S 570 (**)
|
| Name: |
S570 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h39m06.10s / +19°40'36.50" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
7m.5 |
9m.6 |
57.3" |
84° |
2015 |
|
AC |
7m.5 |
9m.3 |
178.6" |
345° |
2015 |
|
|
|
|
Located in Messier 44.
|
|
| Robert Zebahl |
B 16x70, Bortle 7, SQM-L 18.9
AB: 2022-03-02: Medium bright, widely separated with clear difference in brightness. I did not pay attention to the northern, more distant and brighter component C.
|
|
|
S 571 (**)
|
| Name: |
S571 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h39m56.49s / +19°33'10.70" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AD |
7m.3 |
6m.7 |
92.1" |
242° |
2018 |
|
AG |
7m.3 |
7m.5 |
45.7" |
158° |
2018 |
|
|
|
|
Located in Messier 44. This multiple system also includes the double stars BU584 and CHR156. The brightest component is D.
|
|
| Robert Zebahl |
B 16x70, Bortle 7, SQM-L 18.9
AG: 2022-03-02: Wide pair. The northern component A is little brighter and appears slightly orange, the southern component G slightly bluish. I did not pay attention to the brightest component D to the west.
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|
|
STF 1171 (**)
|
| Name: |
STF1171 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h01m00.78s / +23°34'59.20" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
|
6m.5 |
9m.9 |
2.1" |
326° |
2016 |
|
| Robert Zebahl |
102mm f/11, 187x
Observation from the city at half moon. At magnifications between 187x and 280x I could see the very dim companion almost permanently near the first diffraction ring. But the diffraction ring itself was hardly visible. Main problem here was probably the low brightness of the companion.
|
|
| René Merting |
100mm f/6.4, 213x, SQM-L 21.0
bei 142x schmiegt sich Komponente B an der Grenze zur Sichtbarkeit im Süden von Komponente A ganz dicht an den viel größeren Bruder, der ohne Beugungsringe auskommt - bei 213x zeigt sich B leicht abgesetzt von A
|
|
|
STF 1177 (**)
|
| Name: |
STF1177, 17 Cnc |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h05m37.06s / +27°31'46.90" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
|
6m.7 |
7m.4 |
3.5" |
350° |
2019 |
|
| Robert Zebahl |
70mm f/5.7, 57x, Bortle 6-
Easy to separate, but still relatively close together. Well visible difference in brightness. Color of the components was not clearly visible. Nice view overall.
|
|
| René Merting |
100mm f/6.4, 64x, SQM-L 21.0
bei 107x sehe ich ein knapp getrenntes schön eng stehendes Pärchen - Komponente B im Norden ist eine dreiviertel Größenklasse schwächer - das Weiß von A wirkt kühler - zurück auf 64x sehe ich eine Ameise mit dünnem Hals, in ruhigen Momenten zeigen sich beide Sterne sogar getrennt
|
|
|
STF 1187 (**)
|
| Name: |
STF1187 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h09m30.45s / +32°13'18.80" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
7m.2 |
8m.0 |
3.1" |
21° |
2020 |
|
|
|
|
|
|
|
| Robert Zebahl |
70mm f/5.7, 57x, Bortle 6-
Split. Components very tight with noticeable difference in brightness.
|
|
|
STF 1245 (**)
|
| Name: |
STF1245 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h35m51.05s / +06°37'13.90" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
6m.0 |
7m.2 |
10.1" |
25° |
2020 |
|
AC |
6m.0 |
10m.7 |
99.8" |
109° |
2020 |
|
AD |
6m.0 |
11m.9 |
109.1" |
292° |
2020 |
|
AE |
6m.0 |
9m.6 |
113.2" |
207° |
2020 |
|
| Robert Zebahl |
70mm f/5.7, 57x, Bortle 6-
AB at 22x separated, but very close, uneven pair. A appeared white-yellowish, B orange, partly reddish. Opposite in a wide separation the fainter component E was visible. At 57x, A appeared white-yellowish, B orange.
|
|
| René Merting |
100mm f/6.4, 32x, SQM-L 21.0
AB: bei 32x ein sehr enges Pärchen, gerade so getrennt - das Sternpaar ist heller, als viele andere Sterne in der unmittelbaren Umgebung, dadurch ist es sehr auffällig - Komponente A strahlt reinweiß, B steht dem in nichts nach, auch wenn die Komponente gut eine Magnitude schwächer ist
|
|
|
STF 1268 (**)
|
| Name: |
STF1268, iota Cnc, 48 Cnc |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h46m41.82s / +28°45'35.60" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
|
4m.1 |
6m.0 |
31.3" |
307° |
2020 |
|
| Robert Zebahl |
70mm f/5.7, 22x, Bortle 6, SQM-L 19.4
Striking, widely separated with noticeable difference in brightness. Moderate but beautiful color contrast: white-yellowish and grey-bluish.
|
|
102mm f/11, 28x
Grand sight! Pretty wide apart and unequal. A: mild orange, B: very nice light blue.
|
|
|
STF 1276 (**)
|
| Name: |
STF1276 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h47m10.99s / +11°09'34.20" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
8m.3 |
8m.6 |
12.7" |
353° |
2017 |
|
| Robert Zebahl |
B 16x70, Bortle 7, SQM-L 18.9
2022-03-02: Pretty tight, medium bright double star with small difference in brightness.
|
|
|
STF 1291 (**)
|
| Name: |
STF1291, 57 Cnc |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h54m14.65s / +30°34'45.80" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
6m.1 |
6m.4 |
1.5" |
310° |
2019 |
|
AB-C |
5m.5 |
9m.2 |
54.6" |
204° |
2015 |
|
|
|
|
|
|
|
| Robert Zebahl |
70mm f/5.7, 133x, Bortle 6, SQM-L 19.4
AB: Immediately apparent as a double star. Diffraction disks overlapping slightly ('8'). Difference in brightness visible.
|
|
|
STF 1294 & SIN 41 (**)
|
| Name: |
STF1294 & SIN41 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h57m17.08s / +32°53'57.90" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
| STF1294 |
AB |
9m.0 |
10m.8 |
15.5" |
340° |
2017 |
| SIN41 |
AC |
9m.0 |
12m.6 |
191.3" |
285° |
2015 |
|
| Robert Zebahl |
102mm f/11, 28x, Bortle 6-, SQM-L 19.0
STF1294 (AB): At 28x relatively widely separated and rather less striking near the bright star sigma 2 Cnc. Component A appeared slightly orange, the companion only as a dim star. Similar view at 86x.
|
|
|
STF 1298 (**)
|
| Name: |
STF1298, 66 Cnc |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
09h01m24.13s / +32°15'08.30" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
6m.0 |
8m.6 |
4.4" |
137° |
2017 |
|
AC |
6m.0 |
12m.0 |
186.8" |
319° |
2017 |
|
| Robert Zebahl |
70mm f/5.7, 80x, Bortle 6, SQM-L 19.4
AB: At 67x and 80x the companion is visible as a very faint star close to the main component. At 133x it is only visible as a slightly blurred tiny star just outside the first diffraction ring of the primary component.
|
|
102mm f/11, 62x, Bortle 6-, SQM-L 19.0
AB: At 62x clearly separated, significant difference in brightness. The companion can be seen well as a faint little star, apart from the primary component. At 125x easy to split. Component A appeared rather white.
|
|
|
STT 195 (**)
|
| Name: |
STT195 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h53m57.80s / +08°25'17.70" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
AB |
7m.7 |
8m.3 |
9.8" |
138° |
2020 |
|
| Robert Zebahl |
70mm f/5.7, 80x, Bortle 6-
At 22x very nicely separated with a small difference in brightness. The components are still pretty tight. Altogether a rather dim double star. At 80x the color difference is well visible: primary component appears slightly orange, the companion pale blue.
|
|
|
STTA 94 (**)
|
| Name: |
STTA94 |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h36m10.95s / +13°46'39.20" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
|
|
7m.4 |
8m.1 |
43.2" |
133° |
2018 |
|
| Robert Zebahl |
B 16x70, Bortle 7, SQM-L 18.9
2022-03-02: Isolated double star with moderate separation and difference in brightness. The primary component appears white-yellowish, the color of the companion is not clearly visible.
|
|
|
zeta Cnc (**)
|
| Name: |
zeta Cnc, 16 Cnc |
| Type: |
** |
| Constellation: |
Cnc |
| Coordinates: |
08h12m12.79s / +17°38'51.20" |
| Components: |
|
|
m1 |
m2 |
ρ |
θ |
Year |
| STF1196 |
AB |
5m.3 |
6m.2 |
1.2" |
2° |
2020 |
| STF1196 |
AB-C |
4m.9 |
5m.8 |
6.0" |
64° |
2020 |
| STF1196 |
AC |
5m.3 |
5m.8 |
6.2" |
62° |
2020 |
| HUT1 |
Ca-Cb |
6m.2 |
7m.1 |
0.3" |
8° |
2020 |
|
|
|
|
|
|
|
| Robert Zebahl |
70mm f/5.7, 133x, Bortle 6-
The wide pair AB-C is already separable at 22x. The pair AB shows at 133x two clearly overlapping diffraction disks with small difference in brightness, but without any notch.
|
|
120mm f/5, 200x, Bortle 6, SQM-L 19.3
AB: Very tight. The Airy disks were still touching. Slight difference in brightness. Extremely beautiful triple star!
|
|
102mm f/11, 86x, Bortle 6-, SQM-L 19.2
AB-C: Easy to separate. A: light grey, B: pale orange.
|
|
120mm f/5, 67x, Bortle 6, SQM-L 19.3
AB-C: Evident difference in brightness, easy to split. Both components of similar color.
|
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