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Observing >> Double Star Observing

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Cotts
Just Wondering
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Reged: 10/10/05

Loc: Toronto, Ontario
Re: Zeta Cancri in 6" new [Re: OJS]
      #5777388 - 04/04/13 10:59 AM

OJS, your graph looks ok for the AB pair -it shows about 1.1" for the AB pair for 2013 which agrees nicely with the WDS. The 'sub-arcsecond' pair is C. Actually Ca - Cb according to the WDS with a separation of about 0.4"

Dave


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ziridava
super member


Reged: 08/17/12

Loc: Arad,Romania,Eastern Europe
Re: Zeta Cancri in 6" new [Re: Cotts]
      #5792669 - 04/11/13 04:02 PM

Wednesday night, Zeta Cnc:
In my 125mm F/7 Dobsonian at 135x/Simetric Solid 12.8mm +2X Barlow the tight pair was visible in an eight shape,the distant companion was visible with no efort.Two nights ago the last one was seen in my 3 inch F/9.2 Newwtonian.
At 236x/Celestron ''orange'' Plossl 7.5mm+2x Barlow ,the tight pair of the triple star was also splitted,the companion being at about PA=70 degree.

Mircea


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Cotts
Just Wondering
*****

Reged: 10/10/05

Loc: Toronto, Ontario
Re: Zeta Cancri in 6" new [Re: ziridava]
      #5793475 - 04/11/13 10:58 PM

Good work!

Dave


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azure1961p
Postmaster
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Reged: 01/17/09

Loc: USA
Re: Zeta Cancri in 6" new [Re: Cotts]
      #5793557 - 04/11/13 11:37 PM

Mircea,

Good job. I love the figure eight doubles when the seeing allows for it to happen. Unforgettable on the best nights with the right pairs. Glad you found success here.

Pete


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ziridava
super member


Reged: 08/17/12

Loc: Arad,Romania,Eastern Europe
Re: Zeta Cancri in 6" [Re: azure1961p]
      #5794880 - 04/12/13 04:44 PM

Thank you Dave for pointing to this beautiful triple star,thank you Pete for encouragement.
Last night instead,the seeing was so bad,Zeta Cnc hardly seen as double star.
I still prefer this to the endless clouds...
Mircea


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