Elliptical galaxy · Virgo

M84

Also known as: NGC 4374

mag 9.37′ across

About

M84 is an elliptical galaxy of magnitude 9.3 in Virgo, about 7′ across.

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How to find it

  • M84 is in the constellation Virgo.
  • Best evenings: around mid-May 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 north of 67° S.

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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)A faint smudge, only from a dark site.
  • Telescope (6–8 inch)A smooth oval glow, brightening towards the centre.

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

Facts

DesignationsM84, NGC 4374, PGC 40455, UGC 7494
TypeElliptical galaxy (E)
Magnitude9.3The smaller the number, the brighter.
Apparent size7′ × 6.1′position angle 133°; the full Moon is 31′ across
Surface brightness23.2 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see.
ConstellationVirgo
Right ascension (J2000)12h 25m 03.7s
Declination (J2000)+12° 53′ 13″

More in Virgo

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 →