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Observing >> Double Star Observing

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ziridava
super member


Reged: 08/17/12

Loc: Arad,Romania,Eastern Europe
Theta Aurigae
      #5610577 - 01/07/13 04:55 PM

In the last month I try at least three times to split Theta Aurigae. ,,Trying'' don't mean a fugitive look, it mean I behave like a sniper for at least one hour,usually more.
Tonight I focused my 125mm F/7 Dobsonian first on 52 Ori and 32 Ori at 232x/7.5mm Celestron ,,orange'' Plossl +2x no name Japanese Barlow.Both were resolved,Airy disc touching and difraction rings embracing ,only occasionaly with black space between the stars.
Next I improved and checked the focus on Delta Gem and than moved to Theta Aurigae.
I saw a very faint companion,next to the third diffraction ring- quite a wide separation - at PA=about 300 degree,anyway in the last quadrant,and pretty close to/but ,,over'' / West.
Seeing was 6/10 on the Pickering scale,no clouds but air very cold and wet.
It was visible another dim star in the field but at a distance,I don't know/it don't seem/ to be part of this star system.

Mircea


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