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 2011 *0014+44 VX And 7.9-9.6 Feb 13? 0049+58 W Cas <8.8-11.8> Feb 5 0231+33 R Tri <6.2-11.7> Feb 17 *0419+16 VX Tau %@ 9.7-(15.0 Feb 22? 0422+09 R Tau %& <8.6-14.2> Feb 18 0432+08 RX Tau %& <9.6-14.0> Feb 24 0437-38 R Cae %@ <7.9-13.1> Feb 24 0508-48 S Pic %@ <8.1-13.8> Feb 21 *0513-16 X Lep @ 8.8-15.6 Feb 11? *0557+16 RR Ori 9.4-15.0 Feb 15? *0612+75 W Cam @ 9.5-15.5 Feb 14? 0717+13 V Gem & <8.5-14.2> Feb 27 0756-12 U Pup %@ <9.8-14.1> Feb 23 *0813-34 TU Pup %@ <9.9-13.9> Feb 26 0830+19 U Cnc %# <9.9-14.6> Feb 20 *0853-00 TU Hya %& 9.6-(15.5 Feb 9? 0939+34 R LMi & <7.1-12.6> Feb 6 1006-61 S Car # <5.7-8.5> Feb 4 1010-58A Z Car %@ <10.7-15.2> Feb 1 1116-61 RS Cen %@ <8.6-13.4> Feb 4 1231+60 T UMa <7.7-12.9> Feb 19 *1242+38 U CVn 8.8-15.5 Feb 5? 1327-06 S Vir <7.0-12.7> Feb 24 1332+73 T UMi <9.2-14.0> Feb 7 1342-36 RT Cen %@ <9.0-12.7> Feb 14 1425+84 R Cam <8.3-13.2> Feb 9 1434-17 V Lib # <9.7-14.7> Feb 7 1500-18 RT Lib %& <9.0-14.3> Feb 24 1505-19 T Lib %@ <10.9-15.2> Feb 14 *1527+03 WW Ser 10.3-14.6 Feb 20? 1528-49A R Nor <7.2-13.2> Feb 19(I) 1547-36 R Lup %@ <10.1-14.1> Feb 23 *1607+10 DN Her 9.9-14.5 Feb 13? 1616-07 W Oph %& <9.9-14.5> Feb 8 1632+66 R Dra <7.6-12.4> Feb 22 1643-19 RR Oph <8.9-14.6> Feb 13 *1647+05 RX Oph %# 9.0-(15.5 Feb 25? *1650+07 V970 Oph 10.0-16.5 Feb 17? *1657+22 SY Her 7.8-13.2 Feb 27 *1754+23A FU Her %@ 11.1-15.8 Feb 21? 1755+19 RY Her <9.0-13.8> Feb 8 1756+54 V Dra <9.9-14.2> Feb 18 1810+31 TV Her <9.7-14.5> Feb 25 *1815+12 V450 Oph %# 10.6-(15.0 Feb 24? *1839+22 AE Her 8.9-15.2 Feb 5? 1856+34 Z Lyr <10.1-14.8> Feb 17 1901+08 R Aql <6.1-11.5> Feb 16 1909+25 S Lyr <10.8-15.2> Feb 9 1913-21 Z Sgr <8.6-16.0> Feb 9 *1939+54 V369 Cyg 9.7-14.2 Feb 13? 1940+48 RT Cyg <7.3-11.8> Feb 10 *1940+27 YZ Vul @ 9.4-(15.0 Feb 10? 1946+32 Chi Cyg <5.2-13.4> Feb 10 1951-42 RU Sgr %# <7.2-12.8> Feb 11 1953-08 RS Aql & <9.7-15.2> Feb 3 2007+15A S Aql <8.9-12.4> Feb 5 2011+30 SX Cyg <9.0-14.3> Feb 14 2014+37B WX Cyg <9.7-12.6> Feb 15 2022-40 U Mic %@ <8.8-14.0> Feb 18 2026-22 RU Cap %@ <9.7-15.1> Feb 9 2109-03 RR Aqr <9.5-13.9> Feb 9 2219-38 T Gru %@ <8.6-11.5> Feb 16 2224+39 S Lac <8.2-13.0> Feb 23 2301+10 R Peg <7.8-13.2> Feb 7 2355+25 Z Peg <8.4-13.2> Feb 5 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 2011 0101-02 Z Cet & <8.9-13.5> Feb 21 0123+50 RZ Per %# <9.4-13.7> Feb 1 0133+38 Y And %# <9.2-14.2> Feb 9 0210+24 R Ari <8.2-13.2> Feb 2 *0226+46 AX And %& 9.7-14.7 Feb 7? 0346-25 U Eri <9.4-14.8> Feb 3 *0347+11 IK Tau %@ 12.3-15.8 Feb 19? *0349-46 U Hor %@ 7.5-(14.0 Feb 8? 0351-24 T Eri <8.0-12.8> Feb 7 0430+65 T Cam <8.0-13.8> Feb 6 0446+17 V Tau <9.2-13.7> Feb 22 *0459+35 AQ Aur %& 10.7-(15.5 Feb 1? 0509+53 R Aur <7.7-13.3> Feb 6 0520+36 W Aur %# <9.2-14.6> Feb 17 *0526+07 BK Ori & 9.0-14.0 Feb 27 0604+50 X Aur <8.6-12.7> Feb 6 0616+47 V Aur <9.2-12.1> Feb 18 *0619+25 VV Gem & 10.1-14.8 Feb 19? 0811+12 R Cnc <6.8-11.2> Feb 27 0816+17 V Cnc <7.9-12.8> Feb 23 *0911-04 UZ Hya 9.1-14.1 Feb 22? *1136+39 RU UMa 8.3-15.1 Feb 19? 1239+61 S UMa <7.8-11.7> Feb 2 1315+46 V CVn <6.8-8.8> Feb 16 1344+40 R CVn <7.7-11.9> Feb 10 *1344+34 RT CVn 9.9-(15.0 Feb 20? 1405-28 RU Hya %& <8.4-14.0> Feb 28 1425+39 V Boo <7.0-11.3> Feb 11(I) 1432+27 R Boo <7.2-12.3> Feb 6 *1443+39 RR Boo <8.8-12.7> Feb 25? 1532-15 W Lib %@ <11.1-15.0> Feb 11 *1540-20 Z Lib %@ 11.7-(15.5 Feb 4? 1550-18 RR Lib %& <8.6-14.2> Feb 20 *1626+23 DO Her 10.3-(16.0 Feb 15? 1650-30 RR Sco # <5.9-11.8> Feb 18 1652-02 SS Oph <8.7-13.5> Feb 1 *1702+17 VY Her # 9.3-15.5 Feb 14? *1802+20B DF Her %& 10.1-14.3 Feb 23? *1829+16 DS Her %# 10.4-(15.4 Feb 6? *1903+33 AB Lyr 10.1-15.5 Feb 6? 1905+29A V Lyr <9.7-14.8> Feb 10 *1905+29B VZ Lyr %# 10.3-(15.5 Feb 28 *1909+31 EL Lyr %# 11.1-(15.0 Feb 1? 1913-19 S Sgr <10.2-14.8> Feb 6 1933+11 RT Aql <8.4-14.0> Feb 9 2003+57 S Cyg <10.3-16.0> Feb 20 2009-06 Z Aql <9.0-13.9> Feb 23 *2014+34 AU Cyg 8.7-15.5 Feb 6? 2028+17 Z Del <8.8-14.5> Feb 28 2038+16 S Del <8.8-12.0> Feb 4 2048+46 RZ Cyg <10.5-13.0> Feb 5 *2051-40 RY Mic %@ 9.7-13.8 Feb 17? 2105-04 RS Aqr <10.0-14.0> Feb 5 2108+12 R Equ & <9.3-14.5> Feb 18 2116+14 X Peg <9.4-13.8> Feb 6 2120-30 S Mic %& <9.0-13.8> Feb 26 2136+78 S Cep <8.3-11.2> Feb 6 *2158+13 DG Peg 10.2-15.2 Feb 17? *2207+54 AB Cep # 10.5-(15.0 Feb 9? 2251-20 S Aqr %& <8.3-14.1> Feb 20 *2352+55 WY Cas 8.2-15.5 Feb 17? 2352-09 V Cet @ <9.4-14.3> Feb 10 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 2011 *0014+44 VX And 7.9-9.6 MAX Feb 13? 0049+58 W Cas <8.8-11.8> MAX Feb 5 0101-02 Z Cet & <8.9-13.5> min Feb 21 0123+50 RZ Per %# <9.4-13.7> min Feb 1 0133+38 Y And %# <9.2-14.2> min Feb 9 0210+24 R Ari <8.2-13.2> min Feb 2 *0226+46 AX And %& 9.7-14.7 min Feb 7? 0231+33 R Tri <6.2-11.7> MAX Feb 17 0346-25 U Eri <9.4-14.8> min Feb 3 *0347+11 IK Tau %@ 12.3-15.8 min Feb 19? *0349-46 U Hor %@ 7.5-(14.0 min Feb 8? 0351-24 T Eri <8.0-12.8> min Feb 7 *0419+16 VX Tau %@ 9.7-(15.0 MAX Feb 22? 0422+09 R Tau %& <8.6-14.2> MAX Feb 18 0430+65 T Cam <8.0-13.8> min Feb 6 0432+08 RX Tau %& <9.6-14.0> MAX Feb 24 0437-38 R Cae %@ <7.9-13.1> MAX Feb 24 0446+17 V Tau <9.2-13.7> min Feb 22 *0459+35 AQ Aur %& 10.7-(15.5 min Feb 1? 0508-48 S Pic %@ <8.1-13.8> MAX Feb 21 0509+53 R Aur <7.7-13.3> min Feb 6 *0513-16 X Lep @ 8.8-15.6 MAX Feb 11? 0520+36 W Aur %# <9.2-14.6> min Feb 17 *0526+07 BK Ori & 9.0-14.0 min Feb 27 *0557+16 RR Ori 9.4-15.0 MAX Feb 15? 0604+50 X Aur <8.6-12.7> min Feb 6 *0612+75 W Cam @ 9.5-15.5 MAX Feb 14? 0616+47 V Aur <9.2-12.1> min Feb 18 *0619+25 VV Gem & 10.1-14.8 min Feb 19? 0717+13 V Gem & <8.5-14.2> MAX Feb 27 0756-12 U Pup %@ <9.8-14.1> MAX Feb 23 0811+12 R Cnc <6.8-11.2> min Feb 27 *0813-34 TU Pup %@ <9.9-13.9> MAX Feb 26 0816+17 V Cnc <7.9-12.8> min Feb 23 0830+19 U Cnc %# <9.9-14.6> MAX Feb 20 *0853-00 TU Hya %& 9.6-(15.5 MAX Feb 9? *0911-04 UZ Hya 9.1-14.1 min Feb 22? 0939+34 R LMi & <7.1-12.6> MAX Feb 6 1006-61 S Car # <5.7-8.5> MAX Feb 4 1010-58A Z Car %@ <10.7-15.2> MAX Feb 1 1116-61 RS Cen %@ <8.6-13.4> MAX Feb 4 *1136+39 RU UMa 8.3-15.1 min Feb 19? 1231+60 T UMa <7.7-12.9> MAX Feb 19 1239+61 S UMa <7.8-11.7> min Feb 2 *1242+38 U CVn 8.8-15.5 MAX Feb 5? 1315+46 V CVn <6.8-8.8> min Feb 16 1327-06 S Vir <7.0-12.7> MAX Feb 24 1332+73 T UMi <9.2-14.0> MAX Feb 7 1342-36 RT Cen %@ <9.0-12.7> MAX Feb 14 1344+40 R CVn <7.7-11.9> min Feb 10 *1344+34 RT CVn 9.9-(15.0 min Feb 20? 1405-28 RU Hya %& <8.4-14.0> min Feb 28 1425+84 R Cam <8.3-13.2> MAX Feb 9 1425+39 V Boo <7.0-11.3> min Feb 11(I) 1432+27 R Boo <7.2-12.3> min Feb 6 1434-17 V Lib # <9.7-14.7> MAX Feb 7 *1443+39 RR Boo <8.8-12.7> min Feb 25? 1500-18 RT Lib %& <9.0-14.3> MAX Feb 24 1505-19 T Lib %@ <10.9-15.2> MAX Feb 14 *1527+03 WW Ser 10.3-14.6 MAX Feb 20? 1528-49A R Nor <7.2-13.2> MAX Feb 19(I) 1532-15 W Lib %@ <11.1-15.0> min Feb 11 *1540-20 Z Lib %@ 11.7-(15.5 min Feb 4? 1547-36 R Lup %@ <10.1-14.1> MAX Feb 23 1550-18 RR Lib %& <8.6-14.2> min Feb 20 *1607+10 DN Her 9.9-14.5 MAX Feb 13? 1616-07 W Oph %& <9.9-14.5> MAX Feb 8 *1626+23 DO Her 10.3-(16.0 min Feb 15? 1632+66 R Dra <7.6-12.4> MAX Feb 22 1643-19 RR Oph <8.9-14.6> MAX Feb 13 *1647+05 RX Oph %# 9.0-(15.5 MAX Feb 25? *1650+07 V970 Oph 10.0-16.5 MAX Feb 17? 1650-30 RR Sco # <5.9-11.8> min Feb 18 1652-02 SS Oph <8.7-13.5> min Feb 1 *1657+22 SY Her 7.8-13.2 MAX Feb 27 *1702+17 VY Her # 9.3-15.5 min Feb 14? *1754+23A FU Her %@ 11.1-15.8 MAX Feb 21? 1755+19 RY Her <9.0-13.8> MAX Feb 8 1756+54 V Dra <9.9-14.2> MAX Feb 18 *1802+20B DF Her %& 10.1-14.3 min Feb 23? 1810+31 TV Her <9.7-14.5> MAX Feb 25 *1815+12 V450 Oph %# 10.6-(15.0 MAX Feb 24? *1829+16 DS Her %# 10.4-(15.4 min Feb 6? *1839+22 AE Her 8.9-15.2 MAX Feb 5? 1856+34 Z Lyr <10.1-14.8> MAX Feb 17 1901+08 R Aql <6.1-11.5> MAX Feb 16 *1903+33 AB Lyr 10.1-15.5 min Feb 6? 1905+29A V Lyr <9.7-14.8> min Feb 10 *1905+29B VZ Lyr %# 10.3-(15.5 min Feb 28 *1909+31 EL Lyr %# 11.1-(15.0 min Feb 1? 1909+25 S Lyr <10.8-15.2> MAX Feb 9 1913-19 S Sgr <10.2-14.8> min Feb 6 1913-21 Z Sgr <8.6-16.0> MAX Feb 9 1933+11 RT Aql <8.4-14.0> min Feb 9 *1939+54 V369 Cyg 9.7-14.2 MAX Feb 13? 1940+48 RT Cyg <7.3-11.8> MAX Feb 10 *1940+27 YZ Vul @ 9.4-(15.0 MAX Feb 10? 1946+32 Chi Cyg <5.2-13.4> MAX Feb 10 1951-42 RU Sgr %# <7.2-12.8> MAX Feb 11 1953-08 RS Aql & <9.7-15.2> MAX Feb 3 2003+57 S Cyg <10.3-16.0> min Feb 20 2007+15A S Aql <8.9-12.4> MAX Feb 5 2009-06 Z Aql <9.0-13.9> min Feb 23 2011+30 SX Cyg <9.0-14.3> MAX Feb 14 2014+37B WX Cyg <9.7-12.6> MAX Feb 15 *2014+34 AU Cyg 8.7-15.5 min Feb 6? 2022-40 U Mic %@ <8.8-14.0> MAX Feb 18 2026-22 RU Cap %@ <9.7-15.1> MAX Feb 9 2028+17 Z Del <8.8-14.5> min Feb 28 2038+16 S Del <8.8-12.0> min Feb 4 2048+46 RZ Cyg <10.5-13.0> min Feb 5 *2051-40 RY Mic %@ 9.7-13.8 min Feb 17? 2105-04 RS Aqr <10.0-14.0> min Feb 5 2108+12 R Equ & <9.3-14.5> min Feb 18 2109-03 RR Aqr <9.5-13.9> MAX Feb 9 2116+14 X Peg <9.4-13.8> min Feb 6 2120-30 S Mic %& <9.0-13.8> min Feb 26 2136+78 S Cep <8.3-11.2> min Feb 6 *2158+13 DG Peg 10.2-15.2 min Feb 17? *2207+54 AB Cep # 10.5-(15.0 min Feb 9? 2219-38 T Gru %@ <8.6-11.5> MAX Feb 16 2224+39 S Lac <8.2-13.0> MAX Feb 23 2251-20 S Aqr %& <8.3-14.1> min Feb 20 2301+10 R Peg <7.8-13.2> MAX Feb 7 *2352+55 WY Cas 8.2-15.5 min Feb 17? 2352-09 V Cet @ <9.4-14.3> min Feb 10 2355+25 Z Peg <8.4-13.2> MAX Feb 5