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Double Star Marathon-Lxref Double Star Marathon Observing List by: Glenn Chaple, 2016 R.A. (2000) Dec. PSA Num Object Con SAO # Mags. Sep (“) PA (°) Notes Time Eyepiece/Comments h m deg min no lbl 1 STF 3053 CAS 010938 00 02.6 +66 06 6.0, 7.2 15.0 70 HR 9094 1 2 alpha Cas CAS 021609 00 40.5 +56 32 2.4, 9.0 69.5 282 Shedir 3 3 eta Cas CAS 021732 00 49.1 +57 49 3.4, 7.5 12.0 307 Achird 3 4 STF 163 CAS 012006 01 51.3 +64 51 6.8, 9.1 33.9 36 HD 11092 1 5 gamma Ari ARI 092680 01 53.5 +19 18 4.8, 4.8 7.8 0 Mesarthim 4 6 lambda Ari ARI 075051 01 57.9 +23 36 4.9, 7.7 37.7 46 4 7 gamma And AND 037734 02 03.9 +42 20 2.3, 5.5 9.8 63 Almaak 2 8 iota Tri TRI 055347 02 12.4 +30 18 5.3, 6.9 3.9 71 6 Tri 2 9 alpha UMi UMI 000308 02 31.8 +89 16 2.0, 9.0 18.4 218 Polaris 1 10 eta Per PER 023655 02 50.7 +55 54 3.8, 8.5 28.3 300 Miram & a 9.9* @ 66" 2 11 STF 331 PER 023763 03 00.9 +52 21 5.3, 6.7 12.1 85 HR 890 13 12 32 Eri ERI 130805 03 54.3 -02 57 4.8, 6.1 6.8 347 17 13 STF 485 CAM 013030 04 07.8 +62 20 6.9, 6.9 17.7 305 HR 1260/in OC NGC 1502 11 14 omi2 Eri ERI 131063 04 15.3 -07 39 4.4, 9.7 83.0 104 Keid 17 15 chi Tau TAU 076573 04 22.6 +25 38 5.5, 7.6 19.4 24 15 16 1 Cam CAM 024672 04 32.0 +53 55 5.7, 6.8 10.3 308 near DN B12 12 17 55 Eri ERI 131442 04 43.6 -08 48 6.7, 6.8 9.2 317 west of Rigel 16 18 rho Orionis ORI 112528 05 13.3 +02 52 4.6, 8.5 7.1 64 14 19 beta Ori ORI 131907 05 14.5 -08 12 0.1, 6.8 9.5 202 Rigel 16 20 118 Tau TAU 077201 05 29.3 +25 09 5.8, 6.6 4.8 204 14 21 delta Ori ORI 132221 05 32.0 -00 18 2.2, 6.3 52.6 359 Minitaka 16 22 STF 747 ORI 132298 05 35.0 -06 00 4.8, 5.7 35.7 223 HR 1887 - Det B / D7 16 23 lambda Ori ORI 112921 05 35.1 +09 56 3.6, 5.5 4.4 43 Meissa 14 6.7, 7.9 8.8 31 Trapezium in M42 24 theta1 Ori ORI 132314 05 35.3 -05 23 6.7, 5.1 13.0 312 16 see PSA Det B, iDSA D7 6.7, 6.7 21.5 96 25 iota Ori ORI 132323 05 35.4 -05 55 2.8, 6.9 11.3 141 Nair al Saif - Det B / D7 16 26 STF 742 TAU 077313 05 36.4 +22 00 7.1, 7.5 4.0 274 HD 37013/E of M1/Crab 14 27 sigma Ori ORI 132406 05 38.7 -02 36 4.0, 7.5 12.9 84 16 4.0, 6.5 43.0 61 28 gamma Lep LEP 170759 05 44.5 -22 27 3.7, 6.3 96.0 350 16 R.A. (2000) Dec. PSA Num Object Con SAO # Mags. Sep (“) PA (°) Notes Time Eyepiece/Comments h m deg min no lbl 29 STF 817 ORI 113266 05 54.9 +07 02 8.7, 8.9 18.8 73 HD39758/S alpha Ori 14 not 30 epsilon Mon MON 113810 06 23.8 +04 36 4.5, 6.5 13.4 27 8 Mon 25 31 beta Mon MON 133316 06 28.8 -07 02 4.6, 5.0 7.1 133 27 5.0, 5.3 2.9 108 32 12 Lyn LYN 025939 06 46.2 +59 27 5.4, 7.3 8.7 308 A is a close 1.7" dbl 23 33 38 Gem GEM 096265 06 54.6 +13 11 4.7, 7.8 7.3 326 25 34 h3945 CMa CMA 173349 07 16.6 -23 19 5.0, 5.8 26.8 52 HR 2764 27 35 19 Lyn LYN 026311 07 22.9 +55 17 5.6, 6.5 14.8 315 bright DS east of R 23 36 alpha Gem GEM 060198 07 34.6 +31 53 1.9, 2.9 2.2 171 Castor 23 37 STF 1121 PUP 153142 07 36.6 -14 29 7.0, 7.3 7.4 305 HD 60997/mid OC M47 27 38 kappa Pup PUP 174199 07 38.8 -26 48 4.5, 4.7 9.9 318 HR 2949 / H(3) 27 27 NW 1 & 3 Pup 39 2 Pup PUP 153363 07 45.5 -14 41 6.0, 6.7 16.6 340 near 4 Pup 26 40 zeta Cnc CNC 097645 08 12.2 +17 39 5.1, 6.2 5.9 72 Tegmen/A is a 1.2" dbl 24 41 phi2 Cnc CNC 080187 08 26.8 +26 56 6.2, 6.2 5.2 218 24 42 iota Cnc CNC 080415 08 46.7 +28 46 4.2, 6.6 30.0 307 24 43 38 Lyn LYN 061391 09 18.8 +36 48 3.9, 6.6 2.7 229 22 44 zeta1 Ant ANT 200445 09 30.8 -31 53 6.1, 6.8 8.1 212 39 45 gamma Leo LEO 081298 10 20.0 +19 51 2.2, 3.5 4.4 122 Algieba 35 46 54 Leo LEO 081583 10 55.6 +24 45 4.5, 6.3 6.5 110 34 47 N Hya HYA 179967 11 32.3 -29 16 5.8, 5.9 9.2 210 HR 4443 / H(3) 96 36 48 delta Crv CRV 157323 12 29.9 -16 31 3.0, 9.2 24.2 214 Algorab 47 49 24 Com COM 100160 12 35.1 +18 23 5.2, 6.7 20.3 271 45 50 STF 1659 CRV 157384 12 35.7 -12 01 8.0, 8.3 27.5 352 HD 109556 / Stargate 47 51 STF 1664 VIR 157411 12 38.3 -11 31 7.8, 9.2 37.2 224 HD 109875/WNW of M104 47 52 STF 1669 CRV 157448 12 41.3 -13 01 5.9, 5.9 5.3 312 HR 4821 47 53 gamma Vir VIR 138917 12 41.7 -01 27 3.5, 3.5 3.6 293 Porrima 47 54 32 Cam CAM 002102 12 49.2 +83 25 5.3, 5.8 21.6 326 HR 4893 / STF1694 41 NE of PN IC3568 55 alpha CVn CVN 063256 12 56.0 +38 19 2.9, 5.5 19.4 229 Cor Caroli 43 56 zeta UMa UMA 028737 13 23.9 +54 56 2.3, 4.0 14.4 152 Mizar; Alcor @ 12' 43 57 3 Cen CEN 204916 13 51.8 -33 00 4.5, 6.0 7.9 106 east of 1 Cen 48 58 kappa Boo BOO 029045 14 13.5 +51 47 4.6, 6.6 13.4 236 Asellus Tertius 42 59 iota Boo BOO 029071 14 16.2 +51 22 4.9, 7.5 38.0 33 42 R.A. (2000) Dec. PSA Num Object Con SAO # Mags. Sep (“) PA (°) Notes Time Eyepiece/Comments h m deg min no lbl 60 STF 1835 BOO 120426 14 23.4 +08 27 5.0, 6.8 6.2 194 HR 5386 44 61 pi Boo BOO 101138 14 40.7 +16 25 4.9, 5.8 5.6 108 44 62 epsilon Boo BOO 083500 14 45.0 +27 04 2.5, 4.9 2.8 339 Izar 44 63 xi Boo BOO 101250 14 51.4 +19 06 4.7, 7.0 6.9 332 44 64 delta Boo BOO 064589 15 15.5 +33 19 3.5, 8.7 105.0 79 53 65 mu1, mu2 Boo BOO 064687 15 24.5 +37 23 4.3, 7.0 108.0 171 Alkalurops/mu2 is 2" dbl 53 66 delta Ser SER 101623 15 34.8 +10 32 4.2, 5.2 3.9 178 55 67 zeta CrB CRB 064834 15 39.4 +36 38 5.1, 6.0 6.3 305 53 68 beta Ser SER 101725 15 46.2 +15 25 3.7, 10.0 30.9 264 55 69 xi Sco SCO 159665 16 04.4 -11 22 4.8, 7.3 7.6 51 56 70 beta Sco SCO 159682 16 05.4 -19 48 2.6, 4.9 13.6 21 Graffias 57 71 kappa Her HER 101951 16 08.1 +17 03 5.3, 6.5 28.0 12 Marfik 55 72 nu Sco SCO 159763 16 12.0 -19 28 4.3, 6.4 41.0 337 Jabbah 57 73 sigma CrB CRB 065165 16 14.7 +33 52 5.6, 6.6 6.2 233 53 74 16, 17 Dra DRA 030013 16 36.2 +52 55 5.4, 6.4 3.4 108 17 Dra 52 5.4, 5.5 90.0 194 16 Dra 75 mu Dra DRA 030239 17 05.3 +54 28 5.7, 5.7 2.0 42 Arrakis 52 76 alpha Her HER 102680 17 14.6 +14 23 3.5, 5.4 4.7 107 Rasalgethi 54 77 delta Her HER 084951 17 15.0 +24 50 3.1, 8.2 8.9 236 Sarin 54 78 36 Oph OPH 185199 17 15.3 -26 36 5.1, 5.1 4.4 154 56 79 omicron Oph OPH 185238 17 18.0 -24 17 5.4, 6.9 10.3 355 56 80 rho Her HER 066000 17 23.7 +37 09 4.6, 5.6 4.1 316 52 81 nu Dra DRA 030447 17 32.2 +55 11 4.9, 4.9 62.0 312 Kuma 52 82 psi Dra DRA 008890 17 41.9 +72 09 4.9, 6.1 30.3 15 Dsiban 51 83 PZ4 (h5003) SGR 209553 17 59.1 -30 15 5.4, 7.0 5.8 107 HR 6693/also as PZ 6 67 W of gamma Sgr 84 40, 41 Dra DRA 008994 18 00.2 +80 00 5.7, 6.1 19.3 232 SE of epsilon UMi 61 85 95 Her HER 085648 18 01.5 +21 36 5.0, 5.1 6.3 258 65 86 70 Oph OPH 123107 18 05.5 +02 30 4.2, 6.0 2.8 72 65 87 100 Her HER 085753 18 07.8 +26 06 5.8, 5.8 14.2 183 south of omicron Her 65 88 epsilon1 Lyr LYR 067310 18 44.3 +39 40 5.0, 6.1 2.1 352 Double Double 3.5'sep 63 89 epsilon2 Lyr LYR 067315 18 44.3 +39 37 5.3, 5.4 2.4 82 Double Double 3.5'sep 63 90 zeta Lyr LYR 067321 18 44.8 +37 36 4.3, 5.9 44.0 150 63 91 beta Lyr LYR 067451 18 50.1 +33 22 3.4, 8.6 46.0 149 Sheliak 63 R.A.
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