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 September 2010 0031+79 Y Cep <9.6-15.1> Sep 9 0106-30 U Scl %& <9.8-15.1> Sep 27 0109+40 U And <9.9-14.3> Sep 7 0159+12 S Ari %& <10.9-15.2> Sep 20 *0204+48 RV And 9.0-11.5 Sep 26? 0257-51 T Hor %@ <8.2-13.2> Sep 9 0314-01 X Cet <8.8-12.3> Sep 12 0323+35 R Per %# <8.7-14.0> Sep 14 0346-25 U Eri <9.4-14.8> Sep 14 0351-24 T Eri <8.0-12.8> Sep 22 *0357+16 TZ Tau %& 11.5-14.5 Sep 28? *0459+35 AQ Aur %& 10.7-(15.5 Sep 16? 0520+36 W Aur %# <9.2-14.6> Sep 16 0546+15C RU Tau <10.4-15.1> Sep 5 0546-29 R Col & <8.9-14.3> Sep 15 *0604+43 RR Aur <9.4-13.7> Sep 6? 0811+12 R Cnc <6.8-11.2> Sep 1 *0816+33 T Lyn 9.0-13.0 Sep 10? 0816+17 V Cnc <7.9-12.8> Sep 28 1006-61 S Car # <5.7-8.5> Sep 8 *1136+39 RU UMa 8.3-15.1 Sep 18? 1159+19 R Com <8.5-14.2> Sep 10 1200+12 SU Vir %& <9.4-13.6> Sep 16 *1233+66 RV Dra <9.2-13.7> Sep 5? *1344+34 RT CVn 9.9-(15.0 Sep 30? 1517+31 S CrB <7.3-12.9> Sep 21 1517+14 S Ser <8.7-13.5> Sep 20 1518-22 RS Lib <7.5-12.0> Sep 23 1527-14 RU Lib %# <8.1-14.0> Sep 13 1546+15 R Ser <6.9-13.4> Sep 12 1602-21A X Sco %& <11.0-14.3> Sep 2 1628+07A SS Her <9.2-12.4> Sep 27 1647+15 S Her <7.6-12.6> Sep 25 1650-30 RR Sco # <5.9-11.8> Sep 24 1656+31 RV Her <10.1-14.8> Sep 16 1708-33 RW Sco %@ <9.6>-15.0 Sep 21 1717+23 RS Her <7.9-12.5> Sep 5 1751+11 RT Oph <9.6-15.1> Sep 13 *1802+20B DF Her %& 10.1-14.3 Sep 1? *1815+12 V450 Oph %# 10.6-(15.0 Sep 19? *1829+16 DS Her %# 10.4-(15.4 Sep 7? 1841+34 RY Lyr <9.8-14.7> Sep 15 *1853+16 EU Aql %& 11.4-15.1 Sep 9? 1908-18 RX Sgr <9.7-13.8> Sep 11 1909+41 RU Lyr <10.6-15.1> Sep 26 *1909+31 EL Lyr %# 11.1-(15.0 Sep 11? 1910-19 R Sgr <7.3-12.5> Sep 2 *1940+67 ZZ Dra 9.2-15.5 Sep 1? 2002+12 SY Aql <9.5-14.4> Sep 18 *2007+20A ST Sge 9.9-14.4 Sep 23? 2007+15A S Aql <8.9-12.4> Sep 11 *2007+06 TV Aql @ 9.5-(15.0 Sep 22? *2025+12 RX Del 10.2-(15.5 Sep 16? 2028+17 Z Del <8.8-14.5> Sep 14 2038+16 S Del <8.8-12.0> Sep 24 2044-05 T Aqr <7.7-13.1> Sep 27 2048+46 RZ Cyg <10.5-13.0> Sep 29 2105-16 Z Cap # <9.5-14.0> Sep 7 2108+12 R Equ & <9.3-14.5> Sep 24 *2117+21 SW Peg 8.7-15.5 Sep 30? *2140+12 TU Peg 8.2-13.8 Sep 30? 2159+34 RT Peg %# <9.9-14.5> Sep 30 2206+13 Y Peg <10.5-14.9> Sep 27 2212-30 R PsA <9.2-14.7> Sep 24 2234-62 T Tuc %@ <8.1-13.2> Sep 28 *2343+15 DL Peg %# 10.0-15.0 Sep 25? 2350+53 RR Cas %# <10.5-14.0> Sep 28 2352-09 V Cet @ <9.4-14.3> Sep 23 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 September 2010 0017+26 T And <8.5-13.8> Sep 5 *0022+30 YZ And 10.1-15.9 Sep 19? *0031+62 TY Cas 10.3-(16.5 Sep 29? 0044-35 X Scl %@ <10.6-(14.2> Sep 21 0054-75 U Tuc %@ <8.6-14.1> Sep 26 0125+02 R Psc %# <8.2-14.3> Sep 4 0152+54 U Per <8.1-11.3> Sep 2 *0313+32 TW Per & 9.4-(15.0 Sep 15? 0422+15 W Tau <9.9-11.4> Sep 21 0437-38 R Cae %@ <7.9-13.1> Sep 19 0446+17 V Tau <9.2-13.7> Sep 7 0508-48 S Pic %@ <8.1-13.8> Sep 15 0515-33 T Col %# <7.5-11.9> Sep 18 *0602+46 VY Aur 10.3-14.7 Sep 30? *0612+75 W Cam @ 9.5-15.5 Sep 29? *0618+50 GO Aur @ 9.7-14.8 Sep 5? 0652-08 X Mon <7.4-9.1> Sep 28 0742-41 W Pup %& <8.4-12.4> Sep 22 *0810+40 W Lyn %& 9.3-(15.5 Sep 21? *0853-00 TU Hya %& 9.6-(15.5 Sep 22? 0939+34 R LMi & <7.1-12.6> Sep 6 1105+06 S Leo <10.1-13.9> Sep 16 1228-54 U Cen %@ <8.2-13.4> Sep 29 1242+04 RU Vir <10.0-13.3> Sep 26 1327-06 S Vir <7.0-12.7> Sep 7 1336-33 T Cen <5.5-9.0> Sep 1 1342-36 RT Cen %@ <9.0-12.7> Sep 27 1409-59 R Cen <5.8-11.1> Sep 2(II) 1419+54 S Boo <8.4-13.3> Sep 9 1452-54 Y Lup %@ <9.8-15.1> Sep 4 *1527+03 WW Ser 10.3-14.6 Sep 1? 1536-54 T Nor %@ <7.4-13.2> Sep 16 1552+29 Z CrB <10.0-14.6> Sep 20 1601+18 R Her <8.8-14.6> Sep 13 1606+25 RU Her <8.0-13.7> Sep 10 *1608+25 VV Her %# 10.2-16.0 Sep 7? 1616-07 W Oph %& <9.9-14.5> Sep 28 1623-19 Y Sco %@ <11.3-15.0> Sep 24 *1657+22 SY Her 7.8-13.2 Sep 10? 1756+54 V Dra <9.9-14.2> Sep 17 1850+32 RX Lyr <11.9-(15.5> Sep 10 1856+34 Z Lyr <10.1-14.8> Sep 24 1909+67 U Dra <9.5-13.8> Sep 20 1913-31 SW Sgr %@ <10.0-(13.4> Sep 8 1916+37 U Lyr <9.5-12.0> Sep 11 *1918+31 AN Lyr 9.3-(15.0 Sep 1? *1939+54 V369 Cyg 9.7-14.2 Sep 12? *2002+50 BU Cyg 9.6-(16.0 Sep 27? 2011+30 SX Cyg <9.0-14.3> Sep 8 *2012+09 RU Del 10.4-15.2 Sep 11? 2042-15 U Cap @ <11.1-14.8> Sep 14 2043+18 V Del <10.1-15.5> Sep 21 *2057-82 T Oct %@ <9.5-14.3> Sep 18? *2158+13 DG Peg 10.2-15.2 Sep 23? 2204+12 T Peg # <8.9-14.3> Sep 10 *2229+24 SS Peg 8.0-14.5 Sep 4? 2307+59 V Cas <7.9-12.2> Sep 24 2327-46 V Phe %@ <9.2-14.0> Sep 11 2338-15 R Aqr <6.5-10.3> Sep 2 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 September 2010 0017+26 T And <8.5-13.8> min Sep 5 *0022+30 YZ And 10.1-15.9 min Sep 19? 0031+79 Y Cep <9.6-15.1> MAX Sep 9 *0031+62 TY Cas 10.3-(16.5 min Sep 29? 0044-35 X Scl %@ <10.6-(14.2> min Sep 21 0054-75 U Tuc %@ <8.6-14.1> min Sep 26 0106-30 U Scl %& <9.8-15.1> MAX Sep 27 0109+40 U And <9.9-14.3> MAX Sep 7 0125+02 R Psc %# <8.2-14.3> min Sep 4 0152+54 U Per <8.1-11.3> min Sep 2 0159+12 S Ari %& <10.9-15.2> MAX Sep 20 *0204+48 RV And 9.0-11.5 MAX Sep 26? 0257-51 T Hor %@ <8.2-13.2> MAX Sep 9 *0313+32 TW Per & 9.4-(15.0 min Sep 15? 0314-01 X Cet <8.8-12.3> MAX Sep 12 0323+35 R Per %# <8.7-14.0> MAX Sep 14 0346-25 U Eri <9.4-14.8> MAX Sep 14 0351-24 T Eri <8.0-12.8> MAX Sep 22 *0357+16 TZ Tau %& 11.5-14.5 MAX Sep 28? 0422+15 W Tau <9.9-11.4> min Sep 21 0437-38 R Cae %@ <7.9-13.1> min Sep 19 0446+17 V Tau <9.2-13.7> min Sep 7 *0459+35 AQ Aur %& 10.7-(15.5 MAX Sep 16? 0508-48 S Pic %@ <8.1-13.8> min Sep 15 0515-33 T Col %# <7.5-11.9> min Sep 18 0520+36 W Aur %# <9.2-14.6> MAX Sep 16 0546+15C RU Tau <10.4-15.1> MAX Sep 5 0546-29 R Col & <8.9-14.3> MAX Sep 15 *0602+46 VY Aur 10.3-14.7 min Sep 30? *0604+43 RR Aur <9.4-13.7> MAX Sep 6? *0612+75 W Cam @ 9.5-15.5 min Sep 29? *0618+50 GO Aur @ 9.7-14.8 min Sep 5? 0652-08 X Mon <7.4-9.1> min Sep 28 0742-41 W Pup %& <8.4-12.4> min Sep 22 *0810+40 W Lyn %& 9.3-(15.5 min Sep 21? 0811+12 R Cnc <6.8-11.2> MAX Sep 1 *0816+33 T Lyn 9.0-13.0 MAX Sep 10? 0816+17 V Cnc <7.9-12.8> MAX Sep 28 *0853-00 TU Hya %& 9.6-(15.5 min Sep 22? 0939+34 R LMi & <7.1-12.6> min Sep 6 1006-61 S Car # <5.7-8.5> MAX Sep 8 1105+06 S Leo <10.1-13.9> min Sep 16 *1136+39 RU UMa 8.3-15.1 MAX Sep 18? 1159+19 R Com <8.5-14.2> MAX Sep 10 1200+12 SU Vir %& <9.4-13.6> MAX Sep 16 1228-54 U Cen %@ <8.2-13.4> min Sep 29 *1233+66 RV Dra <9.2-13.7> MAX Sep 5? 1242+04 RU Vir <10.0-13.3> min Sep 26 1327-06 S Vir <7.0-12.7> min Sep 7 1336-33 T Cen <5.5-9.0> min Sep 1 1342-36 RT Cen %@ <9.0-12.7> min Sep 27 *1344+34 RT CVn 9.9-(15.0 MAX Sep 30? 1409-59 R Cen <5.8-11.1> min Sep 2(II) 1419+54 S Boo <8.4-13.3> min Sep 9 1452-54 Y Lup %@ <9.8-15.1> min Sep 4 1517+31 S CrB <7.3-12.9> MAX Sep 21 1517+14 S Ser <8.7-13.5> MAX Sep 20 1518-22 RS Lib <7.5-12.0> MAX Sep 23 *1527+03 WW Ser 10.3-14.6 min Sep 1? 1527-14 RU Lib %# <8.1-14.0> MAX Sep 13 1536-54 T Nor %@ <7.4-13.2> min Sep 16 1546+15 R Ser <6.9-13.4> MAX Sep 12 1552+29 Z CrB <10.0-14.6> min Sep 20 1601+18 R Her <8.8-14.6> min Sep 13 1602-21A X Sco %& <11.0-14.3> MAX Sep 2 1606+25 RU Her <8.0-13.7> min Sep 10 *1608+25 VV Her %# 10.2-16.0 min Sep 7? 1616-07 W Oph %& <9.9-14.5> min Sep 28 1623-19 Y Sco %@ <11.3-15.0> min Sep 24 1628+07A SS Her <9.2-12.4> MAX Sep 27 1647+15 S Her <7.6-12.6> MAX Sep 25 1650-30 RR Sco # <5.9-11.8> MAX Sep 24 1656+31 RV Her <10.1-14.8> MAX Sep 16 *1657+22 SY Her 7.8-13.2 min Sep 10? 1708-33 RW Sco %@ <9.6>-15.0 MAX Sep 21 1717+23 RS Her <7.9-12.5> MAX Sep 5 1751+11 RT Oph <9.6-15.1> MAX Sep 13 1756+54 V Dra <9.9-14.2> min Sep 17 *1802+20B DF Her %& 10.1-14.3 MAX Sep 1? *1815+12 V450 Oph %# 10.6-(15.0 MAX Sep 19? *1829+16 DS Her %# 10.4-(15.4 MAX Sep 7? 1841+34 RY Lyr <9.8-14.7> MAX Sep 15 1850+32 RX Lyr <11.9-(15.5> min Sep 10 *1853+16 EU Aql %& 11.4-15.1 MAX Sep 9? 1856+34 Z Lyr <10.1-14.8> min Sep 24 1908-18 RX Sgr <9.7-13.8> MAX Sep 11 1909+67 U Dra <9.5-13.8> min Sep 20 1909+41 RU Lyr <10.6-15.1> MAX Sep 26 *1909+31 EL Lyr %# 11.1-(15.0 MAX Sep 11? 1910-19 R Sgr <7.3-12.5> MAX Sep 2 1913-31 SW Sgr %@ <10.0-(13.4> min Sep 8 1916+37 U Lyr <9.5-12.0> min Sep 11 *1918+31 AN Lyr 9.3-(15.0 min Sep 1? *1939+54 V369 Cyg 9.7-14.2 min Sep 12? *1940+67 ZZ Dra 9.2-15.5 MAX Sep 1? *2002+50 BU Cyg 9.6-(16.0 min Sep 27? 2002+12 SY Aql <9.5-14.4> MAX Sep 18 *2007+20A ST Sge 9.9-14.4 MAX Sep 23? 2007+15A S Aql <8.9-12.4> MAX Sep 11 *2007+06 TV Aql @ 9.5-(15.0 MAX Sep 22? 2011+30 SX Cyg <9.0-14.3> min Sep 8 *2012+09 RU Del 10.4-15.2 min Sep 11? *2025+12 RX Del 10.2-(15.5 MAX Sep 16? 2028+17 Z Del <8.8-14.5> MAX Sep 14 2038+16 S Del <8.8-12.0> MAX Sep 24 2042-15 U Cap @ <11.1-14.8> min Sep 14 2043+18 V Del <10.1-15.5> min Sep 21 2044-05 T Aqr <7.7-13.1> MAX Sep 27 2048+46 RZ Cyg <10.5-13.0> MAX Sep 29 *2057-82 T Oct %@ <9.5-14.3> min Sep 18? 2105-16 Z Cap # <9.5-14.0> MAX Sep 7 2108+12 R Equ & <9.3-14.5> MAX Sep 24 *2117+21 SW Peg 8.7-15.5 MAX Sep 30? *2140+12 TU Peg 8.2-13.8 MAX Sep 30? *2158+13 DG Peg 10.2-15.2 min Sep 23? 2159+34 RT Peg %# <9.9-14.5> MAX Sep 30 2204+12 T Peg # <8.9-14.3> min Sep 10 2206+13 Y Peg <10.5-14.9> MAX Sep 27 2212-30 R PsA <9.2-14.7> MAX Sep 24 *2229+24 SS Peg 8.0-14.5 min Sep 4? 2234-62 T Tuc %@ <8.1-13.2> MAX Sep 28 2307+59 V Cas <7.9-12.2> min Sep 24 2327-46 V Phe %@ <9.2-14.0> min Sep 11 2338-15 R Aqr <6.5-10.3> min Sep 2 *2343+15 DL Peg %# 10.0-15.0 MAX Sep 25? 2350+53 RR Cas %# <10.5-14.0> MAX Sep 28 2352-09 V Cet @ <9.4-14.3> MAX Sep 23