sigma CrB (**)
|
| Name: |
sigma CrB, 17 CrB, STF2032 |
| Type: |
** |
| Constellation: |
CrB |
| Coordinates: |
16h14m40.85s / +33°51'31.00" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
5m6 |
6m5 |
7.2" |
239° |
2019 |
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| Robert Zebahl |
70mm f/5.7, 22x, Bortle 4, SQM-L 20.9
At 22x clearly separated, but very close with a clear difference in brightness. At 57x easy without any noticeable difference in color.
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STF 1964 & HU1167 (**)
|
| Name: |
STF1964 & HU1167, WDS15382+3615 |
| Type: |
** |
| Constellation: |
CrB |
| Coordinates: |
15h38m12.91s / +36°14'48.60" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
| HU1167 |
AB |
8m1 |
9m9 |
1.4" |
80° |
2016 |
| STF1964 |
AC |
8m1 |
8m1 |
14.5" |
90° |
2017 |
| STF1964 |
AD |
8m1 |
9m0 |
15.1" |
84° |
2018 |
| STF1964 |
CD |
8m1 |
9m0 |
1.5" |
21° |
2019 |
|
|
|
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| Robert Zebahl |
102mm f/11, 62x
STF1964 (AC): Rather wide pair, equal without visible difference in color.
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120mm f/5, 23x, Bortle 6, NELM 5m0+, SQM-L 19.4
STF1964 (AC): Nice double star, well split with equally bright components.
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STF 1965 (**)
|
| Name: |
STF1965, zeta 2 CrB |
| Type: |
** |
| Constellation: |
CrB |
| Coordinates: |
15h39m22.68s / +36°38'09.00" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
|
5m0 |
5m9 |
6.3" |
306° |
2019 |
|
| Robert Zebahl |
102mm f/11, 28x
At 28x very tight and barely split, unequal. At 86x very nice view. No difference in color: both components appeared white.
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120mm f/5, 48x, Bortle 6, NELM 5m0+, SQM-L 19.4
Very nice double star, well split with noticeable difference in brightness.
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STF 1973 (**)
|
| Name: |
STF1973 |
| Type: |
** |
| Constellation: |
CrB |
| Coordinates: |
15h46m24.50s / +36°26'45.60" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
|
7m6 |
8m8 |
30.8" |
320° |
2015 |
|
| Robert Zebahl |
120mm f/5, 23x, Bortle 6, NELM 5m0+, SQM-L 19.4
Nice double star, easy to split with noticeable difference in brightness.
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