COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE

Nos. 1701-1800 1979 November - 1980 June

EDITOR: B. SZEIDL, KONKOLY OBSERVATORY 1525 BUDAPEST, Box 67, HUNGARY HU ISSN 0374-0676 CONTENTS

1979

No Page 1701 M.K. HART, K. KING, B.R. McNAMARA, R.L. SEAMAN and J. STOKE: Photoelectric Minima of AW UMa and W UMa ...... 1 1702 Z. KVIZ: Minima of Southern Eclipsing Variables, 1975-1979 Siding Spring ...... 1-2 1703 M.A. CERRUTI: Light Elements of V 757 Cen ...... 1-3 1704 C.H. LACY and D.S. EVANS: New Eclipsing Binary Results Obtained with a Reticon Detector 1-3 1705 S. HOWELL and R.J. PANEK: Variability of SS433... 1 1706 E.P. BELSERENE: The 1978 Nova in Sgr ...... 1-2 1707 B. WARNER: High Speed Photometry of U Sco ...... 1-2 1708 R.H. KOCH, F.B. WOOD, D.R. FLORKOWSKI and J.P. OLIVER: A Selection of Observationally Attractive Close Binaries ...... 1-4 1709 R.H. KOCH, F.B: WOOD, D.R. FLORKOWSKI and J.P. OLIVER: Photoelectrically-Neglected Eclipsing Binaries ...... 1-3 1710 M. SZTAJNO: Photometric Observations of TT Ari ... 1-4 1711 H.W. DUERBECK, B. LEMKE and E. WILLERDING: Interstellar Lines in the Spectrum of Nova DN Geminorum (1912) ...... 1-3 1712 IL-SEONG NHA and JANG HAE JEONG: Times of Minima of Six Eclipsing Variables ...... 1-2 1713 J.J. CLARIA and R.F. SISTERO: RY Indi: Light Elements ...... 1-2 1714 B.S. CARTER and M.W. FEAST: The Eruptive Variable in Scorpius: A Symbiotic ...... 1 1715 M. HOFFMANN: Photoelectric Observations of RW Comae Berenicis ...... 1-3 1716 C.D. PIKE and C. LLOYD: The Nature of V986 Oph ... 1-4 1717 K. OLAH: On the Light Variation of HD 209813= HK Lac ...... 1-4 1718 B. SZEIDL: Radial-Velocity Variations of DY Her ... 1-3 1719 G. KOVACS and L. SZABADOS: BD+4d4009, A New Bright Cepheid Variable ...... 1-4 1720 W. WENZEL: Object Stepanyan 153519 Possibly of U Geminorum Type ...... 1 1721 E. MARILLI and G. STRAZZULLA: UBV Photoelectric Observations of V 1016 Cyg during 1979... 1-3 1722 JOHANNA JURCSIK and L. SZABADOS: Period Increase in FG Sge ...... 1-4 1723 E.F. GUINAN, G.P. McCOOK, J.L. FRAGOLA and A.G. WEISENBERGER: Variations in the Light Curve of V711 Tauri (HR1099) ...... 1-3

1980

1724 P. MAYER: Light Elements of the Eclipsing Binary LY Aurigae ...... 1-3 1725 R.I. KILADZE and R.SH. NATSVLISHVILI: New Flare Stars in Orion ...... 1-2 1726 R.SH. NATSVLISHVILI and N.D. MELIKIAN: Flare Stars in Orion ...... 1 1727 N.D. MELIKIAN, N.N. KILJACHKOV, A.A. AVERIANOV, O.I. STALBOVSKY, V.S. SHEVCHENKO and N.A. SHUTIOMOVA: Slow Brightness Variation of the Star UV Cet ...... 1-2 1728 G. BURKI and M. MAYOR: HR 7308, A Short-Period Cepheid with Variable Amplitude ...... 1-4 1729 P.G. NIARCHOS: Photoelectric Light Curves of VW Cephei ...... 1-4 1730 E.A. KOLOTILOV and R.M. RUSSEV: Inverse P Cyg Profile of H_alpha in the Spectrum of the Red Giant HD 139216=tau^4 Ser ...... 1-2 1731 W. GOTZ: A New Flare Star in the Praesepe Cluster (=S 10834) ...... 1 1732 S. EVREN. Z. TUNCA, O. TUMER, A.Y. ERTAN, C. IBANOGLU, M. KURUTAC: New Light Curves of RS CVn. 1-2 1733 T.D. PADALIA: Photoelectric Photometry of the Spectroscopic Binary HD 91948 ...... 1-4 1734 J.R. PERCY: The Variability of HR 8768 ...... 1-2 1735 H.M. MAITZEN: Photometric Variability of the Silicon Ap-Star HD 43819 ...... 1-3 1736 P. ROVITHIS and H. ROVITHIS-LIVANIOU: Photoelectric Minima of VW Cephei ...... 1-2 1737 A.Y. ERTAN, Z. TUNCA, S. EVREN, O. TUMER, M. KURUTAC and C. IBANOGLU: The Light Curves of RT CrB ...... 1-2 1738 H.W. DUERBECK and W.C. SEITTER: Notes on the Spectrum of U Scorpii and on Its Position among the Recurrent Novae ...... 1-4 1739 U.S. CHAUBEY: Flare Like Activities in Eclipsing Binary DI Peg ...... 1-3 1740 A.L. DUMITRESCU and R. DINESCU: The Elements of the Eclipsing Binary HU Tauri ...... 1-2 1741 O. TUMER, M. KURUTAC, Z. TUNCA, S. EVREN, A.Y. ERTAN and C. IBANOGLU: B V Light Curves of SZ Psc ...... 1-3 1742 J.D. FERNIE: Further Note on HD 219018, Comparison Star to SZ Psc ...... 1-2 1743 MARTHA H. LILLER: Historical Light Curve for Stepanian's in Serpens .. 1-3 1744 H.K. BRANCEWICZ and T.Z. DWORAK: Catalogue of Parameters for Eclipsing Binaries... 1-2 1745 J,D. DORREN, N. RIAZI, E.F. GUINAN and M.K. HART: Photometry of HR 5110 ...... 1-3 1746 I. JANKOVICS, J. KELEMEN, M.K. TSVETKOV and K.P. TSVETKOVA: Flare Star Observations in the NGC 7000 and IC 5070 Region in 1977-1979 ...... 1-2 1747 W. GOTZ: The Brightness Increase of DR Tauri ... 1-2 1748 M.M. VILLADA: Accurate Positions of Some R Coronae Borealis variable Stars ...... 1-2 1749 M.K. TSVETKOV, S.A. TSVETKOV and ASSYA G.TSVETKOVA: Flare Stars in the Pleiades Region ... 1-2 1750 N.D. MELIKJAN, I. JANKOVICS, KATYA P. TSVETKOVA and M.K. TSVETKOV: The First Flare Star in the Region Near gamma Cygni ... 1-2 1751 L. PATKOS: Photoelectric Minima of Eclipsing Variables...... 1 1752 MARTHA H. LILLER and R.A. SCHOMMER: Photometric Observations of the Variable (?) UV- Bright Star K1082 in M15 ...... 1-2 1753 C. BARTOLINI, A. DAPERGOLAS, G. PARMEGGIANI; A. PICCIONI and M. VOLI: Rho Vir: A Hot Delta Scuti Star ? ...... 1-3 1754 S.C. JOSHI, B.S. RAUTELA and B.B. SANWAL: Spectrophotometric Observations of Mira Ceti.. 1-2 1755 P. RENSON and J. MANFROID: Nouvelle recherche de periodes d'etoiles Ap observees a l'ESO - IV ...... 1-2 1756 D.W. COATES, L. HALPRIN, G.N. HEINTZE and K. THOMPSON: Further Observations of SX Phoenicis ...... 1-2 1757 C. BARTOLINI, A. DAPERGOLAS, A. PICCIONI and M. VOLI: The GG Vir ...... 1-3 1758 J.E. HESSER: A Low-Amplitude Red Variable Star Near the Globular Cluster NGC 6352 ... 1-3 1759 R. GRAVINA: Spectroscopic Observations of CI Cygni in 1978 and 1979 ...... 1-2 1760 M. GOOSSENS, C. STOOP and C. WAELKENS: Periods and Mean Light Curves of 22 Long Period Variables in a Field Centered at alpha=13h, delta=-70d ...... 1-18 1761 R. HAEFNER and R. SCHOEMBS: Spectroscopic and Photoelectric Measurements of nu Eri 1-5 1762 G.E. McCLUSKEY, Y. KONDO and J. RAHE: Phase- Dependent Mass Flow in UW CMa ..... 1-2 1763 EUROPEAN Ap WORKING GROUP: Results of the First Photometric Run at ESO by the European Workgroup on Ap Stars ...... 1-3 1764 D.S. HALL, G.W. HENRY, H. LOUTH, L.P. LOVELL and CH. STEPHAN: 6 Iota Trianguli: A New Variable Star ...... 1-3 1765 K. OLAH: Variability of the Red Dwarf Star Gliese 83.3 ...... 1-2 1766 R.S. STOBIE: IAU Colloquium No. 58 on Stellar Hydrodinamics ...... 1 1767 R. DIETHELM and A. GAUTSCHY: Elements for CSV 8853= Wr136 ...... 1-3 1768 P.B. BYRNE: Request for Cooperation from Optical and Radio Observers ...... 1-2 1769 TATIANA RUSSEVA and R. RUSSEV: Three New Red Variable Stars, V10 and V15 in M13.. 1-4 1770. E.H. OLSEN: HD 17576AB: A Variable G Dwarf with a Very Hot Subdwarf Companion ..... 1-3 1771 W.P. BIDELMAN:One Less Star ...... 1 1772 O.J. EGGEN: Short Period Variability of HD 33474 1-2 1773 R.C. CRAWFORD and E.C. OLSON: New Photometric Activity in U Cephei ...... 1-3 1774 M.I. KIBARDINA and L.A. OURASSINE: Coordonnees precises de supernova 1980 dans NGC 3733 ...... 1 1775 A. ALKSNIS and A.S. SHAROV: On the 1978 August Peculiar Nova in M 31 ...... 1-2 1776 G. ROMANO and L. ROSINO: A Deep Minimum of MV Lyrae ...... 1 1777 P. ROVITHIS and H. ROVITHIS-LIVANIOU: Photoelectric Minima of Some Eclipsing Variables .. 1 1778 B. VETO: Ultraviolet Observations of the Silicon Star HD 179761 ...... 1-2 1779 I. JANKOVICS, N.D. MELIKJAN and M.K. TSVETKOV: Three New Flare Stars ...... 1-2 1780 I. JANKOVICS, M.K. TSVETKOV and J. KELEMEN: Flare Star Observations in the Pleiades - Region in 1979 ...... 1-2 1781 B.B. BOOKMYER and P.A. BASILICO: Improved Ephemeris, UX Eridani ...... 1 1782 U. HOPP and S. WITZIGMANN: B V Observations of Pleione (BU Tau) 1977- 1980 ...... 1-2 1783 O. TUMER, S. EVREN and Z. TUNCA: New Photoelectric Times of Minima and the Period Variations of the Eclipsing Variable W UMa 1-3 1784 M.E. CONTADAKIS, F. MAHMOUD, L.N. MAVRIDIS and D. STAVRIDIS: Photoelectric Observations of the Flare Star EV Lac in 1975 1-8 1785 W. WENZEL: On the Periodicity of SS 433 ...... 1 1786 G. GIURICIN, F. MARDIROSSIAN and F. PREDOLIN: Revised Photometric Elements of Y Leo 1-2 1787 M. ZEILIK, LINDA BAYLISS and P. HECKERT: Infrared Photometry of Algol ...... 1-4 1788 M. PETIT: Etoiles variables ou suspectes de grande parallaxe ...... 1-2 1789 HERTA GESSNER: Variability of Nebulous Object at 5h44m +46.4d ...... 1 1790 F. MARDIROSSIAN, F. PREDOLIN and G. GUIRICIN: Revised Photometric Elements of ST Aqr ...... 1-2 1791 M.V. MEKKADAN, A.V. RAVEENDRAN and S. MOHIN: photometry of HD 166181 ...... 1-4 1792 S. AVGOLOUPIS, L.N. MAVRIDIS and P. VARVOGLIS: Photoelectric Observations of the Flare Star UV Cet in 1978 ...... 1-4 1793 S. AVGOLOUPIS, P. PHYLACTOPOULOS, G. KAREKLIDIS, L.N. MAVRIDIS and P. VARVOGLIS: Photoelectric Observations of the Flare Star EV Lac in 1978 ...... 1-6 1794 D. CHIS, C. CRISTESCU, G. OPRESCU, M.D. SURAN, I. TODORAN and V. POP: The Binary System BS Draconis ...... 1-2 1795 L. MEINUNGER: Spectra of Four Blue Irregular Variables in Andromeda ...... 1-2 1796 J.F. DEAN: BVRI Photometry of the Superluminous Supergiants HR5171 and HR 6392 ..... 1-3 1797 B.W. BOPP: Gliese 83.3: Not a Red Dwarf, But an Unusual Variable Nevertheless ...... 1-2 1798 D.S. HALL, G.W. HENRY, CH.A. VAUCHER, H.J. LANDIS, H. LOUTH, R.E. MONTLE and D.R. SKILLMAN: 93 Leonis: A New Variable Star ...... 1-4 1799 F. MAHMOUD, L.N. MAVRIDIS, D. STAVRIDIS and P. VARVOGLIS: Photoelectric Observations of the Flare Star BD+55d1823 in 1975 ...... 1-3 1800 T. WESSELINK, J. van PARADIJS, R.F.A. STALLER, E.J.A. MEURS and D. KESTER: UBV - Observations of the Eclipsing Binaries Z Her, AR Lac, AW Peg and RS Vul ...... 1-5 AUTHOR INDEX

Alksnis, A. 1775 Averianov, A.A. 1727 Avgoloupis, S. 1792, 1793 Bartolini, C. 1753, 1757 Basilico, P.A. 1781 Bayliss, L. 1787 Belserene, E.P. 1706 Bidelman, W.P. 1771 Bookmyer, B.B. 1781 Bopp, B.W. 1797 Brancewicz, H.K. 1744 Burki, G. 1728 Byrne, P.B. 1768 Carter, B.S. 1714 Catalano, F.A. 1763 Cerruti, M.A. 1703 Chaubey, U.S. 1739 Chis, D. 1794 Claria, J.J. 1713 Coates, D.W. 1756 Contadakis, M.E. 1784 Crawford, R.C. 1774 Cristescu, C. 1794 Dapergolas, A. 1753, 1757 Dean, J.F. 1796 Deridder, Gh. 1763 Diethelm, R. 1767 Dinescu, R. 1740 Dorren, J.D. 1745 Duerbeck, H.W. 1711, 1738 Dumitrescu, A. 1740 Dworak, T.Z. 1744 Eggen, O.J. 1772 Ertan, A.Y. 1732, 1737, 1741 Evans, D.S. 1704 Evren, S. 1732, 1737, 1741, 1783 Faraggiana, R. 1763 Feast, M.W. 1714 Fernie, J.D. 1742 Floquet, M. 1763 Florkowski, D.F. 1708, 1709 Fragola, J.L. 1723 Gautschy, A: 1767 Gerbaldi, M. 1763 Gessner, H. 1789 Giuricin, G. 1786, 1790 Goossens, M. 1760 Gotz, W. 1731, 1747 Gravina, F. 1759 Guinan, E.F. 1723, 1745 Haefner, R. 1761 Hall, D.S. 1764, 1798 Halprin, L. 1756 Hart, M.K. 1701, 1745 Heckert, P. 1787 Heintze, G.N. 1756 Henry, G.W. 1764, 1798 Hensberge, H. 1763 Hesser, J.E. 1758 Hoffmann, M. 1715 Hopp, U. 1782 Howell, S. 1705 Ibanoglu, C. 1732, 1737, 1741 Jankovics, I. 1746, 1750, 1779, 1780 Jeong, Jang Hae 1712 Joshi, S.C. 1754 Jurcsik, J. 1722 Kareklidis, G. 1793 Kelemen, J. 1746, 1780 Kester, D. 1800 Kibardina, M.I. 1774 Kiladze, R.I. 1725 Kiljachkov, N.N. 1727 King, K. 1701 Koch, R.H. 1708, 1709 Kolotilov, E.A. 1730 Kondo, Y. 1762 Kovacs, G. 1719 Kreidl, T. 1763 Kurutac, M. 1732, 1737, 1741 Kviz, Z. 1702 Lacy, C.H. 1704 Landis, H.J. 1798 Lemke, B. 1711 Liller, M.H. 1743, 1752 Lloyd, C. 1716 Louth, H. 1764, 1798 Lovell, L.P. 1764 Mahmoud, F. 1784, 1799 Maitzen, H.M. 1735, 1763 Manfroid, J. 1755 Mardirossian, F. 1786, 1790 Marilli, D. 1721 Mavridis, L.N. 1784, 1792, 1793, 1799 Mayer, P. 1724 Mayor, M. 1728 McCluskey, G.E. 1762 McCook, G.P. 1723 McNamara, B.R. 1701 Meinunger, L. 1795 Mekkadan, M.V: 1791 Melikian, N.D. 1726, 1727, 1750, 1779 Meurs, E.J.A. 1800 Mohin, S. 1791 Montle, R.E. 1798 Natsvlishvili, R.Sh. 1725, 1726 Nha, Il-Seong 1712 Niarchos, P.G. 1729 Olah, K. 1717, 1765 Oliver, J.P. 1708, 1709 Olsen, E.H. 1770 Olson, E.C. 1773 Oprescu, G. 1794 Ourassine, L.A. 1774 Padalia, T.D. 1733 Panek, R.J. 1705 Paradijs, J.van, 1800 Parmeggiani, G. 1753 Patkos, L. 1751 Percy, J.R. 1734 Petit, M. 1788 Phylactopoulos, P. 1793 Piccioni, G. 1753, 1757 Pike, C.D. 1716 Pop, V. 1794 Predolin, F. 1786, 1790 Rahe, J. 1762 Rakosch, K.D. 1763 Rautela, B.S. 1754 Raveendran, A.V. 1791 Renson, P. 1755, 1763 Riazi, N. 1745 Romano, G. 1776 Rosino, L. 1776 Rovithis-Livaniou, H. 1736, 1777 Rovithis, P. 1736, 1777 Russeva, T. 1769 Russev, R. 1730, 1769 Sanwal, B.B. 1754 Schoembs, R. 1761 Schommer, R.A. 1752 Seaman, R.L. 1701 Seitter, W.C. 1738 Sharov, A.S. 1775 Shevchenko, V.S. 1727 Shutiomova, N.A. 1727 Sistero, R.F. 1713 Skillman, D.R. 1798 Stalbovsky, O.I. 1727 Staller, R.F.A. 1800 Stavridis, D. 1784, 1799 Stephan, Ch. 1764 Stift, M.J. 1763 Stobie, R.S. 1766 Stoke, J. 1701 Stoop, C. 1760 Strazzulla, G. 1721 Suran, M.D. 1794 Szabados, L. 1719, 1722 Szeidl, B. 1718 Sztajno, M. 1710 Thompson, K. 1756 Todoran, I. 1794 Tsvetkova, A.G. 1749 Tsvetkova, K.P. 1746, 1750 Tsvetkov, M.K. 1746, 1749, 1750, 1779, 1780 Tsvetkov, S.A. 1749 Tunca, Z. 1732, 1737, 1741, 1783 Tumer, O. 1732, 1737, 1741, 1783 Varvoglis, P. 1792, 1793, 1799 Vaucher, Ch.A. 1798 Veto, B. 1778 Villada, M.M. 1748 Voli, M. 1753, 1757 Waelkens, C. 1760 Warner, B. 1707 Weisenberger, A.G. 1723 Weiss, W.W. 1763 Wenzel, W. 1720, 1785 Wesselink, T. 1800 Willerding, E. 1711 Witzigmann, S. 1782 Wood, F.B. 1708, 1709 Zeilik, M. 1787

INDEX OF VARIABLES

RT And 1751 TT 1709 WZ 1709 AA 1709 AP 1709 HQ 1795 HV 1795 IO 1795 IW 1795

S Aps 1748

RY Aqr 1709 ST 1790 AM 1708 BQ 1709 DV 1708

FK Aql 1709 KP 1704 QY 1709 V 343 1709 V 1182 1708

UW Ara 1709

RS Ari 1709 TT 1710

RZ Aur 1709 ZZ 1709 AK 1709 BX 1771 LY 1724

BD +1d 4774=Gl 908 1788 BD +4d 4009=HD 179315 1719 BD +5d 3409A=Gl 678.1 1788 BD +6d 398B=Gl 105 1788 BD +15d 2620=Gl 526 1788 BD +15d 4733= Gl 880 1788 BD +27d 3314=HR 7308 1728 BD +27d 4642 1788 BD +36d 2219=Gl 450 1788 BD +55d 1823 1799 BD +61d 2068=Gl 809 1788

UX Boo 1708 BW 1708

SS Cam 1709 SZ 1709

RU Cnc 1709 RX CMa 1709

UW 1762 CE 1708 CW 1704

RS CVn 1732

RW Cap 1709

X Car 1702, 1709 SS 1709 ST 1709 CV 1709 DO 1709 EM 1709 EZ 1709 FL 1708 FP 1709 GL 1702 GN 1709 GW 1709 HH 1709 HI 1709 KU 1709 V 338 1708

RZ Cas 1712 TX 1709 XX 1709 YZ 1704 ZZ 1709 AB 1708 DO 1777 V 523 1708

RZ Cen 1709 SS 1709 ST 1709 SU 1709 SV 1702 SW 1709 SY Cen 1709 UW 1748 BF 1709 DY 1748 KT 1709 LT 1709 V 346 1709 V 350 1709 V 377 1709 V 380 1709 V 384 1709 V 495 1709 V 644 1709 V 646 1702, 1709 V 757 1703

U Cep 1773 RS 1709 VW 1729, 1736 WZ 1709 XY 1709 XZ 1709

RW Cet 1702 SS 1709 W 1727, 1792 Omicron Ceti (=Mira) 1754

S Cir 1709 V 1708 Z 1748 AE 1748

CoD -35d 13422=Gl 755 1788 CoD -30d 529AB=Gl 60 1788 CoD -21d 1377=Gl 229 1788

RW Com 1715

RW CrA 1702 UU 1709 WX 1748

U CrB 1777 RT 1737 RW 1709, 1751

RS Crt 1708

W Cru 1709 WX 1708 AE 1709 CSV 8853= Wr 136 1767

SY Cyg 1709 UW 1709 VV 1709 VW 1709 WZ 1709 BR 1708 CI 1759 DL 1709 LO 1709 V 442 1704 V 448 1709 V 470 1777 V 478 1709 V 541 1708 V 809 1709 V 836 1751 V 1016 1721

RR Del 1709 TY 1709

Z Dra 1709 RR 1709 RX 1709 SX 1709 WW 1709 AI 1751 BS 1794

RZ Eri 1709 UX 1781 CW 1709 Nu 1761

Flare Stars : near Gamma Cyg (1) 1750 three new 1779 in NGC 7000 and IC 5070(5) 1746 in Orion (27) 1725 in Orion (14) 1726 in Pleiades (5) 1749 in Pleiades (5) 1780 in Praesepe=S 10834 1731

TX Gem 1709 AF 1709 DN=Nova Gem 1912 1711

GJ 1208 1788 GJ 2108 1788 GJ 2158=HX Peg 1788 Gl 48 1788 Gl 60=CoD -30d 529AB 1788 Gl 83.3 1765, 1797 Gl 105=BD +6d 398 B 1788 Gl 136= Zeta^1 Ret 1788 Gl 179 1788 Gl 229= CoD -21d 1377 1788 Gl 299 1788 Gl 402 1788 Gl 450= BD+36d 2219 1788 Gl 526= BD+15d 2620 1788 Gl 596.2= Alpha Ser 1788 Gl 678.1= BD+5d 3409A 1788 Gl 755= CoD -35d 13422 1788 Gl 809= BD+61d 2068 1788 Gl 829 1788 Gl 867A 1788 Gl 871.1B 1788 Gl 880=BD+15d 4733 1788 Gl 895.2=ZZ Psc 1788 Gl 908=BD+1d 4774 1788

U Gru 1708 W 1709 X 1709 RV 1708

HD 5601 1763 HD 17576 1770 HD 19712 1763 HD 25267 1763 HD 30849 1763 HD 30861 1763 HD 31587 1763 HD 33474 1772 HD 38823 1763 HD 43819=HR 2258 1735 HD 53116 1763 HD 55892 1763 HD 56022 1763 HD 81009 1763 HD 91948 1733 HD 118616=HR 5110 1745 HD 139216=Tau^4 Ser 1730 HD 143658 1755 HD 144231 1755 HD 148898=Omega Oph 1755 HD 149499 1770 HD 150549 1755 HD 151771=HR 6244 1755 HD 159376=52 Oph 1755 HD 164258=HR 6709 1755 HD 166181 1791 HD 166596 1755 HD 179315=BD+4d 4009 1719 HD 179761 1778 HD 217811=HR 8768 1734 HD 219018 1742 HD 219150 1742

Z Her 1800 SZ 1751 TU 1709 DH 1709 DY 1718 MM 1709

HR 2258=HD 43819 1735 HR 5110=HD 118616 1745 HR 5171 1796 HR 6244=HD 151771 1755 HR 6392 1796 HR 6709=HD 164258 1755 HR 7308=BD+27d 3314 1728 HR 8768=HD 217811 1734

RX Hya 1709 SX 1709 TT 1709 VY 1709

RY Ind 1713

SS Lac 1709 UW 1709 VY 1708 AG 1708 AR 1712, 1800 CN 1709 EV 1784, 1793 HK 1717 V 345 1708

Y Leo 1786 RW 1709 TX 1704 93 1798

V Lep 1709

EI Lib 1709

SW Lyn 1751

UZ Lyr 1709 FL 1704 HP 1708 MV 1776

AU Mic 1768

BB Mon 1708 FW 1709

Y Mus 1748 BP 1702

New and Suspected Variables: (see also Flare Stars)

Ap Stars (8) 1755 Ap Stars (8) 1763 BD +4d 4009=HD 179315 1719 HD 17576 1770 HD 30861 1763 HD 31587 1763 HD 33474 1772 HD 55892 1763 HD 91948 1733 HD 166181 1791 HD 219150 1742 HR 2258=HD 43819 1796 HR 5110=HD 118616 1745 HR 5171 1796 HR 6392 1796 with large 1788 93 Leo 1798 in M13 (3) 1769 a nebulous object (5h44.1m +46d 26' [1855]) 1789 near NGC 6352 1758 Iota Tri 1764 Rho Vir 1753 in a field at alpha=13h, delta=-70d (22) 1760

Z Nor 1702 RT 1748 RZ 1748 TV 1702, 1709

Novae:

Nova Gem 1912= DN Gem 1711 Nova Sgr 1978 1706 in M31(in August, 1978) 1775 RZ Oph 1709 SW 1709 V 986 1716 Omega=HD 148898 1755 52=HD 159376 1755

Z Ori 1709 W 1712 DN 1709

U Peg 1751 TY 1709 AW 1800 BX 1708 DI 1739 EE 1704 HX=GJ 2158 1788

RV Per 1709 RW 1709 RY 1709 AB 1709 AG 1712 Beta (=Algol) 1712, 1787

SX Phe 1756

SZ Psc 1741, 1742 UU 1709 ZZ (=Gl 895.2) 1788

X PsA 1708

RR Pup 1709 Zeta^1 Ret=Gl 136 1788

FG Sge 1722

RS Sgr 1702, 1709 RY 1748 SX 1702 WY 1709 XZ 1702 ZZ 1702, 1709 BQ 1709 GU 1748 MV 1748 V 523 1702 V 524 1709 V 525 1709 V 777 1708 V 1860 1748

U Sco 1707, 1738 FV 1702 V 381 1708 V 906 1704

SZ Scl 1708

U Sct 1709 W 1709 RS 1709 RY 1709 BN 1709 ER 1709

CX Ser 1708 Alpha=Gl 596.2 1788 Tau^4=HD 139216 1730

Sonneberg Variables:

S 10834 1731 S 10838 1789 SS 433 1705,1785

Supernova: in NGC 3733 1774

SV Tau 1709 BU 1782 DR 1747 HU 1740 V 711 1723

RS Tel 1748

V Tri 1709 Iota 1764

W UMa 1701,1712,1783 RW 1709 TX 1704 VV 1751 AW 1701

Variables in Clusters: in M13, V 10, V 15 and 3 new 1769 in M15, K 1082 1752 near NGC 6352, a new 1758

RR Vel 1709 TT 1709 AL 1709 AO 1702 AS 1702

UW Vir 1709 BD 1709 GG 1757 Rho 1753

W Vol 1709

RR Vul 1709 RS 1800 XZ 1709 AT 1709 AZ 1709 BO 1709 CD 1709

Weber Variable:

Wr 136=CSV 8853 1767

15h35.7m +19d 01' (1950) 1720,1743 17h40m 32.6s -36d 02'07" (1950) 1714