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Lacaille II.11 (7,866 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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Lacaille II.11

Lacaille II.11, Dunlop 324

RA: 11h 22m 55s
Dec: −58° 19′ 36″

Con: Centaurus
Ch: MSA:991, U2:427, SA:25

Ref: [1755MmARS..??..194L ], Cozens (2008)

(reference key)

Type: asterism

Mag: B=?, V=?

Size: ?
PA: ?

Historical observaitons

Lacaille (1755)

Lacaille's description reads: "Seven or eight small stars compressed in a right line". The position he noted is 11h 22m 55s, 58 19' 36" (J2000.0).

In the diagram below, the square is centred on Lacaille's position, and the circle is 40' in diameter (north up, east left). Within it lie 6 stars (all brighter than 9th mag) in a 33' long row (PA60). The brightest star is HD 98897 = SAO 239003 (V=6.6, 11:22:15.6, -58:23:10). Also within the circle lie ESO 129-19 (west) and Cl VDBH 118 (south).

James Dunlop (1826)

James Dunlop's #324 is recorded as "Seven or eight small stars in a line oblique to the equator", observed once. His gives the position as RA 11h 17m 0s, SPD 32 43' (1827), which precesses to 11h 24m 50s, -58 14' (J2000.0).

Published comments

Cozens (2008)

Glen Cozens records Lac II.11 as an asterism, giving its angular size as 55'.

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