- Double Stars (Tri) -

And (13) Cep (9) Cyg (4) LMi (4) Per (3) UMi (1)
Aql (9) CMa (1) Del (2) Lyn (9) Psc (1) Vir (6)
Ari (5) Cnc (2) Dra (8) Lyr (5) Ser (1)
Aur (15) Com (1) Eri (1) Mon (1) Sex (1)
Boo (8) CrB (3) Gem (9) Oph (1) Tau (6)
Cam (2) Crv (1) Her (12) Ori (8) Tri (3)
Cas (11) CVn (2) Leo (11) Peg (4) UMa (4)

STF219 (**)

Name: STF219
Type: **
Constellation: Tri
Coordinates: 02h10m16.10s / +33°21'55.20"

Components:
m1 m2 ρ θ Year
8.0 8.9 11.7" 186° 2015
55mm f/9.1, 25x, Bortle 6, NELM 5.0+, SQM-L 19.1
Well separated with noticeable difference in brightness.

STF239 (**)

Name: STF239
Type: **
Constellation: Tri
Coordinates: 02h17m25.29s / +28°44'42.10"

Components:
m1 m2 ρ θ Year
7.1 7.8 13.6" 212° 2017
55mm f/9.1, 25x, Bortle 6, NELM 5.0+, SQM-L 19.1
Easy to split, large distance, noticeable difference in brightness.

STF249 (**)

Name: STF249
Type: **
Constellation: Tri
Coordinates: 02h21m35.66s / +44°35'59.70"

Components:
m1 m2 ρ θ Year
7.2 9.0 2.3" 196° 2015
63mm f/13.3, 168x, Bortle 6-, SQM-L 19.0
Not separated. The diffraction disk showed again and again irregularities, which indicated a double star.