Turn Left at Orion Multiple Stars Rating For Best View: Coordinates Name Constellation Object Type Magnitudes Star Separation(s) Dob small binocs sky magnification Right Ascension Declination notes page Season additional description Struve 745 Orion Double Star "8.5, 8.5" "29""" 1 1 x steady medium 5 H 34.7 min. -6¡ 0' double star near M42 54 Jan.-Mar "dimmer white-white pair, near Struve 747" Struve 747 Orion Double Star "4.7, 5.5" "36""" 1 1 x steady medium 5 H 35 min. -6¡ 0' double star near M42 54 Jan.-Mar "wide white-white pair, near Iota Orionis" Iota Orionis Orion Double Star "2.9, 7.0, 9.7" "11"", 49""" 1 1 x steady medium 5 H 35.4 min. -5¡ 54' double star near M42 54 Jan.-Mar unequal triple: blue-white-white Theta-2 Orionis Orion Double Star "5.2, 6.5" "52""" 1 1 x steady high 5 H 35.4 min. -5¡ 26' double star near M42 55 Jan.-Mar "very wide, bright white-white pair" "Theta-1 Orionis, Trapezium" Orion Multiple Star "5.1, 6.6, 6.6, 6.3, 11.1, 11.5" "13"", 17"", 12"", 5"", 5""" 5 4 x steady medium 5 H 35.3 min. -5¡ 25' "Trapezium, sextuple star with M42" 55 Jan.-Mar at the core of M42; the two dimmer stars are challenging Struve 761 Orion Multiple Star "7.9, 8.4, 8.6" "67"", 8.7""" 3 3 1 steady high 5 H 38.6 min. -2¡ 34' "triple star, with Sigma Orionis" 56 Jan.-Mar white-white-white triple (double plus one) in field with Sigma Orionis Sigma Orionis Orion Multiple Star "3.7, 8.8, 6.6, 6.3" "11"", 13"", 41""" 3 3 1 steady high 5 H 38.7 min. -2¡ 36' "quadruple star, with Struve 761" 56 Jan.-Mar quadruple star: all white - in field with Struve 761 "Beta Orionis, Rigel" Orion Double Star "0.3, 6.8" "9.3""" 3 x x steady high 5 H 14.5 min. -8¡ 12' one of the Orion Dob doubles 58 Jan.-Mar a delightful Dob challenge due to the huge brightness difference Eta Orionis Orion Double Star "3.6, 4.9" "1.8""" 3 x x steady high 5 H 24.5 min. -2¡ 24' one of the Orion Dob doubles 58 Jan.-Mar close yellow-blue pair 32 Orionis Orion Double Star "4.4, 5.7" "1.2""" 3 x x steady high 5 H 30.8 min. 5¡ 57' one of the Orion Dob doubles 58 Jan.-Mar very close yellow-blue pair "Delta Orionis, Mintaka" Orion Double Star "2.2, 6.8" "53""" 3 x x steady high 5 H 32 min. 0¡ 20' one of the Orion Dob doubles 58 Jan.-Mar "wide, unequal white-blue pair" "Lambda Orionis, Meissa" Orion Double Star "3.5, 5.4" "4.1""" 3 x x steady high 5 H 35.1 min. 9¡ 56' one of the Orion Dob doubles 58 Jan.-Mar bright white-white pair 42 Orionis Orion Double Star "4.6, 7.5" "1.1""" 3 x x steady high 5 H 35.4 min. -4¡ 50' one of the Orion Dob doubles 58 Jan.-Mar very close and unequal white-white pair near M42 - very challenging "Zeta Orionis, Alnitak" Orion Double Star "1.9, 3.7" "2.5""" 3 x x steady high 5 H 40.8 min. -1¡ 59' one of the Orion Dob doubles 58 Jan.-Mar "close, blue-white pair" 52 Orionis Orion Double Star "6.0, 6.0" "1.1""" 3 x x steady high 5 H 48 min. 6¡ 27' one of the Orion Dob doubles 58 Jan.-Mar "very close, equal white-white pair" 39 Eridani Eridanus Double Star "5.0, 8.5" "6.3""" 1 1 x steady high 4 H 14.4 min. -10¡ 15' double star near NGC 1535 60 Jan.-Mar moderately challenging double "Omicron-2 Eridani, Keid" Eridanus Double Star "4.5, 10.2, 11.5" "83"", 7""" 2 1 x steady high 4 H 15.3 min. -7¡ 39' Spock's 'Vulcan' & a white dwarf 60 Jan.-Mar "B-C pair is far from A: B is a white dwarf and C is ared dwarf, too dim to show color" h 3752 Lepus Double Star "5.4, 6.6" "3.4""" 1 1 x steady high 5 H 22.5 min. -24¡ 46' double star near M79 62 Jan.-Mar Struve 118 Taurus Double Star "5.8, 6.7" "4.4""" 1 1 x steady high 5 H 29.3 min. 25¡ 9' near M1 66 Jan.-Mar yellow-white pair near M1 Struve 742 Taurus Double Star "7.1, 7.5" "4.1""" 2 2 x steady high 5 H 36.4 min. 22¡ 0' near M2 66 Jan.-Mar dim yellow-blue pair just east of M1 26 Aurigae Auriga Double Star "5.5, 8.4" "12""" 1 1 x steady high 5 H 38.6 min. 30¡ 30' double star near M37 70 Jan.-Mar "yellow-blue pair, between El Nath and M37" Omega Aurigae Auriga Double Star "5.0, 8.2" "4.8""" 2 1 x steady high 4 H 59.3 min. 37¡ 53' double star near M36-37-38 70 Jan.-Mar 14 Aurigae Auriga Double Star "5, 9, 8, 8" "10"", 14"", 2""" 2 1 x steady high 5 H 15.4 min. 32¡ 41' multiple star near M36 & M38 70 Jan.-Mar yellow-blue pair; the dimmer blue pair is a Dob challenge - the brighter has a dim companion 15 Geminorum Gemini Double Star "6.6, 8.2" "25""" 2 2 x any low 6 H 27.8 min. 20¡ 47' double star near M36 73 Jan.-Mar "wide, orange-blue pair" "Eta Geminorum, Propus" Gemini Double Star "3.5, 6.2" "1.7""" 2 x x steady high 6 H 14.9 min. 22¡ 30' double star near M35 73 Jan.-Mar Dob challenge double brighter star looks orange and dimmer looks colorful by contrast "Alpha Geminorum, Castor" Gemini Triple Star "1.9, 3.0, 9.8" "4.8"", 70""" 3 2 x steady high 7 H 34.6 min. 31¡ 53' "bright multiple star, with NGC 2392" 74 Jan.-Mar "very bright, close blue pair with a very dim, distant companion" Struve 1108 Gemini Double Star "6.6, 8.2" "11""" 1 1 x steady high 7 H 32.8 min. 22¡ 53' double star near Castor & NGC 2395 75 Jan.-Mar yellow-blue pair Lambda Geminorum Gemini Double Star "3.6, 10.7" "9.7""" 1 x x steady high 7 H 18.1 min. 16¡ 32' double star near Castor & NGC 2392 75 Jan.-Mar "yellow-blue Dob double, challenging because of huge brightmess difference" "Delta Geminorum, Wasat" Gemini Double Star "3.6, 8.2" "5.6""" 1 x x steady high 7 H 20.1 min. 21¡ 59' double star near Castor & NGC 2393 75 Jan.-Mar Dob challence due to unequal brightness; brighter star is white and dimmer star is orange Kappa Geminorum Gemini Double Star "3.7, 8.2" "7""" 1 x x steady high 7 H 77.4 min. 24¡ 24' double star near Castor & NGC 2396 75 Jan.-Mar "challenging, unequal Dob double" Struve 1083 Gemini Double Star "7.3, 8.1" "6.8""" 2 1 x steady high 7 H 25.6 min. 20¡ 30' double star near Castor & NGC 2394 75 Jan.-Mar yellow-blue pair Epsilon Monocerotis Monoceros Double Star "4.4, 6.4" "12""" 1 1 x steady high 6 H 23.8 min. 4¡ 36' double star near the Rosette 77 Jan.-Mar subtle colors Beta Monocerotis Monoceros Triple Star "4.6, 5.0, 5.3" "7.2"", 2.9""" 3 3 x steady high 6 H 28.8 min. -7¡ 2' bright triple star 78 Jan.-Mar appealing white-blue-blue triple star; to get there you 'turn left at Orion'!! "Alpha Canis Majoris, Sirius" Canis Major Double Star " -1.4, 8.5" "8.4""" 1 x x very steady highest 6 H 45.1 min. -16¡ 43' extreme Dob binary challenge 81 Jan.-Mar brightest star in sky; exceptionally tough double for big Dob (second star lost deep in glare) "Alpha Canis Minoris, Procyon" Canis Minor Double Star "0.4, 10.8" "4.7""" 1 x x very steady highest 7 H 39.3 min. 5¡ 13' extreme Dob binary challenge 81 Jan.-Mar "very challenging, with hugh brightness contrast" Mu Canis Majoris Canis Major Double Star "7.95.3, 7.1" "3""" 2 x x steady highest 6 H 56.1 min. -14¡ 3' Dob binary challenge 81 Jan.-Mar "very tough Dob double; extreme brightness contrast, yellow-blue" "Herschel 3945, Winter Albireo" Canis Major Double Star "5.0, 5.8" "26""" 3 2 x any low 7 H 16.6 min. -23¡ 19' colorful double near NGC 2362 86 Jan.-Mar lovely red-orange double "Epsilon Canis Majoris, Adhara" Canis Major Double Star "1.5, 7.5" "7""" 1 x x steady highest 6 H 58.6 min. -28¡ 58' Dob binary challenge 87 Jan.-Mar Dob challenge double k Puppis Puppis Double Star "4.4, 4.6" "9.8""" 2 2 x steady high 7 H 38.8 min. -26¡ 48' double star near M93 89 Jan.-Mar cat's-eyes white-white pair "Zeta Cancri, Tegmine" Cancer Double Star "5.3, 6.3" "1.1""" 2 3 x steady highest 8 H 12.2 min. 17¡ 39' near M44 (the Beehive) 92 Apr.-Jun. nice pair of yellow stars (a challenging triple in a Dob) 24 Cancri Cancer Double Star "6.9, 7.5" "5.6""" 1 x x steady high 8 H 26.7 min. 24¡ 32' near M44 (the Beehive) 93 Apr.-Jun. Dob challenge double Epsilon Hydrae Hydrae Double Star "3.5, 6.7" "2.8""" 2 x x steady high 8 H 46.8 min. 6¡ 25' double star near M67 95 Apr.-Jun. Dob challenge double Struve 1266 Cancer Double Star "8.8, 10.0" "24""" 1 1 x steady high 8 H 44.4 min. 28¡ 27' one of the Cancer-Leo doubles 96 Apr.-Jun. "dim, close white pair" 57 Cancri Cancer Triple Star "6.1, 6.4" "1.5""" 2 1 x steady low/highest 8 H 54.2 min. 30¡ 35' one of the Cancer-Leo doubles 96 Apr.-Jun. "close, equal pair with a dimmer third companion" Iota Cancri Cancer Double Star "4.1, 6.0" "31""" 2 2 x steady medium 8 H 46.7 min. 28¡ 46' one of the Cancer-Leo doubles 96 Apr.-Jun. wide yellow-blue pair Kappa Leonis Leo Double Star "4.6, 9.7" "2.4""" 3 1 x steady highest 9 H 24.7 min. 26¡ 11' one of the Cancer-Leo doubles 96 Apr.-Jun. "unequal, close Dob challenge" Phi-2 Cancri Cancer Double Star "6.2, 6.2" "5.2""" 3 2 x steady high 8 H 26.8 min. 26¡ 56' one of the Cancer-Leo doubles 96 Apr.-Jun. equal white pair "Gamma Leonis, Algieba" Leo Double Star "2.4, 3.6" "4.6""" 3 3 x steady high 10 H 20 min. 19¡ 51' best of the Cancer-Leo doubles 96 Apr.-Jun. bright yellow-orange pair 53 Cancri Cancer "Double Star, Exoplanets" "6.2, 9.7" "43""" 3 3 x steady high 8 H 52.5 min. 28¡ 16' one of the Cancer-Leo doubles 97 Apr.-Jun. "wide, unequal double near Iota Cancri" 54 Leonis Leo Double Star "4.5, 6.3" "6.6""" 2 2 x steady high 10 H 55.6 min. 24¡ 45' double star near the Leo trio 101 Apr.-Jun. "Gamma Virginis, Porrima" Virgo Double Star "3.5, 3.5" "1.3"" (in 2010, increasing)" 2 3 x steady high 12 H 41.7 min. -1¡ 27' "bright, widening double in Virgo" 104 Apr.-Jun. "bright equal yellow pair, separated by 1.9"" in 2012, 2.6"" in 2016, and 3.0"" in 2020" Struve 1689 Virgo Double Star "7.1, 9.1" "30""" 1 1 x any medium 12 H 55.5 min. 11¡ 30' Virgo galaxy chart 1 105 Apr.-Jun. "wide, dim, unequal double en route from Vindemiatrix to the Virgo galaxies" Struve 1685 Coma Berenices Double Star "7.3, 7.8" "16""" 1 x x steady high 12 H 52 min. 19¡ 10' double star near M64 110 Apr.-Jun. "dim, equal double near M64" "Alpha CVn, Cor Caroli" Canes Venatici Double Star "2.9, 5.5" "19""" 2 2 x any medium 12 H 56 min. 38¡ 19' "easy, colorful double star" 112 Apr.-Jun. "easy, pretty blue-yellow pair" Struve 1702 Canes Venatici Double Star "8.7, 9.4" "35""" 1 1 x any medium 12 H 58.5 min. 38¡ 17' with M94 and Cor Caroli 113 Apr.-Jun. "dim, wide pair" 2 Canum Venaticorum Canes Venatici Double Star "5.9, 8.7" "11""" 2 1 x any medium 12 H 16.1 min. 40¡ 40' with M94 and Cor Caroli 113 Apr.-Jun. unequal blue-yellow pair Pi Boštis Boštes Double Star "4.9, 5.8" "5.6""" 2 2 x steady high 14 H 40.7 min. 16¡ 23' one of the Boštes doubles 116 Apr.-Jun. yellow-blue pair Zeta Coronae Borealis Corona Borealis Double Star "5.0, 5.9" "6.3""" 2 2 x steady high 15 H 39.4 min. 36¡ 38Õ' one of the 'Boštes doubles' 116 Apr.-Jun. nice double with a yellow primary and a blue-green secondary "Mu Boštes, Alkalurops" Boštes Triple Star "7.94.3, 7.1, 7.6" "109"", 2.2""" 3 1 2 steady high 15 H 24.5 min. 37¡ 23Õ' a triple star in Boštes 116 Apr.-Jun. "star with two much dimmer companions, one boringly distant, one challengingly close " Xi Boštis Boštes "Double Star, Exoplanets" "4.8, 7.0" "6.4""" 3 2 x steady high 14 H 51.4 min. 19¡ 6Õ' "a Boštes double star, with planets" 116 Apr.-Jun. yellow star with nearby dimmer orange companion "Epsilon Boštis, Izar" Boštes Double Star "2.6, 4.8" "3.0""" 3 3 x steady high 14 H 45 min. 27¡ 4Õ' best of the Boštes doubles 116 Apr.-Jun. "famous, pretty yellow-blue pair" Delta Herculis Hercules Double Star "3.1, 8.3" "11""" 1 x x steady highest 17 H 15 min. 24¡ 50Õ' unequal double star in Hercules 121 Jul.-Sep. challenging Dob double with a large brightnes contrast Sigma Coronae Borealis Corona Borealis Multiple Star "5.6, 6.5" "7.1""" 2 2 x steady high 16 H 14.7 min. 33¡ 51Õ' double star near M13 121 Jul.-Sep. lovely double Rho Herculis Hercules Double Star "4.5, 5.4" "4.0""" 2 1 x steady highest 17 H 23.7 min. 37¡ 9Õ' double star in Hercules' 'keystone' 123 Jul.-Sep. pleasant Dob double "Alpha Herculis, Ras Algethi" Hercules Double (& variable) Star "3.5, 5.4" "4.9""" 3 2 x steady high 17 H 14.6 min. 14¡ 23Õ' colorful double star 124 Jul.-Sep. nice red-green pair Zeta Lyrae Lyra Double Star "4.3, 5.6" "44""" 1 1 1 steady low 18 H 44.8 min. 37¡ 36Õ' wide double star 128 Jul.-Sep. very wide double - easy but not terribly interesting "Struve 2470, D-DÕs double" Lyra Double Star "7.0, 8.4" "14""" 2 2 x steady medium 19 H 8.8 min. 34¡ 46Õ' half of the 'double-double's double' 128 Jul.-Sep. "nice white pair, in the same field with the similar Struve 2474" "Struve 2474, D-DÕs double" Lyra Double Star "6.8, 7.9" "16""" 2 2 x steady medium 19 H 8.8 min. 34¡ 46Õ' half of the 'double-double's double' 128 Jul.-Sep. "nice yellow pair, in the same field with the similar Struve 2470" Struve 2725 Delphinus Double Star "7.5, 8.2" "6.0""" 2 2 x steady high 20 H 46.2 min. 15¡ 54Õ' "double star, near Gamma Delphini" 128 Jul.-Sep. dim white pair near Gamma Delphini 61 Cygni Cygnus Double Star "5.2, 6.1" "31""" 2 2 x any medium 21 H 6.6 min. 38¡ 42Õ' "pretty, nearby double star" 128 Jul.-Sep. "easy, wide orange pair; only 11.4 light years away" Gamma Delphini Delphinus Double Star "4.4, 5.0" "9.1""" 3 3 x steady high 20 H 46.7 min. 16¡ 8Õ' "double star, near Struve 2725" 128 Jul.-Sep. "very prett orange-lime colored pair, with the much dimmer pair Struve 2725 nearby" "Epsilon Lyrae, Double-Double" Lyra Quadruple Star "5.2, 6.1,5.3, 5.4 " "208"", 2.3"", 2.3""" 4 3 2 steady high 18 H 44.4 min. 39¡ 38Õ' the great 'double-double' 128 Jul.-Sep. maybe the niftiest multiple star in the sky - two widely-spaced close white pairs Beta Lyrae Lyra Variable (& double) Star "3.3-4.3, 6.7" "46""" 1 1 1 any low 18 H 50.1 min. 33¡ 22Õ' eclipsing variable (and wide double) 131 Jul.-Sep. famous eclipsing variable star near M57 Otto Struve 525 Lyra Triple Star "6.1, 9.1, 7.6" "1.8"", 45""" 3 2 x steady high 18 H 54.9 min. 41¡ 36Õ' pretty double near M57 131 Jul.-Sep. dim but pretty yellow-blue pair near M57; high X in a Db shows a dim third companion "Beta Cygni, Albireo" Cygnus Double Star "3.2, 4.7" "37""" 4 4 x any medium 19 H 30.7 min. 27¡ 58Õ' colorful double star 132 Jul.-Sep. maybe the finest colorful double star in the sky; a bright orange-blue pair 16 Cygni Cygnus "Double Star, Exoplanets" "6.0, 6.2" "40""" 1 2 x any low 19 H 41.8 min. 50¡ 31Õ' double near the blinking planetary 134 Jul.-Sep. "wide, equal pair of yellow stars" Epsilon Sagittae Sagitta Double Star "5.8, 8.4" "87""" 1 1 x any low 19 H 37.3 min. 16¡ 28Õ' wide double near M71 139 Jul.-Sep. "dim, with a very distant faint companion" HN 84 Sagitta Double Star "6.4, 9.5" "28""" 1 1 x any low 19 H 39.4 min. 16¡ 34Õ' wide double near M71 139 Jul.-Sep. "dim, with a distant, very faint companion" Theta Sagittae Sagitta Double Star "6.6, 8.9" "12""" 1 1 x any low 20 H 9.9 min. 20¡ 55Õ' double star in Sagitta 139 Jul.-Sep. rather dim star with a dim companion in a crowded field Zeta Sagittae Sagitta Double Star "5.0, 9.0" "8.1""" 2 1 x any low 19 H 49 min. 19¡ 8Õ' double star near M71 139 Jul.-Sep. unequal double Struve 2391 Scutum Double Star "6.5, 9.6" "38""" 1 1 x any low 18 H 48.7 min. -6¡ 2Õ' wide double near M11 141 Jul.-Sep. "unequal, wide double close to M11" 15 Aquilae Aquila Double Star "5.5, 7.0" "39""" 2 2 x any low 19 H 5 min. -4¡ 2Õ' wide double near M11 141 Jul.-Sep. wide yellow-blue pair HN40 Sagittarius Triple Star "7.6, 10.4, 8.7" "6.1"", 11""" 2 1 x steady high 18 H 2.3 min. -23¡ 2Õ' multiple star inside M20 149 Jul.-Sep. "brightest star in M20; multiple: 2, 3, or 4 members depending on 'scope and conditions)" Struve 1999 Scorpius Double Star "7.5, 8.1" "12""" 1 1 x steady high 16 H 4.5 min. -11¡ 26Õ' "double star, next to Xi Scorpii" 150 Jul.-Sep. dim yellow pair in same field as Xi Scorpii Eta Lupi Lupus Triple Star "3.4, 7.5, 9.4" "14"", 116""" 1 1 x steady high 16 H 0.1 min. -38¡ 24Õ' double star in Lupus 150 Jul.-Sep. unequal triple star; a much dimmer companion and a distant vasty dimmer compannion "Alpha Scorpii, Antares" Scorpius Double Star "1.0, 5.4" "2.6""" 1 x x steady high 16 H 29.4 min. -26¡ 26Õ' difficult Dob challenge double 150 Jul.-Sep. much dimmer companion; if visible in a big Dob it looks greenish against red Antares 24 Ophiuchi Ophiucus Double Star "6.3, 6.3" "1.0""" 1 x x steady high 16 H 56.8 min. -23¡ 9Õ' challenging Dob double star 150 Jul.-Sep. "extremely close, challenging equal blue pair" Nu Scorpii Scorpius Double Star "4.4, 5.3, 6.6, 7.2" "1.3"", 41"", 42""" 2 1 x steady high 16 H 12 min. -19¡ 28Õ' challenging double-double 150 Jul.-Sep. "nice, very wide pair of challenging dob dobles - one challenging, the other very challenging" 36 Ophiuchi Ophiucus Double Star "5.1, 5.1" "4.9""" 2 1 x steady high 17 H 15.4 min. -26¡ 35Õ' double star in Ophiuchus 150 Jul.-Sep. equal orange pair with somewhat dimmer companion far away "Beta Scorpii, Graffias" Scorpius Double Star "2.6, 4.5" "12""" 2 2 x steady high 16 H 5.4 min. -19¡ 51Õ' "bright, pretty double star in Scorpius" 150 Jul.-Sep. bright yellow-blue pair Xi Scorpii Scorpius Triple Star "5.2, 4.9, 7.3" "0.9"", 7.9""" 3 1 x steady high 16 H 4.4 min. -11¡ 22Õ' "multiple star, next to Struve 1999" 150 Jul.-Sep. "nice yellow-orange pair; the brighter is a close, tough Dob challenge; near Struve 1999" Xi Lupi Lupus Double Star "5.1, 5.6" "10""" 3 3 x steady high 15 H 56.9 min. -33¡ 58Õ' double star in Lupus 150 Jul.-Sep. blue-blue pair Omicron Ophiuchi Ophiucus Double Star "5.2, 6.6" "10""" 3 3 x steady high 17 H 18 min. -24¡ 17Õ' pretty double star in Ophiuchus 150 Jul.-Sep. orange-blue pair "Zeta Sagittarii, Ascella" Sagittarius Double Star "3.3, 3.5" "0.5""" 1 x x steady highest 19 H 2.6 min. -29¡ 53Õ' extreme Dob challenge 160 Jul.-Sep. "even pair; too close to split, except (maybe) 2014-2018 in a big Dob under perfect conditions" KV Aquarii Aquarius Double Star "7.1, 8.0" "6.9""" 1 1 x steady medium 22 H 25.7 min. -20¡ 14Õ' double star near the Helix nebula 173 Oct.-Dec. "dim double star with a vary dim, very distant third compnion" 56 Andromedae Andromeda Double Star "5.6, 6.1" "201""" 1 1 3 steady high 1 H 56.2 min. 37¡ 15' wide double star in Andromeda 180 Oct.-Dec. "super-wide pair near NGC 752; not physically associated, but one has a dim, true companion" 59 Andromedae Andromeda Double Star "6.1, 6.7" "17""" 1 1 2 steady high 2 H 10.9 min. 39¡ 3' double star in Andromeda 180 Oct.-Dec. pair of blue stars Iota Trianguli Triangulum Double Star "5.3, 6.7" "3.7""" 2 1 x steady high 2 H 12.4 min. 30¡ 18' double star in Triangulum 180 Oct.-Dec. close yellow-blue pair Lambda Arietis Aries Double Star "4.8, 6.7" "37""" 2 2 x steady high 1 H 58 min. 23¡ 36' double star in Aries 180 Oct.-Dec. wide yellow-blue pair "Gamma Arietis, Mesarthim" Aries Double Star "4.5, 4.6" "7.5""" 3 3 x steady high 1 H 53.4 min. 19¡ 18' 'cats-eyes' double star in Aries 180 Oct.-Dec. "no color, but still a stunning pair of equal stars in any size telescope" "Gamma Andromedae, Almach" Andromeda Double Star "2.3, 5.0" "9.8""" 3 3 x steady high 2 H 3.9 min. 42¡ 20' bright double star in Andromeda 180 Oct.-Dec. pretty; very bright yellow star with bright blue companion 1 Arietis Aries Double Star "6.3, 7.2" "2.9""" 1 x x steady high 1 H 53.4 min. 22¡ 17' double star in Aries 181 Oct.-Dec. "faint, close pair near Lambda Arietis" HJ 1123 Perseus Double Star "8.4, 8.5" "20""" 1 1 x steady medium 2 H 41.9 min. 42¡ 47' double star in M34 183 Oct.-Dec. the most unequal of three nice doubles we list within M34 Otto Struve 44 Perseus Double Star "8.3, 9.0" "1.4""" 1 x x steady high 2 H 42.2 min. 42¡ 41' Dob challenge double star in M34 183 Oct.-Dec. the most challenging of three nice doubles we list within M35 HJ 2155 Perseus Double Star "8.3, 10.3" "17""" 2 x x steady medium 2 H 48.8 min. 42¡ 49' double star in M34 183 Oct.-Dec. "the brightest, easiest, and most equal of three nice doubles we list within M36" Eta Persei Perseus Double Star "3.8, 8.5" "29""" 1 1 x any medium 2 H 50.7 min. 55¡ 54' double star near the Double Cluster 186 North Struve 163 Cassiopeia Double Star "6.8, 9.1, 10.7" "34"", 114""" 2 1 x any low 1 H 51.2 min. 64¡ 51' triple star in Cassiopeia 188 North dim orange-blue double with a distant dimmer third companion Sigma Cassiopeiae Cassiopeia Double Star "5.0, 7.2" "3.2""" 2 1 x steady high 23 H 59 min. 55¡ 45Õ' double star in Cassiopeia 188 North "nice, tightly spaced pair" Burnham 1 Cassiopeia Double Star "8.6, 9.3, 8.9, 9.7" "1.1"", 3.7"", 8.5""" 3 1 x any high 0 H 52.8 min. 56¡ 38' faint quadruple enmeshed in nebula 188 North "dim quadruple star (the 4th is a tough Dob challenge), all wrapped in the faint NGC 281" Iota Cassiopeiae Cassiopeia Double Star "4.6, 6.9, 9.1" "2.9"", 7.0""" 3 1 x steady high 2 H 29 min. 67¡ 24' triple star in Cassiopeia 188 North a nice (all white) triple star Struve 3053 Cassiopeia Double Star "6.0, 7.3" "15""" 3 2 x any medium 0 H 2.6 min. 66¡ 6' dim double star in Cassiopeia 188 North orange-blue pair Eta Cassiopeiae Cassiopeia Double Star "3.4, 7.4" "13""" 3 2 x any medium 0 H 49 min. 57¡ 49' colorful double star in Cassiopeia 188 North lovely yellow-red pair Struve 131 Cassiopeia Double Star "7.3, 9.9" "14""" 1 1 x any high 1 H 33.2 min. 60¡ 41' double star in M103 194 North Struve 153 Cassiopeia Double Star "9.4, 10.4" "7.7""" 1 1 x any high 1 H 46.6 min. 61¡ 16' double star in NGC 663 195 North Delta Cephei Cepheus Double Star "4.2, 6.1" "41""" 1 1 1 any medium 22 H 29.2 min. 58¡ 25Õ' double/'Cepheid' variable star 196 North wide colorless double (brighter star is a Cepheid variable) Struve 2816 Cepheus Triple Star "5.7, 7.5, 7.5" "12"", 20""" 1 1 x any high 21 H 39 min. 57¡ 29Õ' "triple star, in field with Struve 2819" 196 North nice triple star in field with Struve 2819 Struve 2819 Cepheus Double Star "7.4, 8.6" "13""" 2 2 x any high 21 H 40 min. 57¡ 35Õ' "double star, in field with Struve 2816" 196 North nice double star in field with Struve 2816 Struve 2815 Cepheus Double Star "8.6, 10.0" "0.9""" 2 1 x steady high 21 H 37.7 min. 57¡ 34Õ' Dob triple near Struve 2816 & 2819 197 North dim double (Dob challenge triple) very close to Stuve 2816 and Struve 2819 Psi Draconis Draco Double Star "4.6, 5.6" "30""" 1 1 x any low 17 H 41.9 min. 72¡ 8Õ' double star in Draco 199 North "wide, easy double near NGC 6543" "Alpha Ursae Minoris, Polaris" Ursa Minor Double Star "2.1, 9.1" "18""" 1 1 x steady high 2 H 31.8 min. 89¡ 16' "Polaris - a wide, unequal double" 202 North easy but extemely unequal double Iota Boštis Boštes Double Star "4.8, 7.4" "39""" 1 1 x any medium 14 H 16.2 min. 51¡ 22' "double star, near Mizar" 206 North wide and unimpressive double star near Iota Bootis Struve 1795 Ursa Major Double Star "6.9, 9.8" "8.0""" 1 x x steady high 13 H 59 min. 53¡ 6' "Dob double, near Mizar" 206 North dim Dob double Kappa Boštis Boštes Double Star "4.4, 6.6" "14""" 2 1 x any medium 14 H 13.5 min. 52¡ 0' "double star, near Mizar" 206 North "subtly colored, easy double star near M101" "Zeta Ursae Majoris, Mizar" Ursa Major Double Star "2.2, 3.9" "14""" 2 2 2 any medium 13 H 23.9 min. 54¡ 56' "Mizar, a bright double - and Alcor" 206 North "famous, easy, bright double star" Beta Tucanae Tucana Double Star "4.3, 4.5" "27""" 2 3 2 any low 0 H 31.5 min. -62¡ 58' "double star with a 3rd, distant star" 215 South "bright, wide, equal double with very distant naked-eye third component" Kappa Tucanae Tucana Double Star "5.0, 7.7, 7.8, 8.4" "5.0"", 319"", 320""" 3 2 1 steady high 1 H 15.8 min. -68¡ 53' "multiple star- 2 (in binocs), 4 (in Dob)" 215 South "wide, naked-eye double; each componen is a noce challenge in its own way" Epsilon Volantis Volans Double Star "4.4, 8.0" "6.1""" 1 x x steady high 8 H 7.9 min. -68¡ 37' Dob double star in Volans 217 South challenging yellow-blue pair Zeta Volantis Volans Double Star "4.0, 9.8" "17""" 2 1 x steady high 7 H 41.8 min. -72¡ 36' double star in Volans 217 South yellow star with dim orange comparison - challenging in a small 'scope Gamma Volantis Volans Double Star "3.8, 5.7" "13""" 2 2 x steady medium 7 H 8.7 min. -70¡ 30' easy double star in Volans 217 South easy yellow-blue double Gamma Velorum Vela Quadruple Star "1.9, 4.2, 8.2, 9.1" "41"", 62"", 94""" 2 3 2 any lowest 8 H 9.5 min. -47¡ 21' wide quadruple star 222 South wide quadruple anchored by its bright primary star Rumker 8 Carina Double Star "3.6, 5.3" "3.7""" 2 x x steady high 8 H 15.3 min. -62¡ 55' Dob double near NGC 2516 225 South yellow-orange pair; challenging due to brightness contrast h 4128 Carina Double Star "6.8, 7.5" "1.1""" 2 x x steady highest 8 H 39.2 min. -60¡ 19' Dob challenge double near NGC 2516 225 South "tight, Dob-challenge equal pair" Upsilon Carinae Carina Double Star "3.0, 6.0" "5.0""" 2 1 x steady high 9 H 47.1 min. -65¡ 4' challenging double in Carina 227 South "yellow-yellow pair, challenging for small telescopes" h 4432 Musca Double Star "5.4, 6.6" "2.4""" 2 1 x steady high 11 H 23 min. -64¡ 57' close double star 229 South close blue-blue pair J Velorum Vela Triple Star "4.5, 7.2, 9.2" "7.1"", 36""" 2 2 x any high 10 H 20.9 min. -56¡ 3' triple star near the Keyhole 229 South "triple star, with two dim companions (one close, one far)" "Gamma Crucis, Gacrux" Crux Triple Star "1.8, 6.5, 9.7" "125"", 167""" 1 1 1 steady high 12 H 31.2 min. -57¡ 7' "bright, wide triple star in Crux" 232 South too wide to be stand out particularly well in its field Mu Crucis Crux Double Star "7.93.9, 5.0" "35""" 1 2 x steady high 12 H 54.6 min. -57¡ 11' easy double in Crux 232 South "wide, easy pair" Dunlop 159 Centaurus Double Star "5.0, 7.6" "8.9""" 2 2 x steady high 14 H 22.6 min. -58¡ 28' pretty double star in Centaurus 232 South "attractive yellow-blue pair; easy to find, making triangle with Alpha & Beta Centauri" Beta Muscae Musca Double Star "3.5, 4.0" "1.0""" 2 x x steady highest 12 H 46.3 min. -68¡ 6' Dob challenge double in Musca 232 South "bright, tight, tough challenge double for Dobs" Alpha Circini Circinus Double Star "3.2, 8.5" "15""" 2 x x steady high 14 H 42.5 min. -64¡ 59' colorful Dob challenge double 232 South "unequal white-red pair, not far from Alpha Centauri" Alpha Centauri Centaurus Double Star "0.1, 1.2" "8.8""" 3 3 x steady high 14 H 39.6 min. -60¡ 50' our (double) closest neighbor system 232 South "easy, super-bright yellow-orange pair; showcase double and our celestial neighbor" "Alpha Crucis, Acrux" Crux Triple Star "1.3, 1.6, 4.8" "4.0"", 91""" 3 3 2 steady high 12 H 26.6 min. -63¡ 6' bright triple star in Crux 232 South "close, super-bright pair, with distant, bright third star" N Centauri Centaurus Double Star "5.2, 7.5" "18""" 1 1 x steady medium 13 H 52 min. -52¡ 35' double star in Centaurus 239 South easy double star Q Centauri Centaurus Double Star "5.2, 6.5" "5.5""" 2 1 x steady high 13 H 31.7 min. -54¡ 17' close double star in Centaurus 239 South "nice, close pair" Xi Pavonis Pavo Double Star "4.4, 8.1" "3.4""" 1 x x steady highest 18 H 29.9 min. -57¡ 31' Dob double star in Pavo 241 South "large brightness contract, close Dob challenge doub;e" HdO 290 Pavo Double Star "5.8, 10.5" "30""" 1 x x steady high 18 H 23.2 min. -61¡ 30' Dob double star in Pavo 241 South "wide separation double, but the very large brightness contrast makes it a challenge"