BU 32 (**)
|
Name: |
BU32, 6 Ser |
Type: |
** |
Constellation: |
Ser |
Coordinates: |
15h21m02.00s / +00°42'55.20" |
Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
5m5 |
8m8 |
3.4" |
22° |
2008 |
|
Robert Zebahl |
102mm f/11, 224x
Not split. Tried at 224x and 280x. Companion probably too faint. I had sidewalk lighting in the immediate vicinity.
|
|
|
STF 1931 (**)
|
Name: |
STF1931 |
Type: |
** |
Constellation: |
Ser |
Coordinates: |
15h18m41.98s / +10°25'39.70" |
Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
7m2 |
8m1 |
13.4" |
166° |
2018 |
|
AC |
7m2 |
12m7 |
172.9" |
93° |
2015 |
|
Robert Zebahl |
70mm f/5.7, 22x, Bortle 6
AB: 2020-04-24: At 22x clearly separated with a moderate difference in brightness. Striking, but still pretty tight. Primary component appears pale orange, the companion grey-blue. At 31x nice color contrast.
|
|
|
STF 1954 (**)
|
Name: |
STF1954, delta Ser, 13 Ser |
Type: |
** |
Constellation: |
Ser |
Coordinates: |
15h34m48.14s / +10°32'20.00" |
Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
4m2 |
5m2 |
4.0" |
171° |
2019 |
|
AC |
4m2 |
13m9 |
66.6" |
18° |
2014 |
|
CD |
13m9 |
14m6 |
4.0" |
341° |
2018 |
|
|
|
|
|
Robert Zebahl |
70mm f/5.7, 57x, Bortle 4, SQM-L 20.9
AB: Easy to separate with relatively close components and a clear difference in brightness. A appeared rather white, B slightly orange.
|
|
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