Themisto, a prograde irregular satellite of Jupiter, was discovered in 1975http://en.wikipedia.org/wiki/Themisto_(moon)
Asteroid (81) Terpsichore was discovered by Ernst Tempel on September 30, 1864.http://en.wikipedia.org/wiki/81_Terpsichore
Asteroid (191) Kolga was discovered by C. H. F. Peters on September 30, 1878, in Clinton, New York. http://en.wikipedia.org/wiki/191_Kolga
Asteroid (219) Thusnelda was discovered by Johann Palisa on September 30, 1880 in Polahttp://en.wikipedia.org/wiki/219_Thusnelda
Asteroid (471) Papagena is an asteroid that was discovered by Max Wolf on June 7, 1901.http://en.wikipedia.org/wiki/471_Papagena
Asteroid (10000) Myriostos was discovered by A. G. Wilson on September 30, 1951http://en.wikipedia.org/wiki/10000_Myriostos
NGC Discovered
NGC 1 is a magnitude +13.65 spiral galaxy discovered by Heinrich Louis d'Arrest on the 30th September 1861.http://astronomy.activeboard.com/t58661972/ngc-1/NGC 648 is a magnitude +14.4 lenticular galaxy rediscovered by Stephane Javelle on the 30th September 1892.http://astronomy.activeboard.com/t58661950/ngc-648/NGC 676 is a magnitude +11.9 lenticular galaxy discovered by William Herschel on the 30th September 1786.http://astronomy.activeboard.com/t58661939/ngc-676/NGC 7002 is a magnitude +12.4 elliptical galaxy discovered by John Herschel on the 30th September 1834. http://astronomy.activeboard.com/t58661923/ngc-7002/NGC 7038 is a magnitude +11.6 barred spiral galaxy discovered by John Herschel on the 30th September 1834. http://astronomy.activeboard.com/t58661915/ngc-7038/NGC 7061 is a magnitude +13.3 elliptical galaxy discovered by John Herschel on the 30th September 1834. http://astronomy.activeboard.com/t58661902/ngc-7061/
NGC 7213 was discovered by John Herschel on the 30th September 1834http://astronomy.activeboard.com/t49195681/ngc-7213/
NGC 7548 is a magnitude +13.3 face-on spiral galaxy discovered by Heinrich Louis d'Arrest on the 30th September 1861.http://astronomy.activeboard.com/t58661889/ngc-7548/
Henry Draper was the first to photograph the Orion Nebula, on September 30, 1880http://en.wikipedia.org/wiki/Henry_Draper
The Opel RAK.1 was the world's first purpose-built rocket-powered aircraft. http://astronomy.activeboard.com/t45280968/opel-rak1/
STS-68 was launched from Kennedy Space Centre on September 30, 1994.http://en.wikipedia.org/wiki/STS-68
Last contact with the Pioneer 11 spacecraft was on September 30, 1995http://en.wikipedia.org/wiki/Pioneer_11
The final flight of a Molniya-M rocket, was conducted on 30 September 2010.http://en.wikipedia.org/wiki/Molniya-M
People
Soyuz TMA-16: On 30 September 2009, Guy Laliberté became the first Canadian space tourist.http://en.wikipedia.org/wiki/Guy_Lalibert%C3%A9#Spaceflight
Stephen Nathaniel Frick (born September 30, 1964) is an American astronauthttp://en.wikipedia.org/wiki/Stephen_FrickMichael Maestlin (30 September 1550 - 20 October 1631 ) was a German astronomerhttp://en.wikipedia.org/wiki/Michael_MaestlinRobert Gendler (born 30 September 1957) is an American amateur astronomerhttp://en.wikipedia.org/wiki/Robert_GendlerPhilip Cary Plait (September 30, 1964) is an American astronomerhttp://en.wikipedia.org/wiki/Phil_PlaitSir Nevill Francis Mott (30 September 1905 - 8 August 1996) was an English physicist.http://en.wikipedia.org/wiki/Sir_Nevill_MottJohannes Wilhelm Geiger (September 30, 1882 - September 24, 1945) was a German physicist. http://en.wikipedia.org/wiki/Hans_GeigerJean Baptiste Perrin (30 September 1870 - 17 April 1942) was a French physicisthttp://en.wikipedia.org/wiki/Jean_PerrinOtto Yulyevich Schmidt (September 30 1891 - September 7, 1956) was a Soviet scientisthttp://en.wikipedia.org/wiki/Otto_Yulyevich_ShmidtMarc Bolan (born Mark Feld; 30 September 1947 - 16 September 1977) was an English singer-songwriterhttp://en.wikipedia.org/wiki/Marc_Bolan
Radio 1 was launched at 7:00am on 30 September 1967http://en.wikipedia.org/wiki/BBC_Radio_1
On 30 September 1936, the Pinewood Studios complex was officially openedhttps://en.wikipedia.org/wiki/Pinewood_StudiosThunderbirds is a British mid-1960s science fiction television show devised by Gerry and Sylvia Andersonhttp://astronomy.activeboard.com/t45280958/thunderbirds/The opera The Magic Flute was premièred in Vienna on 30 September 1791http://astronomy.activeboard.com/t42774034/the-magic-flute/
Meteorites
The Binningup (H5) meteorite fell in Western Australia, Australia, on the 30th September 1984.http://astronomy.activeboard.com/t45281231/binningup-meteorite/The Sivas (H6) meteorite fell in Yozgat, Turkey, on the 30th September 1989.http://astronomy.activeboard.com/t55109996/sivas-meteorite/