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Latest Details
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Name
  USNO-B1.0 1354-0399800  
AAVSO UID
000-BJR-307 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 49 00.69 +45 26 52.0  (312.25288 +45.44778) Search nearby
B1950.0 20 47 17.19 +45 15 41.2
Proper motion
RA: 4.2 +/- 7.3 mas/yDec: -6.1 +/- 6.6 mas/ySource: UCAC4
Galactic coord. 85.245 +1.060
Other names

(Internal only)
ASASSN-V J204900.58+452651.2 UCAC3 271-196242 VSX J204900.6+452652
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Variability type
EA:
Spectral type --
Mag. range
15.50 - 15.95 B
Discoverer Marcin Wardak
Epoch
18 Sep 2009 (HJD 2455093.46617)
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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References
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1 http://astro-forum.org/Forum/index.php?showtopic=29616 --
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 13.09H = 12.88K = 12.70J - K = 0.38
AllWISE W1 = 12.66W2 = 12.74W1 - W2 = -0.08
APASS-DR9 B = 15.56V = 14.89g' = 15.10r' = 14.61i' = 14.26B - V = 0.67
SDSS-DR12 u = 17.07g = 15.28r = 15.02i = 14.36z = 14.08u - g = 1.78r - i = 0.67
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 49 00.69 +45 26 52.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 screen with registered curves Wardak, Marcin 2009-11-05 18:47 UTC The last session was made with bad weather and full moon.
1 AAVSO formated result file for all sessions Wardak, Marcin 2009-11-05 18:47 UTC
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Revision History
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1 Wardak, Marcin 2009-11-05 23:21 UTC Initial submission.