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AAVSO Bulletin 73 for 2010 15 hr

Due to the New England winter storm currently affecting the area, phone coverage at the AAVSO may be much reduced until Wednesday. The staff is still available via email, and we suggest using that method to contact us if you need assistance.
AAVSO BULLETIN 73 FOR 2010  - 15 HOURS

IMPORTANT NOTICE: Bulletin 73 was NOT prepared in the same way as in the past. 
READ THE INTRODUCTION before you use the Bulletin; contact AAVSO Headquarters for more precise dates for research.

# - needs more observations
& - needs more observations urgently
@ - needs more observations very urgently
% - has fair to excellent photometric data but needs visual observations

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|     DESIGN.      NAME       RANGE     | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB |
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|     1500-18     RT Lib %& <9.0-14.3>  |---28m-------    |   ++++++++4M+++++++++ |     |   ----20m-------|     | +++++++24M|
|     1505-19      T Lib %@<10.9-15.2>  |-----------10m-----------    |  22M|     |     ------------2m-----------     |14M  |
|     1506-05      Y Lib %& <8.6-14.1>  |    -------3m----|     +++++++++22M++++++++++  |     |    -------4m----|     ++++++|
|    *1513+36     RT Boo     8.9-14.0   |     |     |     |8m?  |     |     |     1M?   |     |     |     |     |6m?  |     |
|     1515-20      S Lib    <8.4-12.0>  |++++++15M+++++++++++++++++   | +++++8m+++++++27M+++++++++++++++  |   ++++17m+++++++|
|     1517+31      S CrB    <7.3-12.9>  |++++++++   |     |     |14m  |     |   +++++++++++21M++++++++++++++++++++++++++    |
|     1517+14      S Ser    <8.7-13.5>  |     |     |     --17m |     |     |     | ++++++20M++++++++++++++     |     |     |
|     1518-22     RS Lib    <7.5-12.0>  |+++++++18M+++++++++++++++    |11m  |++++++++++++++23M+++++++++++++++   |15m  | ++++|
|    *1527+03     WW Ser    10.3-14.6   |     | 20M?|     |     |     |     |     |     1m?   |     |     |     |     | 20M?|
|     1527-14     RU Lib %# <8.1-14.0>  |     |     |  -------27m---  |     +++++++++++++13M+++++++++++   |     |    -------|
|     1528-49A     R Nor    <7.2-13.2>  |++++++++++++++26M(II)+++++++++++++++++++                 29m(II)+++++++++++++++19M(I)
|     1530-20      X Lib %@<11.0-13.5>  |     | 20M |     |     |     3m    |     4M    |     |     |14m  |     |15M  |     |
|     1532-15      W Lib %@<11.1-15.0>  |-------    | 20M |     |   ----------20m--------     |11M  |     | -----------11m--|
|     1533+78A     S UMi    <8.4-12.0>  | +++++++++++++++++++++++8M++++++++++++++++++++++     | 16m |     |+++++++++++++++++|
|     1536-20A     U Lib    <9.6-14.4>  |---  | +++++14M++++++  |     ---------24m-------    +++++26M+++++|     |  ---------|
|     1536-54      T Nor %@ <7.4-13.2>  | 19m |    +++++++++++29M+++++++++++++    |     | 16m |    ++++++++++25M++++++++++++|
|    *1540-20      Z Lib %@ 11.7-(15.5  |     |     |     |11m? |     |     |     |     |     5M?   |     |     |     4m?   |
|     1545+36      X CrB    <9.1-13.6>  |    ++++++++14M++++++++++    |     | -23m|     |    ++++++++11M+++++++++     |     |
|     1546+39      V CrB    <7.5-11.0>  |7M++++++++++++++++++++++++++++++++++++++++13m++++++++++++++++++++++++30M+++++++++++|
|     1546+15      R Ser    <6.9-13.4>  |+++++++    |     |13m  |     |    ++++++++++++++12M++++++++++++++++++++++++++|     |
|     1547-15      R Lib %#<10.3-14.8>  |---  | +25M++++++++    |   ----------19m-----------  | +24M+++++++     |   --------|
|     1547-36      R Lup %@<10.1-14.1>  |     |   --3m    |     |   ++++++++3M++++++++  |     | -24m|     |     | +++++++23M|
|     1550-18     RR Lib %& <8.6-14.2>  3M++++++++++|   ----------19m-------|     | +++++++++++7M++++++++++    ---------20m-|
|     1552+29      Z CrB   <10.0-14.6>  |12m-----   |   ++++++26M++++ |     |  -----------20m-----  |    +++++++2M++++|     |
|    *1555+02     BC Ser     9.4-15.4   |     |     | 20M?|     |     |     |     |6m?  |     |     | 20M?|     |     |     |
|     1558-23     RZ Sco %# <8.8-12.2>  |+++++3M++++++++++|   27m   +++++++++9M++++++++++     1m   ++++++++13M++++++++++    |
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|                                       | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB |
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AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484