Kochab Observatory Digital Imaging
Double Stars
Binary Star Systems
What are Double or Binary Stars
Constellation - Ursa Major
System Name - Alcor/Mizar
Catalog - SAO
Component A - Mag 2.3
Component B - Mag 4.0
Separation = 11.8"
Position Angle = 71
Distance = 79 LY
Constellation - Coma Berenices
System Name - 24 Coma Berenices
Catalog - SAO 100160
Component A - Mag 5.2
Component B - Mag 6.7
Separation = 20.3"
Position Angle = 271
Distance = 615 LY
Constellation - Cancer
System Name - Iota Cancri
Catalog - SAO 80415
Component A - Mag 4.0
Component B - Mag 6.5
Separation = 30.4"
Position Angle = 307
Distance =
Constellation - Bootes
System Name - Pi Bootis
Catalog - SAO 101138
Component A - Mag 4.9
Component B - Mag 5.8
Separation = 5.7 "
Position Angle =  108
Distance =
Constellation - Leo
System Name - 54 Leo
Catalog - SAO 81583
Component A - Mag 4.5
Component B - Mag 6.3
Separation = 6.5"
Position Angle = 110
Distance =
Constellation - Cepheus
System Name - S2816
Catalog - SAO 33626
Component A - Mag 5.6
Component B - Mag 7.7
Component C - Mag 7.8
Separation A-B = 11.7"
Separation A-C = 20"
Position Angle A-B = 121
Position Angle A-C =  339
Distance =
Constellation - Ophiuchus
System Name - 70 Oph
Catalog -
Component A - Mag 4.2
Component B - Mag 6.0
Separation = 2.8"
Position Angle =
Distance = 16.6 LY
Imaged with Meade LPI
12/11/03


Constellation - Cassiopeia
System Name - Schedar
Catalog - SAO 21609
Component A - 2.2
Component B - 8.0
Separation =
Position Angle =
Distance =
Constellation - Leo
System Name - Gamma Leo (Algieba)
Catalog - SAO 81298
Component A - Mag 2.2
Component B - Mag 3.5
Separation = 4.4"
Position Angle = 122
Distance = 618 LY
Constellation - Lynx
System Name - 19 Lynx
Catalog - SAO 26311
Component A - Mag 5.5
Component B - Mag 6.5
Separation = 5.9"
Position Angle = 315
Distance =
Constellation - Cygnus
System Name - Beta Cygni (Alberio)
Catalog - SAO
Component A - Mag 3.0
Component B - Mag 5.3
Separation = 34.6"
Position Angle = 55
Distance = 380 LY
Imaged with Meade LPI
12/11/03
Imaged with Meade LPI
03/30/04
Imaged with Meade LPI
03/30/04
Imaged with Meade LPI
03/30/04
Imaged with Meade LPI
03/30/04
Constellation - Perseus
System Name - Eta Persei / Miram
Catalog - SAO 23655
Component A - Mag 3.8
Component B - Mag 8.5
Separation = 28.3"
Position Angle = 300
Distance =
Imaged with Meade LPI
5/14/04
Imaged with Meade LPI
5/14/04
Imaged with Meade LPI
5/14/04
Imaged with Meade LPI
8/15/04
Constellation - Cepheus
System Name - Delta Cephei
Catalog - SAO 34508
Component A - Mag 3.5
Component B - Mag 6.3
Separation = 21"
Position Angle = 284
Distance =
Imaged with Meade LPI
7/29/04
Imaged with Meade LPI
8/30/04
Binary Star Simulation
Imaged with Meade DSI
4/8/05
Constellation - Bootes
System Name - Xi Boo
Catalog - SAO 101250
Component A - 4.5
Component B - 7.1
Separation = 7.2"
Position Angle = 332o
Distance = 22 ly
Imaged with Meade DSI
9/26/05
Constellation - Ursa Minor
System Name - Polaris
Catalog - SAO 308
Component A - 2.2
Component B - 9.0
Separation = 18"
Position Angle = 217o
Distance = 390 LY
Imaged with Meade DSI
7/18/05