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|- style="background-color: #A0B0FF;" colspan="3" | Database References |- bgcolor="#FFFAFA" | Simbad || |- bgcolor="#FFFAFA" | || S Andromedae (also SN 1885A) was a supernova
Supernova

A supernova is a Astronomy#Stellar astronomy explosion. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months....
 in the Andromeda Galaxy
Andromeda Galaxy

The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years away in the constellation Andromeda . It is the nearest spiral galaxy to our own, the Milky Way Galaxy....
, the only one seen in that galaxy
Galaxy

A galaxy is a massive, gravitation system that consists of stars and stellar remnants, an interstellar medium of gas and cosmic dust, and an important but poorly-understood component tentatively dubbed dark matter....
 so far by astronomers, and the first ever noted outside the Milky Way
Milky Way

The Milky Way, sometimes called simply the Galaxy, is the galaxy in which the Solar System is located. It is a barred spiral galaxy that is part of the Local Group of galaxies....
.






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|- style="background-color: #A0B0FF;" colspan="3" | Database References |- bgcolor="#FFFAFA" | Simbad || |- bgcolor="#FFFAFA" | || S Andromedae (also SN 1885A) was a supernova
Supernova

A supernova is a Astronomy#Stellar astronomy explosion. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months....
 in the Andromeda Galaxy
Andromeda Galaxy

The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years away in the constellation Andromeda . It is the nearest spiral galaxy to our own, the Milky Way Galaxy....
, the only one seen in that galaxy
Galaxy

A galaxy is a massive, gravitation system that consists of stars and stellar remnants, an interstellar medium of gas and cosmic dust, and an important but poorly-understood component tentatively dubbed dark matter....
 so far by astronomers, and the first ever noted outside the Milky Way
Milky Way

The Milky Way, sometimes called simply the Galaxy, is the galaxy in which the Solar System is located. It is a barred spiral galaxy that is part of the Local Group of galaxies....
. It is also known as "Supernova 1885".

It was discovered on August 19 1885 by the Irish amateur astronomer Isaac Ward in Belfast
Belfast

Belfast is the capital city of Northern Ireland and the seat of Devolution#United Kingdom Northern Ireland Executive and legislative Northern Ireland Assembly in Northern Ireland....
, and independently the following day by Ernst Hartwig
Ernst Hartwig

Carl Ernst Albrecht Hartwig was a Germany astronomer.He discovered a new star in Andromeda Galaxy on August 20,1885. This object was designated as supernova "S Andromedae"....
 at Dorpat (Tartu
Tartu

For the French captain, see Jean-Fran?ois TartuTartu is the second largest city of Estonia. In contrast to Estonia's political and financial capital Tallinn, Tartu is often considered the intellectual and cultural hub, especially since it is home to Estonia's oldest and most renowned University of Tartu....
) Observatory in Estonia
Estonia

Estonia , officially the Republic of Estonia is a country in the Baltic region of Northern Europe. It is bordered to the north by Finland across the Gulf of Finland, to the west by Sweden across the Baltic Sea, to the south by Latvia , and to the east by the Russia ....
. It reached magnitude 6, but faded to magnitude 16 by February 1890.

The star was reported to be reddish in color and declined very rapidly in brightness, which is atypical for Type Ia supernovas. Unfortunately no spectroscopic data is available.

In 1988, astronomer R. A. Fesen and others, using the 4-meter Mayall telescope at Kitt Peak, discovered the iron
Iron

Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a Group 8 element and period 4 element. Iron is lustrous and silvery in color....
-rich remnant of the explosion. Further observations were made with the Hubble Space Telescope
Hubble Space Telescope

The Hubble Space Telescope is a Space observatory that was carried into Low Earth orbit STS-31 in April 1990. It is named after the American astronomer Edwin Hubble....
 in 1995.

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