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NGC 3582 (7,587 of 18,816)

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NGC 3582

NGC 3582, Ced 113d, ESO 129-10, h 3327, GC 2338

RA: 11h 12m 12s
Dec: −61° 16′ 25″

Con: Carina
Ch: MSA:991, U2:449, SA:25

Ref: NGC/IC

(reference key)

Type: bright nebula

Mag: B=?, V=?

Size: ?
PA: ?

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Sketches  (1)

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History and Accurate Positions for the NGC/IC Objects (Corwin 2004)

NGC 3582. See NGC 3576.

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 "An 11th magnitude star in the centre of a round nebula. The 4th of 6." and also as "round, has a star in the middle." The NGC records it as a "bright, brighter to the middle like a star, fourth of six." These six are NGC 3576, 3579, 3581, 3582, 3584 and 3586.

Ellery, R.L.J. (1885) Melbourne Observations

Recorded in "Observations of the Southern Nebulae made with the Great Melbourne Telescope".

See the discussion of Lithograph M.4.35 for the details.

Published comments

Cederblad, S. (1946) [VII/231]

Ced 113d (NGC 3582)

Position (1900): RA 11 7.9, Dec - 60 44

Star: -60 2643? (Mp=9.3:, V=9.2:, SpT=B5)

Spectrum of nebula: continuous spectrum (inferred from sp.t. of illuminating star)

Classification: Nebulous cluster (Patches of neb adhering to individual stars of the cluster, eg. Pleiades)

Size: (not given)

Notes: "Ced 113 A nebulous field discovered by John Herschel in 1834 and catalogued as follows. Ced 113 d = NGC 3582 = GC 2338 = h 3327. R. CPD -60 2643 = HD 97499 may be the light source."

Hoffleit, D. (1953)

1953AnHar.119...37H

A Preliminary Survey of Nebulosities and Associated B-Stars in Carina.

p43.

Gum, C.S. (1955)

Gum, C.S. (1955) A survey of southern HII regions. Mem.RAS, 67. [1955MmRAS..67..155G]

A Survey of Southern H II Regions published in the RAS Memoirs, Vol. LXVII, identifies his No. 38a with this grouping. Gum 38b is NGC 3603, and he writes: "Two objects linked together with nebulosity (overall dimensions 45' x 15'). Each is of complex structure." For his 38a grouping, he gives the size as 20' x 15' and identifies the group with No. 113 in Sven Cederblad's 1946 catalogue.

Rodgers, Campbell & Whiteoak (1960)

The combined grouping of Gum 38a + b are also known as RCW 57, which is commented with "Appears obscuration-bounded and contains bright crescent shaped region 50' x 20'."

Sulentic & Tifft (1973)

(Sulentic and Tifft 1973) notes that this is a diffuse nebula.

Modern observations

Hartung, E.J. (1968) Astron.Obj.South.Tel

Hartung writes: "This is the brightest of a group of small gaseous nebulae in a rich starry field. The group is rather wedge like, about 7' x 4', with a faint star at the apex directed south. It may be regarded as one nebula with dark lanes ... Two detached faint patches lie close south; this is an interesting field but needing a fair aperture."

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