Observations By Members Of OASI
| Observation | Observer | Date |
| The Sun | Various | 25 January 1984 - 08 July 2018 |
| Southern star fields seen from La Palma | Nigel Evans | 16 May 2018 |
| Galaxies | Various | 1994 - 06 May 2018 |
| Planets | Various | 19 October 2000 - 06 May 2018 |
| Novae & supernovae | Various | 17 September 1978 - 02 May 2018 |
| New Zealand skies | Neil J Short | 07-22 April 2018 |
| Kuiper belt objects | Mike Harlow, Nigel Evans | 23 May 2009 - 20 April 2018 |
| Double quasar, QSO0957+561 | Nigel Evans | 17-18 April 2018 |
| The Moon | Various | 13 November 1983 - 31 March 2018 |
| Motion of asteroid 1981Midas | Nigel Evans | 19 March 2018 |
| Motion of asteroid 2017VR12 | Nigel Evans | 07 March 2018 |
| Nebulae | Various | 1994 - 07 March 2018 |
| Aurorae | Various | 13 March 1989 - 18 February 2018 |
| Variable star Mira (ο Cet) | Joe Startin | 18 August 2012 - 12 February 2018 |
| Full Moon (so called Blue Moon) and lunar total eclipse | Various | 31 January 2018 |
| Motion of asteroid 3200 Phaethon | Nigel Evans | 16 December 2017 |
| Grazing lunar occultations | Various | 21 October 1974 - 09 December 2017 |
| Star clusters | Various | 1994 - 25 November 2017 |
| Occultation of UCAC4-410-143659 by Triton | Mike O'Mahony | 05 October 2017 |
| The Milky Way | David Murton et al | 31 July 2006 - 25 August 2017 |
| Solar total eclipse | Paul Whiting, FRAS, et al | 21 August 2017 |
| International Space Station (ISS) | David Murton et al | 06 August 2013 - 30 May 2017 |
| Supermoon | David Murton, Mike O'Mahony | 13 November 2016 |
| Approach of near Earth asteroid 2003YT1 to Polaris | Nigel Evans | 02 November 2016 |
| Barnard's Star | Nigel Evans | 13 September 2005 - 19 October 2016 |
| Constellations and star trails | Various | 31 October 1997 - 30 September 2016 |
| Meteors | Various | 26 October 1973 - 12 August 2016 |
| Noctilucent clouds | Mike Harlow et al | 28 June 1993 - 19 July 2016 |
| Satellites | David Murton, Kevin Fulcher | 08 August - 04 June 2016 |
| Transit of Mercury | James Appleton et al | 09 May 2016 |
| Evolution of solar prominences | David Murton | 02-03 April 2016 |
| Solar total eclipse | Paul Whiting, FRAS, Nigel Evans | 09 March 2016 |
| Comet Catalina (2013 US10) | David Murton | 09 December 2015 - 15 January 2016 |
| Variable stars | Mike Nicholls | 04 July 1980 - 29 December 2015 |
| Appulse of Venus, Mars & Jupiter | David Murton, Neil Short | 29 October 2015 |
| Lunar eclipse | David Murton et al | 28 September 2015 |
| Project Cepheus | Mike Harlow | 20 May - 11 August 2015 |
| Appulse of Venus and Jupiter | James Appleton, David Murton | 30 June 2015 |
| Solar total eclipse | Andy Gibbs et al | 20 March 2015 |
| Solar analemma | Alan Smith | 18 February 2014 - 18 February 2015 |
| Comet Lovejoy (2014 Q2) | David Murton et al | 03 January - 18 February 2015 |
| Winter 2014-15 sky darkness survey. Introduction Results Google map of BDI | Paul Whiting, FRAS | 19 August 2014 - 26 January 2015 |
| Asteroid 2004BL86 close approach to Earth | Nigel Evans | 26 January 2015 |
| Albireo | Kev Fulcher | 25 September 2014 |
| Comet Jacques (2014 E2) | David Murton | 16-23 August 2014 |
| Distance of Mars | Mike O'Mahony | 01 April - 17 July 2014 |
| Variable nebulae | Mike Harlow | 08 April 2008 - 02 June 2014 |
| Uranus, Neptune and Pluto | Mike Harlow | 28 December 2013 - 02 June 2014 |
| Observations of Galilean eclipses to investigate the speed of light by Rømer's method | James Appleton et al | 01 November 2012 - 18 May 2014 |
| Spectroscopic observations | Mike Harlow, Mike O'Mahony | 09 January - 13 November 2013 |
| Comet PANSTARRS (2011 L4) | Mike Harlow, Andrew Robertson | 13 March - 14 May 2013 |
| Comet ISON (2012 S1) | Mike Harlow | 17 January - 02 May 2013 |
| Solar total eclipse | Paul Whiting, FRAS, Nigel Evans | 13 November 2012 |
| Comet 168P/Hergenrother | Mike Harlow | 14 October 2012 |
| Near Earth Asteroid 2012QG42 | Mike Harlow | 13 September 2012 |
| Transit of Venus | James Appleton et al | 06 June 2012 |
| Astronomical images on Flickr |
Ben Jarvis | 2011 |
| Sketches of Jupiter during its 2011-12 apparition | Neil Morley, Dale Holt | 20 October - 23 November 2011 |
| Lunar eclipse | Paul Whiting, FRAS | 15 June 2011 |
| Solar partial eclipse | Ted Sampson | 04 January 2011 |
| Solar total eclipse | Paul Whiting, FRAS | 11 July 2010 |
| Opposition loop of Mars | James Appleton | 17 January - 16 June 2010 |
| Planetary nebulae Abell 2 and Abell 3 | Mike Harlow | 20 September 2009 |
| Solar total eclipse | Paul Whiting, FRAS | 22 July 2009 |
| Comet 29P/Schwassmann-Wachmann 1 | Mike Harlow | 24 January 2008 - 03 January 2009 |
| Comet Broughton (2006 OF2) | Mike Harlow | 02-11 October 2008 |
| Solar total eclipse | Paul Whiting, FRAS, et al | 01 August 2008 |
| Solar halo | Alan Smith | 22 April 2008 |
| Comet 2008 C1/Chen-Gao | Mike Harlow | 04 February - 31 March 2008 |
| Comet 17P/Holmes | Mike Harlow et al | 27 October 2007 - 26 February 2008 |
| Comet 46P/Wirtanen and asteroid Egeria | Mike Harlow | 06 February 2008 |
| Near Earth Object 2005 WJ56 | Mike Harlow | 07 January 2008 |
| Comet 8P/Tuttle | Mike Harlow | 15 November - 12 December 2007 |
| Lunar occultation of Saturn | Martin Cook et al | 22 May 2007 |
| Lunar eclipse and the Danjon Scale of brightness | Paul Whiting, FRAS et al | 03 March 2007 |
| Lunar occultation of Saturn | James Appleton et al | 02 March 2007 |
| Naked eye & binocular observations of Mercury | James Appleton et al | 02 - 11 February 2007 |
| Comet McNaught (2006 P1) | Mike Harlow | 10 January 2007 |
| Comet Swan (2006 M4) | Mike Harlow | 02 November 2006 |
| Solar total eclipse | Paul Whiting, FRAS | 29 March 2006 |
| Solar annular eclipse | Paul Whiting, FRAS, Nigel Evans | 03 October 2005 |
| Appulse of Mercury and Venus | Bill Barton, FRAS | 27 June 2005 |
| Comet Machholz (2004 Q2) | Mike Harlow, Dave McCracken | 26 December 2004 - 12 January 2005 |
| Geostationary satellites | Nigel Evans | 08 October 2004 |
| Transit of Venus | James Appleton et al | 08 June 2004 |
| Lunar occultation of Venus | Ted Sampson | 21 May 2004 |
| Gemini observing project | James Appleton et al | 28 December 2003 - 01 March 2004 |
| Solar annular eclipse | Dave McCracken et al | 31 May 2003 |
| Transit of Mercury | James Appleton et al | 07 May 2003 |
| Pleiades observing project | James Appleton | 18 October - 09 December 2002 |
| Solar total eclipse | Nigel Evans, Paul Whiting | 04 December 2002 |
| Analysis of lunar occultations | James Appleton | 1999 - 2002 |
| Planetary alignment | Nigel Evans, Roy Gooding | 26 April - 14 May 2002 |
| Lunar occultation of Saturn | Nigel Evans, Mike Whybray | 16 April 2002 |
| Comet 153P / Ikeya-Zhang | Nigel Evans | April 2002 |
| Lunar occultation of Jupiter | Dave McCracken | 23 February 2002 |
| Solar annular eclipse | Mike Harlow et al | 14 December 2001 |
| Lunar occultation of Saturn | James Appleton et al | 03 November 2001 |
| Solar total eclipse | Mike Harlow, Sue Brown | 21 June 2001 |
| Solar halo | Sue Brown | May 2001 |
| Space shuttle | Nigel Evans | 11 February 2000 & 16-17 February 2001 |
| Lunar eclipse | Nigel Evans | 09 January 2001 |
| Solar active region AR9169 | Pete Richards, Nick Sullivan | 25 September 2000 |
| Conjunction of Jupiter, Mars, Saturn and crescent Moon | James Appleton | 06 April 2000 |
| Leonid meteor shower | Neil Morley et al | 17-19 November 1999 |
| Solar total eclipse | Nigel Evans et al | 11 August 1999 |
| Apparent close approach of Venus and Jupiter | James Appleton | 23 February 1999 |
| Leonid meteor shower | Mike Harlow et al | 16-18 November 1998 |
| Solar annular eclipse | Mike Harlow | 22 August 1998 |
| Solar total eclipse | Mike Harlow | 26 February 1998 |
| Mutual phenomena of Galilean satellites | James Appleton | 25 September 1997 |
| Comet Hale-Bopp (1995 O1) | Mike Harlow et al | 15 October 1996 - 31 March 1997 |
| Comet Tabur (1996 Q1) | Mike Harlow | 18 October 1996 |
| Solar partial eclipse | Mike Harlow | 12 October 1996 |
| Lunar eclipses | Mike Harlow | 03 April & 27 September 1996 |
| Comet Hyakutake (1996 B2) | Mike Harlow et al | 07-31 March 1996 |
| Solar total eclipse | Pete Richards | 11 July 1991 |
| Comet Levy (1990 XX) | David Payne, Roy Adams | 13 July - 21 August 1990 |
| Occultation Of 28 Sagittarii By Titan | Alan Smith, Martin Cook | 03 July 1989 |
| Tour of the solar system in one evening | David Payne | 03-05 May 1989 |
| Evolution of a sunspot group | Roy Adams | 22 October - 22 November 1988 |
| Mars at opposition | David Payne | 01 October - 16 November 1988 |
| Sunspots | Roy Adams | 21 January 1988 |
| Sagittarius | David Payne | 03-04 July 1987 |
| Comet Sorrells (1986N) | Mike Harlow | 12 December 1986 |
| Lunar total eclipse | Mike Harlow | 17 October 1986 |
| Comet Wilson (1986I) | Mike Harlow | 10 August - 07 September 1986 |
| Pluto | David Payne | 15-18 May 1986 |
| Comet Halley (1P) | David Payne, Roy Cheesman | 05 October 1985 - 17 April 1986 |
| Miscellaneous observations | David Payne | February - March 1986 |
| Fireballs | David Barnard et al | 30 July 1973 - 12 January 1986 |
| Pluto | David Payne | 24-26 May 1985 |
| Start of a new sunspot cycle? | Roy Adams | 24 April 1985 |
| Mercury, Venus & Mars | David Payne | 17 March 1985 |
| Solar partial eclipse | Roy Gooding | 30 May 1984 |
| Pluto | David Payne | 26 April 1984 |
| Venus | Carl Cornish | 16 February - 28 December 1983 |
| Jupiter & Saturn | Carl Cornish | 11 June - 20 August 1983 |
| Comet IRAS-Araki-Alcock (1983 H1) | David Barnard | 07-10 May 1983 |
| Sunspots | C R Baldry | 10 February - 23 March 1980 |
| Comet 38P/Stephan-Oterma | Roy Adams | 30 November 1980 |
| Appulse of Mercury and Venus | Roy Adams | 01 June 1980 |
| Miscellaneous observations | Robert Townsend | 10-11 May 1980 |
| Weather phenomena | Roy Cheesman, Alan Smith | 03 March 1980 |
| Supernova SN1979C in galaxy M100 | Roy Adams | 28 April - 18 May 1979 |
| Sunspots | Roy Adams | 22 September - 24 October 1978 |
| Nova 1978B (Cygnus) | David Barnard, Mike Barriskill | 17-23 September 1978 |
| Solar partial eclipse | Alan Smith | 29 April 1976 |
| Lunar eclipse | Alan Smith | 18 November 1975 |
| Sunspots | Roy Cheesman, John Deans | 25 June - 23 August 1975 |
| Transient Lunar Phenomena | John Deans | 21 February - 19 June 1975 |
| Appulse of Saturn and SAO 79057 | John Deans | 11 January 1975 |
| Variable stars | Tom Cardot, David Barnard | 20 June - 14 November 1974 |
| Lunar occultation of Saturn | Charles Radley | 02 March 1974 |
| PAGEOS Balloon-Satellite | Roy Cheesman | 18 October 1972 |