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Caldwell 29
Hubble · Caldwell 29 · NASA, ESA, and L. Ho (Peking University); Processing: Gladys Kober (NASA/Catholic University of America)

Caldwell 29

Galaxy in Canes Venatici · 44.777 million light-years (est. from redshift)

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TypeGalaxy
ConstellationCanes Venatici
Right ascension13h 10m 56s
Declination+37° 04′
Object distance44.777 million light-years (est. from redshift)
Apparent magnitude10.7
Apparent size4.8′ (arc-minutes)
Approx. true diameter62,520 light-years across
Also known asC29 · NGC 5005
Caldwell 29 is a galaxy (NGC 5005) in the constellation Canes Venatici — a distant island of stars far beyond the Milky Way. It appears as number 29 in the Caldwell catalogue, Sir Patrick Moore's 1995 list of 109 bright deep-sky objects for amateur astronomers. It spans roughly 4.8 arc-minutes on the sky. At about magnitude 10.7, it is a fainter object best hunted with a moderate telescope under dark skies.

Although it appears about 4.8′ wide on the sky, its real span is roughly 62,520 light-years — the difference is a measure of how far away it lies.

Observing Caldwell 29

Caldwell 29 lies in the constellation Canes Venatici and is best placed in the evening sky around April. Its maximum altitude above the horizon depends on your latitude. It is best placed for observers in the northern hemisphere, and sits low for those far south. It is faint — plan for a moderate telescope and a dark, moonless sky. Note that the listed magnitude is spread across the whole object — diffuse galaxies and nebulae are often harder to see than the number alone suggests, so dark, moonless skies help a great deal.

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Sources

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