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Lacaille III.9
Lacaille III.9, Dunlop 314
RA: 15h 22m 21s
Dec: −59° 12′ 17″
Con: Circinus
Ch: MSA:984, U2:431, SA:25
Ref: [1755MmARS..??..194L ], Cozens (2008)
Type: asterism
Mag: B=?, V=?
Size: ?
PA: ?
Historical observations
Lacaille (1755)
Lacaille recorded "The same [as above]", i.e. "Two small stars in a nebulosity", at 15h 22m 21s, –59° 12' 17" (J2000.0).
The diagram below shows the area around his position (indicated by the square). The brightest star is gamma Cir. Just north of Lacaille's position is a prominent triangle of 8th magnitude stars fitting into a 3.5-arcmin circle. The brightest star is HD 136285 = SAO 242454 (V=7.6, 15:22:36.2,-59:09:59).
James Dunlop (1826)
Dunlops #314 is recorded as "(16 Circini, Bode) described in the Connaissance des Tems as nebula, with two small stars in it. There are three stars of the 8th magnitude very near each other, forming a triangle, which answers to the place of 16 Circini; but there is no nebula accompanying them, neither is there any nebula accompanying any of the stars in this place." He recorded it six times.
Published comments
Cozens (2008)
Glen Cozens lists Lacaille II.9 as a 2.3' "asterism of 3 stars".
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Favourite lists
Lacaille's catalogue
The Messier objects
Dunlop's catalogue
The Bennett objects
The Caldwell list
Named DSOs
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