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Doubles in session


Current system
20031+3421
BKO 525


Nearby doubles
2' : 20032+3421
SEI 820

5' : 20030+3416
BKO 524

5' : 20034+3420
SEI 823

9' : 20025+3427
SEI 811

12' : 20034+3432
TDS1036

13' : 20041+3419
SEI 834

17' : 20020+3411
SEI 800

18' : 20043+3431
SEI 836

19' : 20016+3417
SEI 793

20' : 20033+3403
SEI 822

23' : 20013+3426
SEI 790

23' : 20016+3435
COU1947

25' : 20032+3357
SEI 821

25' : 20049+3431
BKO 526

27' : 20035+3448
SEI 824

27' : 20027+3355
BKO 522AB

29' : 20016+3358
SEI 794

30' : 20023+3354
SEI 804

31' : 20026+3352
BKO 521AB

32' : 20048+3359
SEI 841

32' : 20025+3450
SEI 812

32' : 20031+3350
SEI 819

34' : 20005+3418
SEI 780

34' : 20027+3349
SEI 815AB

34' : 20039+3349
SEI 833

36' : 20004+3434
SEI 779



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20031+3421 BKO 525

 
 
20h 03m 03.20s +34° 21' 20.1" P.A. 308.00 sep 11.5 mag 12.40,13.20
 
 
Coord 2000 20031+3421 Discov num BKO 525 Comp Coord arcsec 2000 20 03 03.20 +34 21 20.1
Date first 1998 Date last 2015 Obs 8
Pa first 308 Pa last 307.5 P.A. Now (θ) 307.5°
Sep first 11.5 Sep last 11.527 Sep. Now (ρ) 11.527"
Mag pri 12.40 Mag sec 13.20 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -002 Sec motion ra -006
Pri motion dec -006 Sec motion dec -005
Notes N (See Notes)
rPM=0.528
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2058478838893710592