NGC 253 - SCULPTOR GALAXY

Sculptor

(ra: 0:47.6 / dec -25:17)

DATA

TYPE: Galaxy

APARENT MAGNITUDE: 7.1

SIZE: 25.1 arcs minutes

DISTANCE: 10 milion light years

OBJECT DESCRIPTION

NGC 253 also konwn as the Silver Coin Galaxy. With about 70 thousands light years across, is the brightess member of the Sulptor Group. Other members of the same group are NGC 300, NGC 55 and NGC 247. The high dust content with frantic star formation gives NGC 253 the designation of a "starburst galaxy" showing a violent activity along its central region.  The turbulence is originated by massive energy and matter wind.

It was discovered by Caroline Herschel in 1783

IMAGE INFORMATION

SCOPE:Celestron C8 (SCT) at @ F6.3

MOUNT: Vixen GPDX. Sky Sensor 2000

SKY CONDITIONS: visual magnitud 4

CAMERA SXV M7

FILTERS: Astronomik Type II

EXPOSURES: LRGB (60,20,20,20). Subs 240 secpnds

GUIDING: Synta 70/400 Refractor and SXV Guide Head

IMAGE ADQUISITION: Astro Art CCD Control Interphase 3.71

CALIBRATED: Dark, flats, bias in Images Plus2.75. Processed Photoshop CS