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Astrophotography and Sketching >> Beginning and Intermediate Imaging

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OrionSword
member


Reged: 08/14/10

Loc: Colorado
Orion Starshoot Autoguider Chip Orientation new
      #5685811 - 02/17/13 07:40 PM

Recently acquired a SSAG but noticed while using it with PHD during the clibration phase that E/W movements took place on the vertical bar with East at the top and N/S on the horizontal bar North to the left.

Although guiding went fine it was a bit disconcerting that the directions disagreed with the EQ-ASCOM controls.

Is this normal or do you re-orient the camera body for general use?


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CounterWeight
Postmaster
*****

Reged: 10/05/08

Loc: Palo alto, CA.
Re: Orion Starshoot Autoguider Chip Orientation [Re: OrionSword]
      #5685893 - 02/17/13 08:24 PM

I don't worry about the SSAG orientation. One of my experiment was to make several tries at 45* increments (yes this led to some odd orientations) to see if it made any difference in tracking results, 'no difference noted'. You can try this to verify.

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OrionSword
member


Reged: 08/14/10

Loc: Colorado
Re: Orion Starshoot Autoguider Chip Orientation new [Re: CounterWeight]
      #5686075 - 02/17/13 10:08 PM

Hi Counterweight,

Thanks for your response which is more than adequate. Just want to make sure it didn't matter since I only used it for one short session. It replaced another imaging camera which operated just the opposite.


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SMigol
sage


Reged: 07/30/10

Loc: California, USA
Re: Orion Starshoot Autoguider Chip Orientation new [Re: OrionSword]
      #5688252 - 02/19/13 02:51 AM

To make it easier to drift align with the SSAG and PHD, I orient my SSAG to fit the Y and X with Dec and Ra. For reference, this means that the label on the back of the camera is "vertical".

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