Observational astronomy

A

• Amateur astronomy (1 C, 40 P)
• Astronomical interferometers (1 C, 2 P)
• Astronomical observatories (8 C, 31 P)
• Astronomical spectroscopy (2 C, 31 P)
• Astronomical surveys (6 C, 116 P)

C

• Cosmic background radiation (1 C, 13 P)

E

• Exoplanets detected by direct imaging (63 P)

I

• Astronomical instruments (3 C, 111 P)
• Astronomical imaging (2 C, 80 P)
• Interferometry (1 C, 59 P)

O

• Observational cosmology (6 P)

P

• Photometric systems (12 P)

R

• Radiometry (74 P)

S

• Spectroscopy (14 C, 308 P)

T

• Telescopes (23 C, 94 P)

• Astronomy:Observational astronomy

2

• Astronomy:2dF Galaxy Redshift Survey

6

• Astronomy:6dF Galaxy Survey

A

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

B

• Astronomy:Blink comparator
• Astronomy:Bolocam Galactic Plane Survey
• Astronomy:Bolometric correction

C

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

D

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

E

• Astronomy:Earth phase
• Astronomy:Earth-grazing fireball
• Astronomy:Edinburgh-Cape Blue Object Survey
• Astronomy:Explorer 10
• Astronomy:Extinction

F

• Astronomy:Far-infrared astronomy
• Astronomy:First-magnitude star
• Astronomy:Fizeau interferometer
• Astronomy:Freeman law
• Astronomy:Full moon

G

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

H

• Astronomy:Heliacal rising
• Physics:High time-resolution astrophysics
• Astronomy:High-energy astronomy
• Astronomy:Historical comet observations in China
• Astronomy:History of X-ray astronomy

I

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

J

• Astronomy:J-PAS
• Astronomy:JPL Small-Body Database

L

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

M

• Astronomy:MACHO Project
• Astronomy:Magellan Planet Search Program
• Astronomy:Malmquist bias
• Astronomy:Messier marathon
• Astronomy:Michelson stellar interferometer
• Astronomy:Minnaert function
• Astronomy:Monte Agliale Supernovae and Asteroid Survey
• Astronomy:Multi-messenger astronomy
• Astronomy:MySky

N

• Astronomy:Naked eye
• Astronomy:Night sky
• Astronomy:Noctcaelador
• Astronomy:Nuller

O

• Astronomy:Observation arc
• Astronomy:Observational cosmology
• Astronomy:Lunar observation
• Astronomy:Occultation
• Astronomy:Operation Moonwatch
• Astronomy:Operation Phototrack
• Physics:Opposition surge
• Astronomy:Optical window
• Astronomy:OTELO

P

• Astronomy:PALFA Survey
• Astronomy:Pan-Andromeda Archaeological Survey
• Physics:Phase angle
• Physics:Phase curve
• Astronomy:Phases of Venus
• Astronomy:Planet
• Astronomy:Planetary phase
• Astronomy:Planetshine
• Astronomy:Pre-stellar core
• Astronomy:Public observatory

Q

• Astronomy:Quasi-periodic oscillation

R

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

S

• Astronomy:SAGES Legacy Unifying Globulars and GalaxieS Survey
• Astronomy:Twinkling
• Astronomy:Shallow sky
• Astronomy:Extraterrestrial skies
• Astronomy:Extraterrestrial sky
• Astronomy:Sky
• Astronomy:Sky brightness
• Astronomy:Sky-Map.org
• Astronomy:SkyScout
• Astronomy:Sloan Digital Sky Survey
• Physics:Spectral energy distribution
• Physics:Spectroscopy
• Astronomy:Star hopping
• Astronomy:Starlight
• Astronomy:Strawberry Supermoon
• Astronomy:Submillimetre astronomy
• Astronomy:Sufi Observing Competition
• Astronomy:Sun path
• Astronomy:Supernova Legacy Survey
• Astronomy:Surface brightness

T

• Astronomy:Tasimeter
• Organization:Taiwanese–American Occultation Survey
• Astronomy:Terrestrial atmospheric lens
• Physics:Theoretical astronomy
• Astronomy:Time domain astronomy
• Astronomy:Time-domain astronomy
• Engineering:Timeline of telescopes, observatories, and observing technology
• Astronomy:Transient lunar phenomenon

U

• Astronomy:U.K. Schmidt–Caltech Asteroid Survey
• Astronomy:Ultra diffuse galaxy
• Astronomy:Umov effect

V

• Astronomy:Visible-light astronomy

W

• Astronomy:Wavefront sensor
• Astronomy:WiggleZ Dark Energy Survey
• Earth:Window of opportunity

X

• Astronomy:X-ray astronomy
• Astronomy:X-ray background

Z

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