Category:Observational astronomy

A

• Amateur astronomy (4 C, 37 P)
• Astronomical interferometers (1 C, 6 P)
• Astronomical observatories (19 C, 23 P)
• Astronomical spectroscopy (2 C, 33 P)
• Astronomical surveys (13 C, 116 P)

C

• Cosmic background radiation (1 C, 13 P)

E

• Exoplanets detected by direct imaging (62 P)

I

• Astronomical instruments (8 C, 117 P)
• Astronomical imaging (5 C, 77 P)
• Interferometry (2 C, 48 P)

L

• Light pollution (2 C, 28 P)

M

• Lunar observation (1 C, 22 P)

O

• Observational cosmology (6 P)

P

• Photometric systems (16 P)

R

• Radiometry (82 P)

S

• Sky (6 C, 7 P)
• Spectroscopy (19 C, 289 P)
• Stellar occultation (1 C, 7 P)

T

• Telescopes (27 C, 96 P)

• Observational astronomy

0–9

• 2dF Galaxy Redshift Survey
• 6dF Galaxy Survey

A

• AB magnitude
• Aberration (astronomy)
• Absolute magnitude
• Air mass (astronomy)
• Airglow
• ALFALFA
• All Sky Automated Survey for SuperNovae
• Anglo-Australian Near-Earth Asteroid Survey
• Antoniadi scale
• Aperture
• Apparent magnitude
• Astronomical optical interferometry
• Astronomical seeing
• Astronomical spectroscopy
• Astronomical survey
• Astronomy on Mars
• Astronomy on Mercury
• Atlas 3d survey
• Atmospheric refraction
• Averted vision
• Axis of evil (cosmology)

B

• Background (astronomy)
• Blink comparator
• Bolocam Galactic Plane Survey
• Bolometric correction

C

• Calán/Tololo Survey
• Calar Alto Legacy Integral Field Area Survey
• Catalina Real-time Transient Survey
• CfA Redshift Survey
• Cluster Lensing and Supernova survey with Hubble
• Coded aperture
• Coincidence method
• Collimated beam
• Compton scattering
• Coreshine
• Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey
• Cosmic background radiation
• Cosmic infrared background
• Cosmic microwave background
• Cosmic ray astronomy

D

• Deep-sky object
• DEEP2 Redshift Survey
• Discoveries of exoplanets

E

• Earth phase
• Earth-grazing fireball
• Edinburgh-Cape Blue Object Survey
• ESTAR project
• Explorer 10
• Extinction (astronomy)

F

• Faint Images of the Radio Sky at Twenty-Centimeters
• Far-infrared astronomy
• First-magnitude star
• Fizeau interferometer
• Freeman law
• Full moon

G

• Galactic Center GeV excess
• The Galileo Project
• Gamma-ray astronomy
• Gegenschein
• Geometric albedo
• Giant Radio Array for Neutrino Detection
• Globe at Night
• Granat
• Gravitational-wave astronomy
• Great comet
• Gregorian Tower
• Grey atmosphere
• Guide star
• GUSTO (telescope)

H

• Heliacal rising
• High-energy astronomy
• Historical comet observations in China
• History of X-ray astronomy

I

• IACT
• Third-party evidence for Apollo Moon landings
• Infrared astronomy
• Infrared excess
• Intensity mapping
• Interplanetary scintillation
• Isoplanatic patch
• Istituto di Radioastronomia di Bologna

J

• J-PAS
• JPL Small-Body Database

L

• Las Campanas Redshift Survey
• Light pollution
• Limiting magnitude
• List of gravitational wave observations
• Local Volume
• Lockman Hole
• Long-slit spectroscopy
• Luminosity distance
• Lunar occultation of Venus
• Lunar phase

M

• MACHO Project
• Magellan Planet Search Program
• Magnitude (astronomy)
• Malmquist bias
• Messier marathon
• Michelson stellar interferometer
• Minnaert function
• Monte Agliale Supernovae and Asteroid Survey
• Multi-messenger astronomy
• Multi-Object Spectrometer
• MySky

N

• Naked eye
• Night sky
• Noctcaelador
• Nuller

O

• Observation arc
• Observational cosmology
• Lunar observation
• Occultation
• Operation Moonwatch
• Operation Phototrack
• Opposition (astronomy)
• Opposition surge
• Optical window
• OTELO

P

• PALFA Survey
• Pan-Andromeda Archaeological Survey
• Parallactic angle
• Phase angle (astronomy)
• Phase curve (astronomy)
• Phases of Venus
• Photometry (astronomy)
• Planet
• Planetary phase
• Planetshine
• Position angle
• Pre-stellar core
• Public observatory
• Pyramid wavefront sensor

Q

• Quadrature (astronomy)
• Quasi-periodic oscillation (astronomy)

R

• Radar astronomy
• Radio astronomy
• Radiometry
• RAVE (survey)
• Recessional velocity
• Redshift survey
• Regiment of the North Pole
• Reverberation mapping
• Rubin–Ford effect

S

• SAGES Legacy Unifying Globulars and GalaxieS Survey
• Twinkling
• Extraterrestrial sky
• Sky
• Sky brightness
• Sky-Map.org
• SkyScout
• Sloan Digital Sky Survey
• Spectral energy distribution
• Spectroscopy
• Star hopping
• Starfield (astronomy)
• Starlight
• Submillimetre astronomy
• Sufi Observing Competition
• Sun path
• Supernova Legacy Survey
• Surface brightness

T

• Tasimeter
• Taiwanese–American Occultation Survey
• Telluric contamination
• Terrestrial atmospheric lens
• Theoretical astronomy
• Time-domain astronomy
• Timeline of telescopes, observatories, and observing technology
• Transient lunar phenomenon

U

• U.K. Schmidt–Caltech Asteroid Survey
• Umov effect

V

• Visible-light astronomy

W

• Wavefront sensor
• WiggleZ Dark Energy Survey
• Window of opportunity

X

• X-ray astronomy
• X-ray background

Z

• Oliver Zahn
• Zenith camera
• Zenithal hourly rate
• Zero point (photometry)
• Zodiacal light