NGC 253, also known as the Silver Coin Galaxy or Sculptor Filament Galaxy, is a prominent member of the Sculptor Group of galaxies, located approximately 11.4 million light-years away in the constellation Sculptor. It is approximately 90,000 light year in diameter.

This intermediate spiral galaxy is one of the brightest galaxies in the night sky and is visible through a small telescope from Earth.

NGC 253 is known for its active star formation regions, which are lit up by numerous young, hot stars, giving it a bright and mottled appearance. The galaxy is also noted for its high dust content, which obscures parts of its spiral arms and core.

28 Jul 2023 · 30 Jul 2023 · 2 Aug 2023 · 7 Aug 2023 · 16 Aug 2023

Antlia 3nm Narrowband H-alpha 1.25″: 32×600″(5h 20′) (gain: 139.00)
Antlia Blue Pro: 180×60″(3h) (gain: 76.00)
Antlia Green Pro: 180×60″(3h) (gain: 76.00)
Antlia Luminance Pro: 526×60″(8h 46′) (gain: 76.00)
Antlia Red Pro: 180×60″(3h) (gain: 76.00)

23h 6′

RA center: 00h47m33s.969

DEC center: -25°17′34″.70

Pixel scale: 1.046 arcsec/pixel

Orientation: 167.133 degrees

Field radius: 0.558 degrees

Resolution: 6399 × 4267

Locations: Backyard, Bentleigh, Victoria

Broadband and Narrowband Emission Lines

Luminance filter

Ha Continuum Subtraction (Ha – B) 

R + G + B Filters combined

RGB + Ha Combined with colour saturation applied

Plate Solution Overlay

Sky Plot