NNo      GCVS          J2000.0            Type      Max        Min I         Min II       Epoch        Year      Period          M-m/D     Spectrum      References  Other desig. p.m.(as/yr)   Epoch     Ident.     New type    GCVS
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310018 |RZ    Cyg *|205153.19 +472120.4 |SRA       |  9.8    |  14.1      |            |V |40100.      |     |   275.69           |     |M7.0-M8.2ea      |00001 00002|           |+0.000 -0.002|2000.0  | |AC       |          |RZ    Cyg |
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_______________Cross-identifications:_______________
RZ    Cyg     = BD   +46 3080                 |a    
RZ    Cyg     = CRL  2667                     |     
RZ    Cyg     = GSC  3579.03803               |     
RZ    Cyg     = IRAS 20502+4709               |     
RZ    Cyg     = IRC  +50347                   |     
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      Reference to a chart or photograph:
00002. AAVSO Variable Star Charts, AAVSO, Cambridge, Massachusetts
      Reference to a study of the star:
00001. GCVS compilers.
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      Remark:         
    The shape of the light curve strongly varies. Alternation
    of high and low maxima, as well as of shallow and
    deep minima is observed, as a rule: 9.8m <= Max <= 12.0m.
    11.8m <= Min <= 14.1m.

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