- Double Stars (CMa) -

And (43) Cet (1) Del (4) Lib (1) Per (27) UMi (1)
Aql (9) CMa (2) Dra (11) LMi (6) Psc (10) Vir (9)
Ari (8) Cnc (10) Equ (5) Lyn (18) Pup (1) Vul (3)
Aur (28) Com (8) Eri (1) Lyr (11) Ser (3)
Boo (20) CrB (4) Gem (22) Mon (1) Sex (2)
Cam (11) Crv (1) Her (16) Oph (1) Tau (11)
Cas (17) CVn (11) Hya (4) Ori (9) Tri (4)
Cep (13) Cyg (26) Leo (24) Peg (16) UMa (37)

AGC 1 (**)
Name: AGC1, 9 CMa, alpha CMa, Sirius
Type: **
Constellation: CMa
Coordinates: 06h45m08.92s / -16°42'58.00"

Components:
m1 m2 ρ θ Year
AB -1m5 8m4 10.7" 75° 2016

../images/binary-star-orbits/AGC1-AB-orbit.jpg

Robert Zebahl
120mm f/5, 150x, Bortle 6-, SQM-L 19.0, Seeing 3/5
2021-03-02: Used magnifications from 86x to 200x using a Baader yellow filter. The diffraction disk was relatively good visible, but the diffraction rings were noticeably in movement (Seeing 3/5).

HJ 3945 & SHY 508 (**)
Name: HJ3945 & SHY508, 145 CMa, Winter Albireo
Type: **
Constellation: CMa
Coordinates: 07h16m36.84s / -23°18'56.10"

Components:
m1 m2 ρ θ Year
HJ3945, Winter Albireo AB 5m0 5m8 26.8" 50° 2015
SHY508 BC 5m8 6m8 999.9" 165° 1999
Robert Zebahl
120mm f/5, 23x
AB: Evident, easy to split at large angular distance. Brighter component appeared very orange, fainter one bluish.