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Doubles in session
Current system
20442+3404
TDT 2507
Nearby doubles
6' : 20446+3401
TDT2511
7' : 20445+3409
HU 690
9' : 20448+3401
GRV 376
11' : 20447+3357
ES 2311
16' : 20431+3411
ES 2310
19' : 20432+3350
HDS2949
26' : 20462+3358
STT 594AB
Aljanah
31' : 20429+3430
SEI1225
32' : 20420+3349
UC 253
33' : 20437+3332
GRV 373
35' : 20424+3405
ES 2309
42' : 20472+3422
BU 677AB
47' : 20486+3424
ES 249
49' : 20477+3343
NSN 736
49' : 20481+3403
LDS1047
52' : 20407+3431
TDT2466
55' : 20466+3451
SEI1245
56' : 20424+3455
COU1965
56' : 20466+3452
SEI1246
58' : 20470+3318
TDT2535
61' : 20488+3426
SEI1256
61' : 20460+3308
GYL 69
63' : 20435+3302
GRV 372
63' : 20482+3326
ES 2377
64' : 20410+3315
GYL 38
64' : 20487+3334
ES 9006
Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 20442+3404 : COMPONENTS
A
B
pa=164.8°
sep=0.94"
20442+3404 A
Coord arcsec 2000
204412.60+340416.6
Mag
11.59
PmRA
-10.00
PmDE
-4.0
20442+3404 B
Coord arcsec 2000
204412.62+340415.7
Mag
11.63
PmRA
-10.00
PmDE
-4.0
Delta magnitude
0.04
Coordinate calculated
yes