Description:

Featured in this image is the Small Magellanic Cloud (SMC), presented in a four-panel mosaic blending narrowband and RGB stars. This high-resolution image, boasting an impressive 64 megapixels, captures the stellar majesty of one of our closest galactic neighbours.

Despite its appearance resembling a nebula, the SMC is, in fact, a dwarf galaxy situated near the Milky Way. At a distance of approximately 200,000 light years, it vastly exceeds the 5,000 to 7,000 light years typically associated with nebulae. Nonetheless, it remains one of the most distant objects observable to the naked eye.

The SMC captured in this image presents a vivid display of star clusters, nebulae, and an array of celestial objects within its boundaries. Its average apparent diameter equates to around eight lunar diameters, spanning over four degrees in the night sky. This dwarfs the view of many other celestial objects and underlines the galaxy’s significant presence in our cosmic vicinity.

The blending of narrowband and RGB stars in the image enhances the detailed view of this dwarf galaxy. Narrowband imaging brings out the distinct structures within the SMC, including the radiant star clusters and intricate nebulae, while the RGB stars add depth and richness to the view.

Dates: 8, 9, 12, 15, 17th Nov 2022

Frames:

Antlia 3nm Narrowband H-alpha 1.25″: 56×600″(9h 20′) (gain: 139.00) -10°C bin 1×1

Antlia 3nm Narrowband Oxygen III 1.25″: 56×600″(9h 20′) (gain: 139.00) -10°C bin 1×1

Antlia 3nm Narrowband Sulfur II 1.25″: 56×600″(9h 20′) (gain: 139.00) -10°C bin 1×1

Antlia Blue Pro: 120×45″(1h 30′) (gain: 0.00) -10°C bin 1×1

Antlia Green Pro: 120×45″(1h 30′) (gain: 0.00) -10°C bin 1×1

Antlia Red Pro: 120×45″(1h 30′) (gain: 0.00) -10°C bin 1×1

Integration: 32h 30′

RA center: 00h55m14s.60

DEC center: -72°4313.4

Pixel scale: 1.047 arcsec/pixel

Orientation: 85.444 degrees

Field radius: 0.801 degrees

Resolution: 9796 x 13222

Locations: Bentleigh, Victoria, Australia

Sky Plot