Home
Database
Workbench
Misc
Setup
Help
File
|
Notes
|
Reports
|
Measures
|
Images
|
Neighborhoods
|
Components
|
Complete
You're not logged.
Login
Preset columns are boring you? Create your own custom set!
Register here!
Search
Actions
Advanced Search
Go to Simbad
New report
New measure
Login
Computed Lists
Populars
Latest Populars
Doubles in session
Current system
20423+1921
SHN 39
Nearby doubles
12' : 20419+1931
COU 226AB
30' : 20436+1944
STF2722
31' : 20422+1952
LBU 19AB
31' : 20433+1855
TDS1094
36' : 20435+1953
STF2721
37' : 20398+1927
J 2604
38' : 20444+1945
CAR 2
41' : 20408+1956
BUP 215AB
42' : 20448+1943
COU 424
44' : 20410+2001
HJ 2987
45' : 20425+1837
TDT2486
47' : 20395+1857
HU 362
57' : 20393+2003
J 3103
60' : 20385+1848
J 3102
61' : 20420+1821
J 193
63' : 20466+1915
COU 426
64' : 20412+2023
COU 423
64' : 20467+1913
GWP2997
68' : 20396+2018
WFC 257
69' : 20471+1918
HO 141AB
70' : 20386+2007
COU 225
71' : 20378+1936
J 3099
72' : 20467+1846
YR 28
73' : 20472+1901
TDT2538
79' : 20447+2032
BRT2484
81' : 20395+1812
BPM2220
Selections
Full WDS
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 20423+1921 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
auto
0.5"
0.8"
1"
2"
3"
5"
10"
15"
20"
25"
30"
35"
40"
45"
50"
55"
1'
2'
3'
4'
5'
6'
7'
8'
9'
10'
15'
20'
30'
40'
50'
1°
2°
4°
5°
8°
Components only
WDS 20423+1921 : ALADIN DSS IMAGE @ 20
h
42
m
15.78
s
+19° 21' 51.6"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
