This is a list showing the SETI searches that was conducted in the optical and near infrared spectrum of the EM spectrum. 
This list contains the results from searches conducted in 1977 up to present day research.  
To see the bibliographic information, click on the title of the search you’re interested in.  

TitleDateObserversSiteObjectsInstrument Size (m)Flux Limit (W/m^2)Search Wavelength (nm)ResolutionHours ObservedLink
MANIA 1973-1974 SHVARTSMAN, ET AL. SPECIAL ASTROPHYSICAL OBSERVATORY 21 PECULIAR OBJECTS 0.6 550Δt = 10-7 to 100 seconds FULL PAPER
Methods and Results of an Optical Search for Extraterrestrial Civilizations 1978-1996 SHVARTSMAN, ET AL. SPECIAL ASTROPHYSICAL OBSERVATORY 93 OBJECTS 63 x 10-4 550Δt = 10-7 seconds 250FULL PAPER
A Search for Linear Alignments of Gamma Ray Burst Sources 1978-1980 MICHAEL J. HARRIS INTERPLANETARY NETWORK DATA 54 GAMMA RAY BURST EVENTS PIONEER VENUS & VENERA 11 & 12 SPACECRAFT 20 keV – 1 MeV FULL PAPER
A search for natural or artificial objects located at the Earth-Moon libration points 1979FREITAS,VALDES LEUSCHNER OBSERVATORY, UCB STABLE “HALO ORBITS” ABOUT L4 & L5 LIBRATION POINTS IN EARTH-MOON SYSTEM 0.76mv = 14 (magnitude) 550 30FULL PAPER
IR EXCESS FROM DYSON SPHERES 1980WITTEBORN NASA – U OF A, MT. LEMON 20 STARS 1.5N MAGNITUDE EXCESS 8500 – 13500 1 micron 50BLURB (P. 5)
SETA 1981-1982 VALDES,FREITAS KPNO EARTH-MOON THROUGH L5, SUN-EARTH L1, L2 0.61mv = 19 (magnitude) 550 70FULL PAPER
DYSON SPHERE SEARCH USING IRAS DATABASE 1983Richard A. Carrigan Jr ~7000 1527 sources 0.60.5 Jy 12000, 25000, 60000 3 color bands ~7000 hours FULL PAPER
A Search in the Infrared to Microwave for Astroengineering Activity 1984SLYSH IRAS Satellite 200,000 objects 0.60.5 Jy 12000, 25000, 60000, 100000 ~7000 hours FULL PAPER
A Search for Dyson Spheres Around Late-Type Stars in the Solar Neighborhood 1993JUGAKU, NOGUCHI , NISHIMURA INFRARED TELESCOPE OF INSTITUTE OF SPACE AND ASTRONAUTICAL SCIENCE, JAPAN AND INFRARED TELESCOPE AT XINGLONG STATION OF THE BEIJING ASTRONOMICAL OBSERVATORY 180 SOLAR-TYPE STARS 1.3, 1.26 220012000 FULL PAPER
Prototype Optical SETI Observatory (COSETI) 1995-1998 KINGSLEY COLUMBUS OPTICAL SETI OBSERVATORY, OHIO NEARBY SOLAR-TYPE STARS 0.25TRANSMITTERS WITH PEAK INSTANTANEOUS POWER > 10 18 W 550 SUMMARY
Proposed SETI Search with ISO 1996-1998 TILGNER, HEINRICHSEN, KRUGER ISO (INFRARED SPACE OBSERVATORY) SATELLITE, ISOPHOT PHOTOPOLARIMETER 6 SOLAR-TYPE STARS AND 1 INFRARED-EXCESS TARGET STAR 0.6[(30 – 90) x 10-29] (S/N = 10) 3000 – 100000 0.2 MICRONS (3 MICRON FILTER BAND) 51 MICRONS (90 MICRON FILTER BAND) 1.3 HOURS (GUARANTEED SCHEDULE) FULL PAPER
SEVENDIP 1997-2007 WERTHIMER LEUSCHNER OBSERVATORY 2500 nearby stars + globular clusters and nearby galaxies 0.761.5 x 10-9 PEAK DURING 1ns PULSE;OR 1.5 x 10-20 AVERAGE PER 100 SECOND OBSERVATION 300 – 650 200ABSTRACT
A search for Dyson spheres around late-type stars in the solar neighborhood III 1997 (A) JUGAKU Archival from IRAS Nishimura”(A) 50 stars (B) 135 stars (C) 19 stars” 2200 – 12000 FULL PAPER
Harvard OSETI – Initial Exoplanet Searches 1998-2005 HOROWITZ ET AL. (HARVARD OPTICAL SETI) OAK RIDGE OBSERVATORY 13000 SOLAR-TYPE STARS OF WHICH 4000 OBSERVED TO DATE 1.54 x 10-9 PEAK IN -20 AVERAGE PER 500 SECOND OBSERVATION;OR 4 x 10-20 AVERAGE PER 500 SECOND OBSERVATION 350 – 700 2400FULL PAPER
Reanalysis of Doppler Wobble Data for Laser Signals with HIRES at KECK 1998-2002 Reines A.E., Marcy G.W. LICK, KECK 577 FGK STARS WITHIN 100 pc 103.4 x 10-17 400 – 500 5 km s-1 500FULL PAPER
A search of the IRAS database for evidence of Dyson Spheres 2000-2005 Timofeev M.Y., KARDASHEV N.S., Promyslov V.G Archival from IRAS IRAS Database 0.60.5 Jy 10000-10000000 ~7000 hours FULL PAPER
LICK OSETI 2000-2005 DRAKE ET AL., LICK OPTICAL SETI LICK OBSERVATORY, UC SANTA CRUZ 5039 SOLAR-TYPE STARS PLANNED 1 (NICKEL REFLECTOR) 1 x 10-9 PEAK DURING 1 ns PULSE;OR 1 x 10-20 AVERAGE 550 SUSPENDED IN SPRING 1999 ABSTRACT
Cambeltown Australia OSETI 2000-2006 BHATHAL R., DARCY CAMPBELLTOWN ROTARY OBSERVATORY, OZ OSETI 200 SOLAR-TYPE STARS AND 25 GLOBULAR CLUSTERS 0.4, 0.3 6 x 10-9 PEAK DURING 1ns PULSE 550 WEBSITE
A search for Dyson spheres around late-type stars in the solar neighborhood III 1997 (A) JUGAKU Archival from IRAS Nishimura”(A) 50 stars (B) 135 stars (C) 19 stars” 2200 – 12000 FULL PAPER
Harvard OSETI with Princeton 2001-2002 Wilkinson, Deffenbaugh N. (Harvard Optical Seti Fitz-Randolph Observatory Same Targets Simultaneously as Harvard OSETI program 0.913.4 x 10-17 350 – 700 FULL PAPER
Optical SETI observations with the NAYUTA telescope 2004-2009 Narusawa NAYUTA telescope at Nishi-Harima Astronomical Observatory (NHAO) 13 F, G, K, M stars 21016 W 487 – 577 0.6 Å 56 nights FULL PAPER (p.1), FULL PAPER (p.2)
Optical and Radio Searches on Dyson Sphere Candidates 2004Conroy Charlie, Werthimer Dan, Dyson Sphere Search Leuschner Observatory; optical SETI pulse search; Serendip IV; SETI@home 32 stars from IRAS and 2MASS catalog 0.76~3 sigma above mean 390 – 700 UNAVAILABLE
A search for Dyson spheres around late-type stars in the solar neighborhood III 1997 (A) JUGAKU Archival from IRAS Nishimura”(A) 50 stars (B) 135 stars (C) 19 stars” 2200 – 12000 FULL PAPER
OSETI with Imaging Cherenkov Telescopes 2005Holder et. al. VERITAS (Whipple) HIP 107395 1010 photons/m2 Temporal resolution: a few ns 0.467FULL PAPER
Initial Results from Harvard All-Sky Optical SETI 2006-2015 Howard Andrew, Horowitz Paul, Mead Curtis Oak Ridge Observatory Survey of 80% of the sky 1.810 photons/m2 per nanosecond 150FULL PAPER
Search for Dyson Spheres using the IRAS catalog 2008Carrigan D. Archival from IRAS 17 stars with Planckian distributions 0.60.5 Jy 12000, 25000, 60000 ~7000 hours FULL PAPER
OSETI with STACEE 2009Hanna et al. Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE) 187 stars 64 heliostats (37 square meter area) 10 photons/m2 420Temporal resolution: 12 ns 31.17FULL PAPER
Project SAZANKA 2011Narusawa S., Fujishita M., Team Sazanka 26 optical telescopes. Including 2 m Nayuta 30 arc-minute field of the Cassiopeia constellations 2 m Nayuta, +25 others ABSTRACT
SOFOS (The Scanning Observatory For Optical SETI) 2013Covault, Corbin Scanning Observatory for Optical SETI (SOFOS) 3.510 photons/m2 ABSTRACT
The G-hat Infrared Search for Extraterrestrial Civilizations with Large Energy Supplies 2014-2016 Wright et. al. Archival from WISE ~ 105 galaxies 3400, 4600, 12000, 22000 FULL PAPER (p.1), FULL PAPER (p.2), FULL PAPER (p.3), FULL PAPER (p.4)
A Search for Optical Laser Emissions Using Keck HIRES 2015Tellis N.K., Marcy G.W. Archival from CPS exoplanet survey, Keck, Lick 2796 stars, including 1368 Kepler Objects of Interest (KOIs) that host one or more exoplanets 10 m 3.45E-21;3.45E-19 3640-7890 A FULL PAPER
The Breakthrough Listen Search for Intelligent Life 2015-ON Breakthrough Listen Team Automated Planet Finder (Lick Observatory)Green Bank Telescope Parkes Telescope 1649 main sequence and giant stars 123 galaxies of varying morphology: spirals, ellipticals, dwarf spherioidals, and irregulars 2.4, 100, 64 > 1013 W at 1.1-1.9 GHz,;1.7 x 10-25 374 – 950 R = 10 5, Temporal Resolution: 18 seconds Ongoing, 400 hours published FULL PAPER
A SEARCH FOR BRIEF OPTICAL FLASHES ASSOCIATED WITH TABBY’S STAR 2015Abeysekara et. al. VERITAS KIC 8462852 12 1 photons/m2 300 – 500 Temporal resolution: 1 ns 526 minutes FULL PAPER
OPTICAL SETI OBSERVATIONS OF THE ANOMALOUS STAR KIC 8462852 (Tabby’s Star) 2015Schuetz et. al. Boquete Optical SETI Observatory KIC 8462852 0.5 67 photons/m2 350 – 600 Temporal resolution: 25 ns < 6 hours FULL PAPER
Reanalysis of Doppler Wobble with upgraded HIRES @ Keck 2015 (A), 2017 (B) Nathaniel K. Tellis and Geoffrey W. Marcy Keck-I/HIRES (A) 2796 F, G, K and M stars (B) 5600 F, G, K and M stars 10(A) > 90 W and 1kW if ;(B) > 3 kW – 13 MW (independent of distance) 364 – 789 R = 60000 (5.6 km/s) (A)SNR ~100-200 (B)decade worth of data FULL PAPER (A), FULL PAPER (B)
NIROSETI 2016-ON Maire et. al. (NIROSETI) Lick Observatory/Nickel Telescope 1340 objects, including main-sequence and giant stars, 20 spirals, 36 ellipticals, 15 dwarf spheroidals, 9 irregulars, and 2 SO galaxies 1380 photons/m2 950 – 1650 Temporal resolution: 0.4 ns ONGOING FULL PAPER
The Vanishing & Appearing Sources during a Century of Observations project: 1. USNO objects missing in modern surveys and follow-up observations of a “missing stars” 2017-2019 – it goes on! Villarroel B. et al. 90 million USNO objects (15% of our sample) 350 – 1000 1.7 arcsec/pixel https://technos…
The trillion planet survey: an optical search for directed intelligence in M31 2017-ON Stewart, Andrew ; Lubin, Philip Sedgewick Reserve, Santa Barbara, CA M31 (Andromeda) 0.8 m reflecting telescope 100 photons/ m2 390 – 700 100 photons/nanosecond ONGOING ABSTRACT
SETI WITH GAIA: SEARCH FOR DYSON SPHERES 2017Zackrisson Erik, Korn J. Andreas, Wehrhahn Ansgar Roque de los Muchachos Observatory TYC 6111-1162-1 2.56 370-830 Resolving Power = 67,000 1 hour FULL PAPER
Search for Nanosecond Near-infrared Transients around 1280 Celestial Objects 2019Maire, J. et al Nickel Telescope, Lick Observatory 1280 Astronomical Objects for short pulses 1 m 9.60E-18 950-1650 nm 50 ns 106FULL PAPER
A search for monochromatic light towards the Galactic Centre 2021Marcy G.W., Tellis N.K., et. al Center for Space Laser Awareness, Schmidt Telescope Galactic Centre 0.28 m 380-950 nm 20-100 A FULL PAPER
A Search for Transient, Monochromatic Light from the Galactic Plane 2022Marcy G.W., Tellis N.K. Center for Space Laser Awareness, Schmidt Telescope Wolf-Rayet stars, M dwarf flare stars, planetary nebulae, an aircraft with a monochromatic lamp and a xenon lamp 0.28 m 2 to 10 – 380 to 950 nm R ~ 100 FULL PAPER