Home
Database
Workbench
Misc
Setup
Help
File
|
Notes
|
Reports
|
Measures
|
Images
|
Neighborhoods
|
Components
|
Complete
You're not logged.
Login
Keep tracks of you favourite doubles.
Register here
Search
Actions
Advanced Search
Go to Simbad
New report
New measure
Login
Computed Lists
Populars
Latest Populars
Doubles in session
Current system
20203+2331
BKO 644
Nearby doubles
4' : 20201+2334
BKO 641
5' : 20205+2334
POU4381
5' : 20199+2332
POU4374
5' : 20205+2329
POU4385
7' : 20205+2326
POU4382
10' : 20203+2321
POU4380
10' : 20196+2325
POU4371
12' : 20195+2337
POU4367
12' : 20205+2342
POU4384
13' : 20207+2341
POU4388
15' : 20194+2323
POU4365
15' : 20212+2324
POU4390
17' : 20212+2320
POU4391
17' : 20196+2317
POU4370
18' : 20191+2338
BKO 639
19' : 20191+2341
POU4360
21' : 20203+2350
BKO 643
21' : 20202+2351
BKO 642
21' : 20189+2339
POU4359
22' : 20217+2328
POU4396
22' : 20217+2327
POU4397
22' : 20188+2322
TDT2159
23' : 20217+2337
POU4398
23' : 20205+2353
POU4383AB
23' : 20218+2337
POU4401
24' : 20188+2319
POU4356
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 20203+2331 : 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 20203+2331 : ALADIN DSS IMAGE @ 20
h
20
m
15.67
s
+23° 30' 41.8"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS