Return to the Cloudy Nights Telescope Reviews home page


Observing >> Double Star Observing

Pages: 1
inZet
member


Reged: 02/12/09

Loc: Milan, Italy
17 Cyg
      #6075603 - 09/11/13 05:51 PM

Observed yestarday, primary looks white-light yellow. But for the secondary is not simple to identify the color. To me, it seems white.

Post Extras: Print Post   Remind Me!   Notify Moderator  
VanJan
sage
*****

Reged: 07/09/08

Re: 17 Cyg new [Re: inZet]
      #6076351 - 09/12/13 04:41 AM

Yellow-white and turquoise with 90mm F/10 achromat at 36X.

Post Extras: Print Post   Remind Me!   Notify Moderator  
azure1961p
Postmaster
*****

Reged: 01/17/09

Loc: USA
Re: 17 Cyg new [Re: VanJan]
      #6076819 - 09/12/13 11:43 AM

There is no blue star in this pair. No O or B class spectra. Both are shaded of yellow/cream.

Pete


Post Extras: Print Post   Remind Me!   Notify Moderator  
Pages: 1


Extra information
1 registered and 2 anonymous users are browsing this forum.

Moderator:  PJ Anway, Rich (RLTYS), rflinn68 

Print Thread

Forum Permissions
      You cannot start new topics
      You cannot reply to topics
      HTML is disabled
      UBBCode is enabled


Thread views: 357

Jump to

CN Forums Home




Cloudy Nights Sponsor: Astronomics