Palomar Transient Factory – a wide-field survey that uses image subtraction
Charlie and the Chocolate Factory | factory | Fear Factory | Factory | Palomar Observatory | Willy Wonka & the Chocolate Factory | The Factory | Charlie and the Chocolate Factory (film) | C+C Music Factory | Shout! Factory | Royal Ordnance Factory | Palomar | Knitting Factory | Factory Theatre | Factory Records | Royal Small Arms Factory | Royal Aircraft Factory F.E.2 | Imperial Porcelain Factory | El Palomar, Buenos Aires | York Factory Express | Tobacco Factory | The Music Factory | National Shell Filling Factory, Chilwell | Fun Factory | Ursus Factory | Toy's Factory | The Factory (band) | Royal Aircraft Factory S.E.5 | Royal Aircraft Factory B.E.12 | Rob Dyrdek's Fantasy Factory |