NGC253 'Silver Coin' Galaxy
  • Details
    Date Taken: 08/25/2014
    Location: Adelaide, Australia
    Telescope: Orion ED80T CF Triplet Apochromatic Refractor Telescope
    Mount: Orion Thin Off-Axis Guider for Astrophotography
    Other Mount: AZ-EQ6
    Camera: Orion StarShoot G3 Deep Space Monochrome Imaging Camera
    Other Camera: ZWO ASI120MM-S guide camera
    Processing: Startools, Nebulosity, Deepskystacker
    Exposure: 15x600 sec Ha, 218x300 sec LRGB
    Notes: A deep integration of the famous galaxy brightest member of the Sculptor group. With a visual magnitude of 8.0, it is appears as a long, oval bulge and mottled disk, some 25' x 7' min size true size of some 70,000 light years across, with complex dust lanes north of the core. It is part of a group of galaxies located 11.4 million light years from the Milky Way, and is viewed by us almost side on spiral Sc type, giving it the shape of a coin. There is intense starburst activity in its outer arms, and some prominent HII regions, whereas the core is older and redder with a 5 million solar mass black hole at its centre. The image was captured from suburban Adelaide, using an Orion ED80T CT apo astrograph at f/4.8, mounted on an AZ-EQ6. The CCD camera was an Orion StarShoot G3 mono, guided with PHD2 using a thin OAG and an ASI120MM-S guide camera. The image is composed of the following: Lum = 62 x 5 min Ha = 15 x 10 min R, G