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Doubles in session


Current system
20123+1607
CHE 189


Nearby doubles
12' : 20126+1616
CHE 67AB

14' : 20126+1553
BKO 530

17' : 20134+1604
CHE 212

17' : 20124+1550
CHE 193

18' : 20134+1611
CHE 211

18' : 20111+1611
ENG 71AB

20' : 20136+1613
CHE 214

21' : 20130+1624
BPM2061

21' : 20137+1608
CHE 216

21' : 20129+1548
CHE 201AB

22' : 20137+1609
STF2651AB

22' : 20135+1555
CHE 213

23' : 20108+1614
BKO 527

23' : 20138+1609
BKO 536

24' : 20139+1611
BPM2065AB

28' : 20141+1612
CHE 223

28' : 20125+1634
BPM2057

29' : 20132+1541
CHE 207AB

30' : 20139+1549
CHE 219

30' : 20141+1553
BPM2068

31' : 20144+1608
CHE 228AB

32' : 20144+1611
CHE 227

33' : 20122+1534
CHE 187AB

33' : 20108+1541
BPM2045

34' : 20145+1555
CHE 230AB

34' : 20146+1600
CHE 233



Selections
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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20123+1607 CHE 189

 
 
20h 12m 16.07s +16° 06' 29.8" P.A. 84.00 sep 18.1 mag 12.80,12.60
 
 
Coord 2000 20123+1607 Discov num CHE 189 Comp Coord arcsec 2000 20 12 16.07 +16 06 29.8
Date first 1910 Date last 2015 Obs 11
Pa first 86 Pa last 84.4 P.A. Now (θ) 84.4°
Sep first 18.6 Sep last 18.102 Sep. Now (ρ) 18.102"
Mag pri 12.80 Mag sec 12.60 delta mag (ΔM) 0.2 Spectral class
Pri motion ra +003 Sec motion ra +007
Pri motion dec +001 Sec motion dec +007
Notes
rPM=0.728
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Gaia DR2 1808609598787858944