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Cl Trumpler 15 (7,184 of 18,816)

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Cl Trumpler 15

Cl Trumpler 15, Cl Collinder 231, C 1042-591, Cl VDBH 104, Lund 558, Ocl 825.0, COCD 264

RA: 10h 44m 42s
Dec: −59° 22′ 0″

Con: Carina
Ch: MSA:992, U2:427, SA:25

Ref: SIMBAD, Collinder (1931), DAML02, Archinal&Hynes (2003)

(reference key)

Type: open cluster, 32pn

Mag: B=7.41, V=7

Size: 14′
PA: ?

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Sketches  (1)

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Published comments

Trumpler

Trumpler (Lick Obs Bul, Vol 14, No. 420) gives the diameter as 3.5' and the class as 1 3 p. Noticed on Gould's chart of the Eta Carinae region as well as on Harvard Annals 60, 8, plate 3. Well defined small cluster with considerable concentration regular structure and outline."

Hogg, A. R. (1965)

"Cat. of Open Cl. south of -45° Decl.", Mem. 17 Mnt Stromlo Obs.

Modern observations

Brian Skiff

15cm - 20' due N of eta Carinae is a vsm well-concen isolated cl in V-shape with

m9.5 * at apex. arms of *s extend S&W from this *. 195x shows 25 *s in 2'

area. 12' E/sl N is R156, a nice rel f pair for 140x, very isolated in

fld as the only m8.5 *s in a 10' radius. BS, 22Feb1990, LCO.

- [a check w/mag sequence in fld] the cl is off to N out of the brtst part

of the neb, so mag est for brtst * there seems okay. a quick check now

suggests it is m9.0, not m9.5. BS, 23Feb1990, LCO.

Contemporary observations

Auke Slotegraaf

1994-02-18

1994-02-18, Die Boord, 6-inch f/8.6 Newtonian. About 10 faint stars loosely clumped to the west and south of an almost equal double star. Not impressive at 218x, but at 52x it shows as an obvious nebulous southbound streak.

Magda Streicher

(no date)

Situated north of Eta Carinae in the nebulous outskirts. Very dainty cluster, with stars in close string formation. My sketch talk for itself. More or less 3' in a N-S direction.

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