AAVSO Home
The International
Variable Star Index
Search
Submit
Register
Log In
Account
About
Welcome, Guest. You are not logged in.
Log in
within
5
'
of
21 30 42.78 +51 21 21.1
Return to Details
Search Results
12 records (4 ms)
Click
Name
to display Detail Sheet for star.
Save Search Results as CSV file:
Dist.
'
Name
AUID
Coords (J2000)
Const.
Var. type
Period (d)
Mag. range
0.00
Gaia DR3 2171665928786800384
--
21 30 42.78 +51 21 21.1
Cyg
ROT
--
15.28 - 15.32 G
0.25
ZTF J213042.76+512105.8
--
21 30 42.77 +51 21 05.8
Cyg
BY
6.9861088
16.228 (0.101) g
0.75
Gaia DR3 2171689400793440640
--
21 30 46.95 +51 21 44.1
Cyg
YSO
--
13.36 - 13.38 G
2.27
ZTF J213038.51+512331.0
--
21 30 38.51 +51 23 31.1
Cyg
BY
5.9951185
13.285 (0.067) r
2.83
ZTF J213100.83+512136.5
--
21 31 00.84 +51 21 36.6
Cyg
EW
0.3099426
18.704 (0.183) r
3.00
Gaia DR3 2171665658213922304
--
21 30 25.24 +51 20 07.4
Cyg
ROT
--
16.72 - 16.77 G
3.02
Gaia DR3 2171689774447322240
--
21 30 44.62 +51 24 21.4
Cyg
L
--
18.00 - 18.16 G
3.03
ZTF J213026.75+512303.3
--
21 30 26.76 +51 23 03.4
Cyg
SR
155.7748558
19.761 (0.661) r
4.23
Gaia DR3 2171689877524718592
--
21 30 48.51 +51 25 29.4
Cyg
ROT
--
18.09 - 18.20 G
4.44
Gaia DR3 2171665688270591872
--
21 30 17.76 +51 19 15.1
Cyg
L
--
18.95 - 19.83 G
4.59
ZTF J213013.42+512130.8
--
21 30 13.42 +51 21 30.8
Cyg
SR
455.6900240
18.394 (0.601) r
4.97
Gaia DR3 2171666719058916864
--
21 30 11.05 +51 21 47.0
Cyg
ROT
--
12.22 - 12.25 G
Coordinate based link-outs:
-- Select --
SIMBAD Coordinate query
VizieR Search
CDS Portal
Extinction Calculator
APASS
AAVSOnet Epoch Photometry Data
SDSS Navigate Tool
ASAS Light Curve
ASAS-SN Sky Patrol
NSVS
CRTS
LINEAR
SuperWASP
ZTF
Pan-STARRS1 Data
Pan-STARRS1 Images
SkyMorph
Guidelines
FAQ
Manual
Forum
Variability Types
Passbands
Copyright
Acknowledgments
Privacy
Contact
Help us
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.5.128