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Observing >> Double Star Observing

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Reged: 02/08/11

Loc: Michigan USA
Zeta Aquarii
      #6079658 - 09/14/13 12:07 AM

I believe the WDS shows the pa of 167 for this dbl.
My observation looked more like 90 or 270 depending on
which star was the primary ( primary: 4.4, 4.6) so I did a search of the current pa and I did get a posting of
current PA 266 and separation: 2.3 from 1 site which was
alot closer to my observation. This is preaty new
to me but most stars I observe are close to the pa listed.
If you have a chance to take a look please let me know what you see.

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Reged: 06/28/12

Loc: Colorado
Re: Zeta Aquarii new [Re: labmand]
      #6080280 - 09/14/13 12:07 PM Attachment (38 downloads)

Hi Dave-

I think that you just got your orientation off by 90 degrees as the PA of 167 deg appears to be correct.

I photographed Zeta Aqr just last week and I put together a little composite (Attached) which shows the PA. The east-west axis is established by a star trail photo I took of zeta after my primary exposure just for this purpose. I imported the picture into AUTOCAD to measure the angle and it measured at 165 degrees, close to the published value.

Castle Rock, CO

Edited by ssmith (09/14/13 07:20 PM)

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Reged: 02/08/11

Loc: Michigan USA
Re: Zeta Aquarii new [Re: ssmith]
      #6081328 - 09/15/13 12:06 AM

Thanks Steve, I'll have to take another look when the clouds clear. Just was funny all other dbls apeared to
match the listings, not sure what I did wrong, maybe late night/tired eyes

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