The Monte Agliale Supernovae and Asteroid Survey (MASAS) is an offshoot of the Monte Agliale Supernovae Search (MASS), conducted from the Monte Agliale Astronomical Observatory at
Monte Agliale
Monte may refer to:
Places Argentina
* Argentine Monte, an ecoregion
* Monte Desert
* Monte Partido, a ''partido'' in Buenos Aires Province
Italy
* Monte Bregagno
* Monte Cassino
* Montecorvino (disambiguation)
* Montefalcione
Portugal
* Monte ...
near
Borgo a Mozzano, Tuscany, Italy.
It has netted, on September 11, 2000 (IAUC 7494, September 22, 2000), the discovery by
Matteo M. M. Santangelo of
supernova
A supernova is a powerful and luminous explosion of a star. It has the plural form supernovae or supernovas, and is abbreviated SN or SNe. This transient astronomical event occurs during the last evolutionary stages of a massive star or when ...
SN 2000dl in the distant
galaxy
A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek ' (), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System. ...
UGC 1191, near the center of the galaxy cluster
Abell 240. The distance is estimated at 1,000,000,000
light-year
A light-year, alternatively spelled light year, is a large unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers (), or 5.88 trillion miles ().One trillion here is taken to be 1012 ...
s, making it the 'first' most distant supernova discovered by an amateur.
External links
Announcement of the discovery of SN 2000dl
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Astronomical surveys
Observational astronomy