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Doubles in session
Current system
21173+5837
PET 2 Aa,Ab
Nearby doubles
16' : 21193+5837
STF2790AB
21' : 21199+5841
HLM 39
32' : 21141+5818
STF2783
36' : 21202+5809
STI2566
39' : 21160+5914
TDT2869
41' : 21178+5756
STI2564
44' : 21122+5854
ARG 107
51' : 21232+5859
HDS3048
55' : 21182+5931
STI1020
58' : 21132+5924
TDT2832
63' : 21189+5938
MLB1092
64' : 21203+5737
MLB 87
67' : 21234+5923
ES 2709
69' : 21256+5814
BU 1141
70' : 21165+5727
STI2562
73' : 21130+5941
NSN 741
75' : 21223+5734
A 764AB
76' : 21114+5737
MLR 590
78' : 21082+5907
A 760AB
79' : 21084+5913
KPP3366
79' : 21274+5835
MLR 435
82' : 21234+5943
TDT2938
84' : 21070+5900
STF2766
88' : 21249+5734
A 766
89' : 21236+5951
PET 3
92' : 21290+5844
MLR 436AB
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
WDS 21173+5837 : VIRTUAL EYEPIECE
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Radius:
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Components only
WDS 21173+5837 : ALADIN DSS IMAGE @ 21
h
17
m
18.79
s
+58° 36' 41.3"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS