Globular cluster · Hydra

NGC 5694

Also known as: C66

mag 10.23.3′ across

About

NGC 5694 is a globular cluster of magnitude 10.2 in Hydra, about 3.3′ across.

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How to find it

  • NGC 5694 is in the constellation Hydra.
  • Best evenings: around mid-June it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
  • Where on Earth: it is seen well, at least 10° up, from south of 53° N.

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When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.

What you will see

  • EyesNot visible to the naked eye.
  • Binoculars (10×50)Too faint for binoculars.
  • Telescope (6–8 inch)A small round glow.

For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.

Facts

DesignationsNGC 5694, C66
TypeGlobular cluster
Magnitude10.2The smaller the number, the brighter.
Apparent size3.3′the full Moon is 31′ across
Surface brightness≈ 21.4 mag/arcsec²Estimate from the magnitude and size, per square arcsecond.
ConstellationHydra
Right ascension (J2000)14h 39m 36.5s
Declination (J2000)−26° 32′ 18″

More in Hydra

Sources and credits

Catalog data: OpenNGC by Mattia Verga, CC BY-SA 4.0, and d3-celestial by Olaf Frohn, BSD 3-Clause. All data sources →