yield a magnetic declination. The magnetic declination at any given time can be frozen into a clay formation that
Archaeomagnetic_dating
Surveying instrument that uses the Sun's direction instead of magnetism
in a set of tables in an almanac. A correction for this declination is made on the declination arc of the compass, which is mounted to rotate on the polar
Burt's_solar_compass
Imaginary point directly above a particular location, on the imaginary celestial sphere
(also "star on top", "overhead star", "latitude star") are stars whose declination equals the latitude of the observers location, and hence at some time
Zenith
Segment of speech that occurs with a single prosodic contour
of tempo; this larger unit is termed a declination unit (DU). At the boundaries (pauses) between declination units, the pitch and tempo reset; for this
Prosodic_unit
Time-telling device
at a positive declination in spring and summer, and at a negative declination in autumn and winter, and having exactly zero declination (i.e., being on
Sundial
Historical place in New Delhi
Yantra turned the basic hug sundial into a precision tool for measuring declination and other related coordinates of various heavenly bodies. The Vrihat
Jantar_Mantar,_New_Delhi
and span thirty-eight constellations of the celestial sphere from the declination of −70° to +89°. Many of the selected stars were named in antiquity by
List_of_stars_for_navigation
Inflection in the Russian language
In Russian grammar, the system of declension is elaborate and complex. Nouns, pronouns, adjectives, demonstratives, most numerals and other particles are
Russian_declension
Atmospheric illumination by the Sun below the horizon
at latitudes less than 48°50' North or South, because then the Sun's declination is less than 23°10' from the Equator; In February or August, astronomical
Twilight
One of the four cardinal directions
difference between it and true north is called the magnetic declination (or simply the declination where the context is clear). For many purposes and physical
North
Part of celestial coordinate system
circle through a given object and the two celestial poles. Together with declination and distance (from the planet's centre of mass), it determines the location
Hour_circle
Celestial coordinate system
east or true west when its declination is of the same name as the ship's latitude and less than the latter. When the declination of the body is of the same
Prime_vertical
Celestial coordinate system used to specify the positions of celestial objects
south. For example, the north celestial pole has a declination of +90°. The origin for declination is the celestial equator, which is the projection of
Equatorial_coordinate_system
Celestial coordinate system
it is equal to 90° or 270°. This does not match up to declination exactly zero or declination extreme value because the celestial latitude of the Sun
Apparent_longitude
Aspect of Latin grammar
The rules can be a bit involved. The diminutive depends on the gender, declination (first, second, etc.) and the root's ending. In general the diminutive
Latin_diminutive
Astronomical instrument for timing of the passage of stars
all times. Revolving the telescope about its axis moves it directly in declination, and objects move through its field of view in right ascension. All objects
Meridian_circle
Astronomical equivalent of longitude
(hour circle of the) point in question above the Earth. When paired with declination, these astronomical coordinates specify the location of a point on the
Right_ascension
Region of space
located 700 million light-years from Earth, at right ascension 14h 50m and declination 46°. The Hercules Superclusters are part of the near edge of the void
Boötes_Void
Class of star chart
centered on one of the celestial poles (polar), while circles of equal declination (for instance 60°, 30°, 0° (the celestial equator), −30°, and −60°) lie
Planisphere
Jupiter-family comet
As of mid-July 2026, the comet is around apparent magnitude 9 with a declination of –16. The orbital dust trail created from particles ejected by the
10P/Tempel
Passage of an astronomical body across the meridian
culmination is equal to 90 minus the observer's latitude (L) plus the object's declination (δ): A = 90° − L + δ. This equation is the basis for the meridian altitude
Culmination
Early astronomical instrument
instrument consists of three rings, representing the celestial equator, declination, and the meridian. It can be used as a sun dial to tell time, if the
Astronomical_rings
Five early C18 observatories in India
seconds by a skilled observer to determine the time of day, and the declination of the Sun and the other heavenly bodies. It is the world's largest stone
Jantar_Mantar
Intersection of Moon's orbit with Earth's ecliptic
This is called major lunar standstill. Around this time, the Moon's declination will vary from −28°36′ to +28°36′. Conversely, 9.3 years later, the angle
Lunar_node
List of constellations by area
boundaries along vertical and horizontal lines of right ascension and declination; however, he did so for the epoch B1875.0, which means that due to precession
IAU designated constellations by solid angle
IAU_designated_constellations_by_solid_angle
Daily appearance and disappearance of the Moon at the Earth's horizon
below it, respectively. The exact times depend on the lunar phase and declination, as well as the observer's location. As viewed from outside the polar
Moonrise_and_moonset
D. and for navigation since the 12th century. Although the magnetic declination does shift with time, this wandering is slow enough that a simple compass
Earth's_magnetic_field
Sundial where the gnomon must be moved
location (determines the location of the hour markers on the ellipse). The declination of the sun (determines the daily gnomon position). Analemmatic sundials
Analemmatic_sundial
Twice-annual astronomical event when the Sun is farthest from above the Earth's equator
and sistere ('to stand still'), because at the solstices, the Sun's declination appears to "stand still"; that is, the seasonal movement of the Sun's
Solstice
Visible star that is nearly aligned with Earth's axis of rotation
declination of +89°32'23", which translates to 1657" (or 0.4603°) from the celestial north pole, in February 2102. Its maximum apparent declination (taking
Pole_star
Asterism
constellation (Aquila, Cygnus, and Lyra, respectively). The greatest declination is +45° and the lowest is +9°, meaning the three stars can be seen from
Summer_Triangle
Arc crossing all meridians of longitude at the same angle
to correct for the changing declination. This was a significant challenge during the Age of Sail, as the correct declination could only be determined if
Rhumb_line
Nautical navigational instrument
sea by measuring the sun's noon altitude (declination) or the meridian altitude of a star of known declination. Not an astrolabe proper, the mariner's astrolabe
Mariner's_astrolabe
Arc-like path that the Sun appears to follow across the sky
a minimum and is equal to the absolute value of latitude minus solar declination angle. This is the basis by which ancient mariners navigated the oceans
Sun_path
Fourth letter in the Greek alphabet
used to represent Dee. A subunit of the F1 sector of the F-ATPase. The declination of an object in the equatorial coordinate system of astronomy. The dividend
Delta_(letter)
Compass error induced by local fields
If not corrected, deviation can lead to inaccurate bearings. Magnetic declination (also called variation) is the angular difference between magnetic north
Magnetic_deviation
Topics referred to by the same term
2020 Canadian thriller drama film Declension, the way words decline Declination (disambiguation) Declinism Decline and Fall (disambiguation) Decline
Decline
Tropical solar phenomenon
and the Tropic of Capricorn at approximately 23.5° S) when the Sun's declination becomes equal to the latitude of the location, so that the date varies
Lahaina_Noon
Semi-annual astronomical event where the Sun is directly above the Earth's equator
defined by the Sun's more regular ecliptic longitude rather than by its declination. The instants of the equinoxes are currently defined to be when the apparent
Equinox
Astronomical phenomenon time
Earth's maximum axial tilt toward the Sun is 23.44°. Likewise, the Sun's declination from the celestial equator is 23.44°. In areas outside the tropics, the
Summer_solstice
Celestial coordinate system
on its meridian measured from the celestial pole, similar to the way declination (dec, δ) is measured from the celestial equator. Polar distance in celestial
Polar_distance_(astronomy)
Astronomical survey (1965-1971)
sky area between the limiting declinations of 63°N and 36°S with a resolution at 1415 MHz of 40 arc minutes in declination. The survey was carried out primarily
Ohio_Sky_Survey
Open star cluster in the constellation of Scorpius
detectable with the naked eye, close to the "stinger" of Scorpius. With a declination of −34.8°, it is the southernmost Messier object. M7 has been known since
Messier_7
Zodiac constellation in the southern celestial hemisphere
these borders lie between 14h 22m 08.08s and 16h 02m 17.23s, while the declination coordinates are between −0.47° and −30.00°. The whole constellation is
Libra_(constellation)
Constellations recognized by the International Astronomical Union
constellation is a region of the sky bordered by arcs of right ascension and declination, together covering the entire celestial sphere. Their boundaries were
IAU_designated_constellations
Capital and largest city of Greenland
Calculators, National Geophysical Data Center. "Magnetic declination in Nuuk, Greenland". Magnetic Declination. Archived from the original on 23 December 2015
Nuuk
Complement of latitude; polar angle
the zenith (overhead point) to Polaris is 90 − 42 = 48°. Adding the declination of a star to the observer's colatitude gives the maximum altitude of
Colatitude
Angle the planets make to each other in the horoscope
of declination above or below the Celestial Equator. They are not widely used by astrologers. A The same declination of two planets. The declination is
Astrological_aspect
Angle between the zenith and the centre of the Sun's disc
a minimum and is equal to the absolute value of latitude minus solar declination angle. This is the basis by which ancient mariners navigated the oceans
Solar_zenith_angle
Brightest star in the constellation Eridanus
from the south celestial pole around 3400 BCE (declination −82° 40′) and still as far south as declination −76° by around 1500 BCE. Hence the Ancient Egyptians
Achernar
Group of stars on the celestial sphere
may include those that lie between declinations 45° north and 45° south, or those that pass through the declination range of the ecliptic (or zodiac) ranging
Constellation
Constellation in the northern celestial hemisphere
these borders lie between 16h 00m 26.64s and 18h 57m 49.50s, while the declination coordinates are between +3.67° and +51.32°. In mid-northern latitudes
Hercules_(constellation)
Constellation in the southern celestial hemisphere
coordinates of these borders lie between 11h 56.13m and 12h 57.45m , while the declination coordinates are between −55.68° and −64.70°. Its totality figures at
Crux
Constellation straddling the celestial equator
+12° 30′ declination. The constellation extends southward to −30° declination. Segments of the ecliptic within Ophiuchus are south of −20° declination (see
Ophiuchus
Millisecond pulsar in the constellation Virgo
Source of Radio) followed by the pulsar's right ascension and degrees of declination. The modern convention prefixes the older numbers with a B meaning the
PSR_B1257+12
Urban legend based on a region in North Atlantic
May 2009. "National Geomagnetism Program | Charts | North America | Declination" (PDF). United States Geological Survey. Archived from the original (PDF)
Bermuda_Triangle
Gap in interstellar dust allowing for observation of the center of the Milky Way Galaxy
92°, which corresponds to a right ascension of 18h 03m 32.14s and a declination of -30d 02m 06.96s, in the direction of the constellation Sagittarius
Baade's_Window
Constellation in the southern celestial hemisphere
Belgian astronomer Eugène Delporte along arcs of right ascension and declination for epoch 1875. These were published in 1930 in the Delimination Scientifique
Reticulum
Meteor shower
+40. It has 14:00 for a right ascension, and a declination of -41 (Right ascension and declination are like latitude and longitude for astronomy). This
Theta_Centaurids
Legal term
to a declination of prosecution, which is an agreement not to prosecute made before any charges are brought or suit has been filed. A declination of prosecution
Nolle_prosequi
Phenomenon wherein objects appear to move about their true positions in the sky
a maximum angle of approximately 20 arcseconds in right ascension or declination. The term aberration has historically been used to refer to a number
Aberration_(astronomy)
Quasar and Lyman-alpha blob in the constellations of Canes Venatici and Coma Berenices
Constellation Canes Venatici and Coma Berenices Right ascension 12h 28m 24.9s Declination +31° 28′ 38″ Redshift 2.219 Distance 3.31 Gpc (10.8 Gly) (light travel
TON_618
History of the study of Earth's magnetic field
(north, east, and down) or spherical (declination, inclination, and intensity). In the latter system, the declination (the deviation from true north, a horizontal
History_of_geomagnetism
Timing of Islamic prayers
calculate prayer times two astronomical measures are necessary, the declination of the sun and the difference between clock time and sundial clock. This
Salah_times
UNESCO World Heritage Site in Jaipur
of major stars as the Earth orbits around the Sun, ascertaining the declinations of planets, and determining the celestial altitudes and related ephemerides
Jantar_Mantar,_Jaipur
Concept in Indian astronomy and astrology
of equal declination, it is styled vaidhṛta. When the moon and sun are upon opposite sides of either solstice, and their minutes of declination are the
Vyatipāta
Sub Earth orbiting PSR B1257+12
Source of Radio) followed by the pulsar's right ascension and degrees of declination. The modern convention prefixes the older numbers with a B meaning the
PSR_B1257+12_A
Measure of observed changes in the apparent locations of stars
often J2000.0) are given in the direction of right ascension (μα) and of declination (μδ). Their combined value is computed as the total proper motion (μ)
Proper_motion
Sixth planet from the Sun
(to orbit) North pole right ascension 40.589°; 2h 42m 21s North pole declination 83.537° Albedo 0.342 (Bond) 0.499 (geometric) Surface temp. min mean
Saturn
Star in the constellation Puppis with a brown dwarf companion
Catalogue of Two-dimensional Spectral Types for the HD Stars. Volume 4, Declinations -26°.0 to -12°.0. Vol. 4. Bibcode:1988mcts.book.....H. HD 63754's database
HD_63754
Swiss astronomer and mathematician (1816–1893)
the year 1852; discovery of a relation between the variations of the declination of the magnetic needle and sunspots]. Mittheilungen der Naturforschenden
Rudolf_Wolf
Black Hole in the constellation Cepheus
hyperluminous, broad-absorption-line quasar, or blazar, located near the high declination region of the constellation Cepheus, near the North Equatorial Pole.
S5_0014+81
Greek astronomer
among the earliest meridian-astronomy observers. Six of his stellar declinations are preserved in the Almagest (7.3). All are exactly correct within his
Aristyllus
A-type dwarf; Corona Australis
Michigan catalogue of two-dimensional spectral types for the HD stars: Declinations −53° to −40°. Vol. 2. Bibcode:1978mcts.book.....H. Corben, P. M. (April
HD_170384
Process by which people are asked to respond to an invitation
required. The phrase "regrets only" refers to the assumption that a declination will be worded with some variation of "We regret that we cannot attend …"
RSVP
Horizontal angle from north or other reference cardinal direction
star given its declination and hour angle at a specific location, modify the formula for a spherical Earth. Replace φ2 with declination and longitude difference
Azimuth
Kreutz sungrazer comet
cross the celestial equator on 30 March 2026. Due to its relatively low declination in the sky relative to the Sun, it will become more favorable to view
C/2026_A1_(MAPS)
Constellation in the northern celestial hemisphere
is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere. The
Boötes
F-type dwarf; Corona Australis
Michigan catalogue of two-dimensional spectral types for the HD stars: Declinations −53° to −40°. Vol. 2. Bibcode:1978mcts.book.....H. Evans, D. S. (1966)
HD_166114
Table of positions of astronomical objects at given times
given in the spherical polar coordinate system of right ascension and declination, together with the distance from the origin if applicable. Some of the
Ephemeris
Galaxy in the constellation Eridanus
data (J2000 epoch) Constellation Eridanus Right ascension 03h 33.171m Declination −13° 39′ Redshift 2018 ± 9 Distance 28.1 Mpc (92 Mly) Apparent magnitude (V)
NGC_1357
Radio source at center of the Milky Way
J2000 Equinox ICRS Constellation Sagittarius Right ascension 17h 45m 40.0409s Declination −29° 00′ 28.118″ Astrometry Radial velocity (Rv) 46 km/s Details Mass
Sagittarius_A
Movable mount for satellite dishes
allow one axis slewing: Declination angle The declination angle or just "declination", from the astronomical term declination for the vertical value (north/south)
Polar_mount
Supercluster in the constellation Centaurus
region, with the right ascension ranging between 198 and 204 degrees and declination ranging between −34 and −29 degrees, includes 11 clusters and groups
Shapley_Supercluster
Satellite galaxy of the Milky Way
merge with the Milky Way in approximately 2.4 billion years. With a declination of about −70°, the LMC is visible as a faint "cloud" from the Southern
Large_Magellanic_Cloud
Radio galaxy in the constellation Phoenix
Mackey, M. B. (September 1964). "The Parkes catalogue of radio sources, declination zone -20° to -60°". Australian Journal of Physics. 17 (3): 340. Bibcode:1964AuJPh
PKS_J0116−4722
Hiatus between prosodic units
Greek παῦσις, pâusis 'stopping, ceasing') is the hiatus between prosodic declination units. The concept is somewhat broad, as it is primarily used to refer
Pausa
Fourteenth-century Korean star map
First Century for the stars with declination less than fifty degrees, and to be near 1395 AD for stars with declination higher than fifty degrees. This
Cheonsang_Yeolcha_Bunyajido
DECLINATION
DECLINATION
DECLINATION
DECLINATION
Girl/Female
Muslim/Islamic
Bright Star
Boy/Male
Indian, Punjabi, Sikh
One Having the Highest Elixir
Girl/Female
Hindu, Indian
Innocent
Surname or Lastname
English and Irish
English and Irish : variant of Ellwood.
Girl/Female
Arabic, Celebrity, Farsi, Gujarati, Hindu, Indian, Iranian, Kannada, Malayalam, Marathi, Muslim, Tamil, Telugu
Goddess of Durga; White Antelope; Gazelle; Gem
Boy/Male
Indian, Sanskrit
Following; Carrying
Boy/Male
French
Pledge.
Boy/Male
Tamil
Chandrpeed | சஂதà¯à®°à¯à®ªà¯€à®¤
Name of Lord Shiva
Girl/Female
Tamil
Boy/Male
Hindu, Indian, Sanskrit
Pond
DECLINATION
DECLINATION
DECLINATION
DECLINATION
DECLINATION
n.
One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23¡ 28/, and parallel to it, which the sun just reaches at its greatest declination north or south, and from which it turns again toward the equator, the northern circle being called the Tropic of Cancer, and the southern the Tropic of Capricorn, from the names of the two signs at which they touch the ecliptic.
n.
The act of inflecting a word; declension. See Decline, v. t., 4.
adv.
In a path near the equator, so that the declination is small, or near the horizon, so that the altitude is small; -- said of the heavenly bodies with reference to the diurnal revolution; as, the moon runs low, that is, is comparatively near the horizon when on or near the meridian.
n.
An instrument for measuring the intensity of magnetic forces; also, less frequently, an instrument for determining any of the terrestrial magnetic elements, as the dip and declination.
n.
An instrument consisting of a telescope so mounted as to have two axes of motion at right angles to each other, one of them parallel to the axis of the earth, and each carrying a graduated circle, the one for measuring declination, and the other right ascension, or the hour angle, so that the telescope may be directed, even in the daytime, to any star or other object whose right ascension and declination are known. The motion in right ascension is sometimes communicated by clockwork, so as to keep the object constantly in the field of the telescope. Called also an equatorial telescope.
n.
Formal declination to take out letters of administration, or to assume an office, privilege, or right.
n.
Distance of any heavenly body south of the equator; south declination; south latitude.
a.
Containing or involving a declination or refusal, as of submission to a charge or sentence.
n.
The angular distance of any object from the celestial equator, either northward or southward.
n.
Position in the heavens, as of a heavenly body; -- usually defined by its right ascension and declination, or by its latitude and longitude.
n.
A hole in the gnomon of a dial, through which passes the ray of light which marks the hour of the day, the parallels of the sun's declination, his place in the ecliptic, etc.
n.
The act or state of declining or refusing; withdrawal; refusal; averseness.
n.
The distance of any heavenly body from the equator northward; north declination.
n.
An instrument for measuring the declination of the magnetic needle.
n.
The arc of the horizon, contained between the vertical plane and the prime vertical circle, if reckoned from the east or west, or between the meridian and the plane, reckoned from the north or south.
n.
The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.
n.
An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector.
n.
The act of deviating or turning aside; oblique motion; obliquity; withdrawal.
n.
The act or state of bending downward; inclination; as, declination of the head.
n.
An instrument for taking the declination or angle which a plane makes with the horizontal plane.