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. Predicted MAXIMA of long period variables for February 2010 *0009+28 UW And & 9.6-(15.0 Feb 4? *0014+44 VX And 7.9-9.6 Feb 9? 0110+41A UZ And <10.1-14.9> Feb 28 0125+02 R Psc %# <8.2-14.3> Feb 20 0220-00 R Cet <8.1-13.0> Feb 17 0250-50 R Hor %@ <6.0-13.0> Feb 6 0257-51 T Hor %@ <8.2-13.2> Feb 3 *0313+32 TW Per & 9.4-(15.0 Feb 18? 0323+35 R Per %# <8.7-14.0> Feb 16 *0345+32 RX Per 9.4-(15.5 Feb 4? *0450-07 SX Eri %@ 9.6-(14.5 Feb 7? 0543-31 S Col %# <9.3-13.8> Feb 4 *0619+25 VV Gem & 10.1-14.8 Feb 13? *0634+44A AA Aur 9.2-(15.5 Feb 13? 0652-08 X Mon <7.4-9.1> Feb 9 0850-08 T Hya <7.8-12.6> Feb 7 0931+78 Y Dra <9.2-14.5> Feb 19 1046-28 RS Hya %@ <10.0-14.1> Feb 18 1048+14 W Leo <9.8-14.2> Feb 19 1200+12 SU Vir %& <9.4-13.6> Feb 19 *1233+66 RV Dra <9.2-13.7> Feb 9? 1239+61 S UMa <7.8-11.7> Feb 22 *1242+38 U CVn 8.8-15.5 Feb 24? 1242+04 RU Vir <10.0-13.3> Feb 19 1327-06 S Vir <7.0-12.7> Feb 14 1515-20 S Lib <8.4-12.0> Feb 15 1518-22 RS Lib <7.5-12.0> Feb 18 *1527+03 WW Ser 10.3-14.6 Feb 20? 1530-20 X Lib %@ <11.0-13.5> Feb 20 1547-15 R Lib %# <10.3-14.8> Feb 25 1558-23 RZ Sco %# <8.8-12.2> Feb 3 1602-21A X Sco %& <11.0-14.3> Feb 15 *1608+25 VV Her %# 10.2-16.0 Feb 8? 1628+07A SS Her <9.2-12.4> Feb 24 *1634+14 AS Her 8.3-14.1 Feb 2? 1648-44 RS Sco %& <7.0-12.2> Feb 2 1656+31 RV Her <10.1-14.8> Feb 23 1702-15 R Oph <7.6-13.3> Feb 23 *1740+21 CF Her # 9.1-15.9 Feb 7? 1806+66 X Dra <11.0-14.7> Feb 26 *1813+06 BC Oph 8.8-15.6 Feb 12? 1857+37 RT Lyr <10.1-14.6> Feb 16 *1903+33 AB Lyr 10.1-15.5 Feb 28? *1905+29B VZ Lyr %# 10.3-(15.5 Feb 13? 1913-19 S Sgr <10.2-14.8> Feb 15 1916+37 U Lyr <9.5-12.0> Feb 23 1934+49 R Cyg <7.5-13.9> Feb 11 *1934+28 BG Cyg <9.1-12.4> Feb 15? 1939-72 T Pav <8.0-13.8> Feb 22 1952-02 RR Aql <9.0-13.9> Feb 21 *2002+50 BU Cyg 9.6-(16.0 Feb 10? 2005-14 R Cap %# <10.6-13.6> Feb 17 2026-22 RU Cap %@ <9.7-15.1> Feb 27 2050+30A UX Cyg <9.7-14.7> Feb 11 2108+68 T Cep <6.0-10.3> Feb 8 2109-03 RR Aqr <9.5-13.9> Feb 9 2116-15 T Cap # <9.5-13.9> Feb 12 *2158+13 DG Peg 10.2-15.2 Feb 14? 2159+34 RT Peg %# <9.9-14.5> Feb 27 2201+33B RZ Peg <8.8-12.8> Feb 7 *2219+55B SU Lac %@ 10.3-(15.0 Feb 26? *2255+42 SZ And %# 9.5-(15.4 Feb 3? 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. Predicted minima of long period variables for February 2010 0019-09 S Cet <8.2-14.2> Feb 17 *0022+30 YZ And 10.1-15.9 Feb 24? 0101-02 Z Cet & <8.9-13.5> Feb 16 *0110+55A VZ Cas 9.5-14.0 Feb 27? 0112+08 S Psc %& <9.6-15.0> Feb 7 0123+50 RZ Per %# <9.4-13.7> Feb 11 0211+43A W And <7.4-13.7> Feb 19 *0349-46 U Hor %@ 7.5-(14.0 Feb 25? 0432+74 X Cam <8.1-12.6> Feb 9 0515-33 T Col %# <7.5-11.9> Feb 4 0556-86 R Oct %@ <7.9-12.4> Feb 10 *0557+16 RR Ori 9.4-15.0 Feb 12? *0618+24 CD Gem @ 10.9-(15.7 Feb 26? *0625+74 SU Cam %# 9.2-15.0 Feb 22? *0706+07 WX CMi %@ 10.5-(15.5 Feb 11? *0721+41 VX Aur %@ 8.6-12.9 Feb 15? 0947+35 S LMi <8.6-13.9> Feb 17 1029+00 S Sex <9.1-13.4> Feb 12 *1107-06 U Crt %& 9.0-(14.0 Feb 24? 1228-54 U Cen %@ <8.2-13.4> Feb 21 1231+60 T UMa <7.7-12.9> Feb 24 1434-17 V Lib # <9.7-14.7> Feb 8 *1443+39 RR Boo <8.8-12.7> Feb 1? 1602+10 U Ser <8.5-13.4> Feb 10 1611-22B S Sco %# <10.5-14.6> Feb 4 1652-02 SS Oph <8.7-13.5> Feb 5 1745-51 U Ara %@ <8.4-13.6> Feb 17 1805+31 T Her <8.0-12.8> Feb 28 *1805+18 XZ Her %& 10.2-(15.5 Feb 20? 1811+36 W Lyr <7.9-12.2> Feb 14 1823+06 T Ser <9.7-15.0> Feb 25 *1839+22 AE Her 8.9-15.2 Feb 10? 1855-12A ST Sgr <9.0-15.2> Feb 25 1905+29A V Lyr <9.7-14.8> Feb 2 1910-17 T Sgr <8.0-12.6> Feb 13 *1939+54 V369 Cyg 9.7-14.2 Feb 15? 1951-42 RU Sgr %# <7.2-12.8> Feb 27 2007+15A S Aql <8.9-12.4> Feb 18 *2015+59 CN Cyg 8.1-14.6 Feb 10? *2039+37 DR Cyg %# 8.3-(15.5 Feb 12? 2042-15 U Cap @ <11.1-14.8> Feb 22 *2057-82 T Oct %@ <9.5-14.3> Feb 11? 2059+23A R Vul <8.1-12.6> Feb 24 *2104+05 RR Equ 9.2-15.6 Feb 3? 2307+59 V Cas <7.9-12.2> Feb 7 2333+35 ST And <8.2-11.8> Feb 3 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. Predicted MAXIMA and minima of long period variables for February 2010 *0009+28 UW And & 9.6-(15.0 MAX Feb 4? *0014+44 VX And 7.9-9.6 MAX Feb 9? 0019-09 S Cet <8.2-14.2> min Feb 17 *0022+30 YZ And 10.1-15.9 min Feb 24? 0101-02 Z Cet & <8.9-13.5> min Feb 16 *0110+55A VZ Cas 9.5-14.0 min Feb 27? 0110+41A UZ And <10.1-14.9> MAX Feb 28 0112+08 S Psc %& <9.6-15.0> min Feb 7 0123+50 RZ Per %# <9.4-13.7> min Feb 11 0125+02 R Psc %# <8.2-14.3> MAX Feb 20 0211+43A W And <7.4-13.7> min Feb 19 0220-00 R Cet <8.1-13.0> MAX Feb 17 0250-50 R Hor %@ <6.0-13.0> MAX Feb 6 0257-51 T Hor %@ <8.2-13.2> MAX Feb 3 *0313+32 TW Per & 9.4-(15.0 MAX Feb 18? 0323+35 R Per %# <8.7-14.0> MAX Feb 16 *0345+32 RX Per 9.4-(15.5 MAX Feb 4? *0349-46 U Hor %@ 7.5-(14.0 min Feb 25? 0432+74 X Cam <8.1-12.6> min Feb 9 *0450-07 SX Eri %@ 9.6-(14.5 MAX Feb 7? 0515-33 T Col %# <7.5-11.9> min Feb 4 0543-31 S Col %# <9.3-13.8> MAX Feb 4 0556-86 R Oct %@ <7.9-12.4> min Feb 10 *0557+16 RR Ori 9.4-15.0 min Feb 12? *0618+24 CD Gem @ 10.9-(15.7 min Feb 26? *0619+25 VV Gem & 10.1-14.8 MAX Feb 13? *0625+74 SU Cam %# 9.2-15.0 min Feb 22? *0634+44A AA Aur 9.2-(15.5 MAX Feb 13? 0652-08 X Mon <7.4-9.1> MAX Feb 9 *0706+07 WX CMi %@ 10.5-(15.5 min Feb 11? *0721+41 VX Aur %@ 8.6-12.9 min Feb 15? 0850-08 T Hya <7.8-12.6> MAX Feb 7 0931+78 Y Dra <9.2-14.5> MAX Feb 19 0947+35 S LMi <8.6-13.9> min Feb 17 1029+00 S Sex <9.1-13.4> min Feb 12 1046-28 RS Hya %@ <10.0-14.1> MAX Feb 18 1048+14 W Leo <9.8-14.2> MAX Feb 19 *1107-06 U Crt %& 9.0-(14.0 min Feb 24? 1200+12 SU Vir %& <9.4-13.6> MAX Feb 19 1228-54 U Cen %@ <8.2-13.4> min Feb 21 1231+60 T UMa <7.7-12.9> min Feb 24 *1233+66 RV Dra <9.2-13.7> MAX Feb 9? 1239+61 S UMa <7.8-11.7> MAX Feb 22 *1242+38 U CVn 8.8-15.5 MAX Feb 24? 1242+04 RU Vir <10.0-13.3> MAX Feb 19 1327-06 S Vir <7.0-12.7> MAX Feb 14 1434-17 V Lib # <9.7-14.7> min Feb 8 *1443+39 RR Boo <8.8-12.7> min Feb 1? 1515-20 S Lib <8.4-12.0> MAX Feb 15 1518-22 RS Lib <7.5-12.0> MAX Feb 18 *1527+03 WW Ser 10.3-14.6 MAX Feb 20? 1530-20 X Lib %@ <11.0-13.5> MAX Feb 20 1547-15 R Lib %# <10.3-14.8> MAX Feb 25 1558-23 RZ Sco %# <8.8-12.2> MAX Feb 3 1602+10 U Ser <8.5-13.4> min Feb 10 1602-21A X Sco %& <11.0-14.3> MAX Feb 15 *1608+25 VV Her %# 10.2-16.0 MAX Feb 8? 1611-22B S Sco %# <10.5-14.6> min Feb 4 1628+07A SS Her <9.2-12.4> MAX Feb 24 *1634+14 AS Her 8.3-14.1 MAX Feb 2? 1648-44 RS Sco %& <7.0-12.2> MAX Feb 2 1652-02 SS Oph <8.7-13.5> min Feb 5 1656+31 RV Her <10.1-14.8> MAX Feb 23 1702-15 R Oph <7.6-13.3> MAX Feb 23 *1740+21 CF Her # 9.1-15.9 MAX Feb 7? 1745-51 U Ara %@ <8.4-13.6> min Feb 17 1805+31 T Her <8.0-12.8> min Feb 28 *1805+18 XZ Her %& 10.2-(15.5 min Feb 20? 1806+66 X Dra <11.0-14.7> MAX Feb 26 1811+36 W Lyr <7.9-12.2> min Feb 14 *1813+06 BC Oph 8.8-15.6 MAX Feb 12? 1823+06 T Ser <9.7-15.0> min Feb 25 *1839+22 AE Her 8.9-15.2 min Feb 10? 1855-12A ST Sgr <9.0-15.2> min Feb 25 1857+37 RT Lyr <10.1-14.6> MAX Feb 16 *1903+33 AB Lyr 10.1-15.5 MAX Feb 28? 1905+29A V Lyr <9.7-14.8> min Feb 2 *1905+29B VZ Lyr %# 10.3-(15.5 MAX Feb 13? 1910-17 T Sgr <8.0-12.6> min Feb 13 1913-19 S Sgr <10.2-14.8> MAX Feb 15 1916+37 U Lyr <9.5-12.0> MAX Feb 23 1934+49 R Cyg <7.5-13.9> MAX Feb 11 *1934+28 BG Cyg <9.1-12.4> MAX Feb 15? *1939+54 V369 Cyg 9.7-14.2 min Feb 15? 1939-72 T Pav <8.0-13.8> MAX Feb 22 1951-42 RU Sgr %# <7.2-12.8> min Feb 27 1952-02 RR Aql <9.0-13.9> MAX Feb 21 *2002+50 BU Cyg 9.6-(16.0 MAX Feb 10? 2005-14 R Cap %# <10.6-13.6> MAX Feb 17 2007+15A S Aql <8.9-12.4> min Feb 18 *2015+59 CN Cyg 8.1-14.6 min Feb 10? 2026-22 RU Cap %@ <9.7-15.1> MAX Feb 27 *2039+37 DR Cyg %# 8.3-(15.5 min Feb 12? 2042-15 U Cap @ <11.1-14.8> min Feb 22 2050+30A UX Cyg <9.7-14.7> MAX Feb 11 *2057-82 T Oct %@ <9.5-14.3> min Feb 11? 2059+23A R Vul <8.1-12.6> min Feb 24 *2104+05 RR Equ 9.2-15.6 min Feb 3? 2108+68 T Cep <6.0-10.3> MAX Feb 8 2109-03 RR Aqr <9.5-13.9> MAX Feb 9 2116-15 T Cap # <9.5-13.9> MAX Feb 12 *2158+13 DG Peg 10.2-15.2 MAX Feb 14? 2159+34 RT Peg %# <9.9-14.5> MAX Feb 27 2201+33B RZ Peg <8.8-12.8> MAX Feb 7 *2219+55B SU Lac %@ 10.3-(15.0 MAX Feb 26? *2255+42 SZ And %# 9.5-(15.4 MAX Feb 3? 2307+59 V Cas <7.9-12.2> min Feb 7 2333+35 ST And <8.2-11.8> min Feb 3