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NGC 4818 (10,613 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 4818

NGC 4818, LEDA 44191, MCG-01-33-057, II 549, h 1484, h 3445, GC 3318

RA: 12h 56m 48.8s
Dec: −08° 31′ 26″

Con: Virgo
Ch: MSA:796, U2:284, SA:14


(reference key)

Type: galaxy, Sab

Mag: B=11, V=?

Size: 3.63′ x 1.174′
PA: 177°

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Photos  (1)

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Historical observations

William Herschel (c.1784)

Synonyms: H II-549

Discovered in 1785 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "pB, vL, iF, lbM."

John Herschel (1847) Cape Observations

Observed by Sir John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "B, L, mE in meridian, gpmbM, 3' long."

Published comments

Helwan Obs. Bulletin No 15 (1915)

pB, 3'x1', mE 5deg, central part E 15deg, stellar nucleus, probably spiral.

Helwan Obs. Bulletin No 22 (1921)

3.5'x1', E 0deg; spiral with sharp stell. N.; pF central portion like a narrow 'S' E 25deg; outer portion vF, showing a similar structure. See HOB 15.

Sulentic & Tifft (1973)

Notes that this is a 12.0 mag galaxy. Their coded description reads EL,DIF,BM.

Modern observations

Steve Coe

Steve Coe, observing with a 13" f/5.6, notes: "pretty bright, pretty large, much elongated 3X1 with an elongated nucleus at 200X. There is an 11th magnitude star at the southern tip."

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