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NGC 7713 (17,931 of 18,816)

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NGC 7713

NGC 7713, AM 2333-381, ESO 347-28, LEDA 71866, MCG-06-51-013, SGC 233335-3813.0, h 4000, GC 4992

RA: 23h 36m 15.1s
Dec: −37° 56′ 17″

Con: Sculptor
Ch: MSA:1422, U2:385, SA:23

Ref: SIMBAD

(reference key)

Type: galaxy, Sc

Mag: B=11.65, V=?

Size: 4.57′ x 1.995′
PA: 168°

Historical observations

John Herschel (1847) Cape Observations

Discovered by Sir John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "pB, oval, or pmE, vgbM, 3'."

Published comments

Shapley, H. & Ames, A. (1932)

Shapley, H. & Ames, A. (1932) A survey of the external galaxies brighter than the thirteenth magnitude. Annals Harvard College Obs., 88(2), 43.

Position given in NGC corrected by that published by Reinmuth's Die Herschel Nebel.

de Vaucouleurs, G. (1956)

"Survey of bright galaxies south of -35° declination", Mem. Mount Stromlo, No. 13. (photographic study, plates taken with the 30-inch Reynolds reflector, 20-inch diaphragm).

Supernovae

A supernova erupted in this galaxy in 1982 (16.0p)

Helwan Obs. Bulletin No 15 (1915)

pB, pL, E 170deg approx., ? spiral. (exp. only 30m).

Helwan Obs. Bulletin No 21 (1920)

F, 4'x1.5', E 170deg, patchy and irr. spir. No v distinct N; possibly there is absorption.

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 12.0 mag galaxy. Their coded description reads LG,B,EL,DIFPERIPH PCHY MOTTLED PERIPH.

Modern observations

Steve Coe

Steve Coe, observing with a 17.5" f/4.5 at 100X, notes: "Faint, pretty large and elongated N-S at 100X. It has a somewhat brighter middle at 135X.

Brian Skiff

15cm - mod br @ 80x w/m10.5-11 * on SW. 140x: core 2'x1' w/strong broad concen.

f extns in pa175 reaching 3/4 way to m13.5 * N. these extns thinner

than core. BS, 15Nov1993, LCO.

Contemporary observations

Magda Streicher

2006 September 21

Pietersburg

16-inch f/10 SCT (127x, 290x, 463x)

Lovely elongated N-S thick oval outstanding against the star field (16" 127x). Very faint 13magnitude star on the northern edge with two brighter stars on the western and one on the eastern side of the galaxy. Just slightly brighter to the middle nucleus area (16" 290x).

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Lacaille's catalogue

The Messier objects

Dunlop's catalogue

The Bennett objects

The Caldwell list

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