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Last update: 2019-04-21

VdS FG

- Double Stars (Leo) -

And (13) Cas (12) CVn (2) Her (3) Oph (1) Tau (6)
Aql (4) Cep (9) Cyg (5) Leo (12) Ori (8) Tri (3)
Ari (5) CMa (1) Del (2) LMi (4) Peg (4) UMa (5)
Aur (15) Cnc (3) Dra (1) Lyn (10) Per (3) UMi (1)
Boo (9) Com (1) Eri (1) Lyr (2) Psc (1)
Cam (2) CrB (3) Gem (9) Mon (1) Sex (1)

STF1399 (**)

Name: STF1399
Type: **
Constellation: Leo
Coordinates: 09h57m02.21s / +19°45'44.60"
Components: v7.7 mag / v8.4 mag / 30.6" / 175° / 2016
70mm f/5.7, 22x
Easy to split with nice distance and obviously unequal. A conspicuous group of fainter stars is nearby. Main component appeared in a warm-white, fainter somehow darker (partly bluish, partly slightly orange).

STF1424 (**)

Name: STF1424, gamma Leo, Algieba
Type: **
Constellation: Leo
Coordinates: 10h19m58.35s / +19°50'29.40"
Components: AB / v2.4 mag / v3.6 mag / 4.7" / 127° / 2017
55mm f/9.1, 38x, Bortle 6-, SQM-L 19.1
At 38x split, but very tight with noticeable difference in brightness. At 56x and higher beautiful view of both components, which seemed to have similar colors.

SKETCH

55mm f/9.1, 59x, Bortle 6, SQM-L 19.5
Very nice unequal double. A appeared yellow-orange, B rather white-bluish.

SKETCH

120mm f/5, 66x, Bortle 6-, SQM-L 19.1
At 48x easily seen as double star. It appeared as '8'. At 66x pretty tight with visible difference in brightness.

STF1426 (**)

Name: STF1426
Type: **
Constellation: Leo
Coordinates: 10h20m32.32s / +06°25'47.60"
Components: AB-C / v7.3 mag / v9.4 mag / 7.7" / 11° / 2016
102mm f/11, 160x, Bortle 6-
Quite large angular distance and therefor easy to separate. The C component was pretty faint.

STF1426 (**)

Name: STF1426
Type: **
Constellation: Leo
Coordinates: 10h20m32.32s / +06°25'47.60"
Components: AB / v8.0 mag / v8.3 mag / 0.9" / 314° / 2015
102mm f/11, 160x, Bortle 6-
At first glance elongated, on closer look visible as '8'.

STF1431 (**)

Name: STF1431
Type: **
Constellation: Leo
Coordinates: 10h25m35.12s / +08°46'35.40"
Components: v7.8 mag / v9.1 mag / 3.6" / 76° / 2015
70mm f/5.7, 67x
Separable at 67x, but very close together with a clear difference in brightness. Easy to separate at 100x. Next to it the star 44 Leo shines in a striking, bright orange.

STF1450 (**)

Name: STF1450, 49 Leo
Type: **
Constellation: Leo
Coordinates: 10h35m02.16s / +08°39'01.60"
Components: v5.8 mag / v7.9 mag / 2.1" / 158° / 2015
70mm f/5.7, 133x
B component appeared as clear brightening on the first diffraction ring of the primary component in the correct position angle.

STF1487 (**)

Name: STF1487, 54 Leo
Type: **
Constellation: Leo
Coordinates: 10h55m36.80s / +24°44'59.00"
Components: v4.5 mag / v6.3 mag / 6.4" / 112° / 2017
55mm f/9.1, 27x
At 27x split, but very tight with noticeable difference in brightness. At 71x easy to separate. No visible color difference.

STF1540 (**)

Name: STF1540, 83 Leo
Type: **
Constellation: Leo
Coordinates: 11h26m45.32s / +03°00'47.20"
Components: AB / v6.5 mag / v7.5 mag / 28.2" / 149° / 2016
55mm f/9.1, 16x, Bortle 6, SQM-L 19.5
Wonderful double with slight color contrast in a very nice field. Together with tau Leo stunning view. Slightly unequal. A appeared white-yellowish, B rather gray-bluish.

SKETCH

STF1547 (**)

Name: STF1547, 88 Leo
Type: **
Constellation: Leo
Coordinates: 11h31m44.94s / +14°21'52.20"
Components: AB / v6.3 mag / v9.1 mag / 15.7" / 332° / 2015
55mm f/9.1, 42x, Bortle 6, SQM-L 19.5
Well split with moderate distance. Primary component appeared white-yellowish. Pretty unequal pair.

STF1552 (**)

Name: STF1552, 90 Leo
Type: **
Constellation: Leo
Coordinates: 11h34m42.50s / +16°47'48.90"
Components: AB / v6.3 mag / v7.3 mag / 3.5" / 208° / 2017
55mm f/9.1, 42x, Bortle 6, SQM-L 19.5
A and B very tight and unequal. Much fainter component C very wide apart. All components almost in line. Very nice view.

SKETCH

STFA19 (**)

Name: STFA19, 84 Leo, tau Leo
Type: **
Constellation: Leo
Coordinates: 11h27m56.23s / +02°51'22.50"
Components: AB / v5.0 mag / v7.5 mag / 88.4" / 182° / 2016
55mm f/9.1, 16x, Bortle 6, SQM-L 19.5
Wonderful double with slight color contrast in a very nice field. Together with 83 Leo stunning view. Noticeable unequal. A appeared white-yellowish with a hint of orange, B gray-bluish.

SKETCH

STT215 (**)

Name: STT215
Type: **
Constellation: Leo
Coordinates: 10h16m16.05s / +17°44'24.60"
Components: v7.2 mag / v7.5 mag / 1.5" / 178° / 2017
70mm f/5.7, 133x
Appeared partly separated, partly as '8'. Brightness seemed to be equal.