DECam at Cerro Tololo, visible light. Credit: CTIO/NOIRLab/DOE/NSF/AURA Image Processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), D. de Martin & M. Zamani (NSF NOIRLab). Licence: CC BY 4.0. Source
A rose-shaped cloud of glowing gas whose central cluster has hollowed out its middle.
Measured
Distance
5,200 light-years
Size
about 130 light-years across (approximate)
Constellation
Monoceros
Position (J2000)
RA 6h 32m 27s, Dec +4.79°
How far, from the Sun
5,200 light-years. To cross it:
Light5,200 years
Voyager 1's speed92.4 million years
Driving at 100 km/h56.1 billion years
Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.
Facts
Its central cluster, NGC 2244, has blown a hole through the middle with its stellar winds.
It spans about 1.3 degrees of sky, more than twice the width of the full Moon.
John Flamsteed noticed its star cluster around 1690.