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Can I Sync On A Star And Update the Gemini-2 Plate Model?
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Jim i'm a little confused by your question, what are you trying to do? If you are plate solving you do not need to build a model. When you plate solve, that that performs a sync Remember there are two models, east and west. Syncing or model building on one side doesn't impact the model on the other side.? If you plate solve on each side of the meridian, that should be enough for plate solve to nail your goto within 50 pix or so in under 5 refinements. If you are trying to get more accurate gotos out of the gate, better polar alignment will help On Thu, Jul 2, 2020 at 9:06 PM Jim Waters <jimwaters@...> wrote: Even if I pick 2+ stars each in the East and West and I am real careful about centering the stars during modeling, the Gemini-2 Plate Model may be a little off.? ?How can I Sync on a star or object and update the Gemini-2 Plate Model? --
Brian? Brian Valente portfolio |
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Jim Waters
Sorry - Maybe I am using the wrong terms.? Assuming Vega wasn't included in my initial modeling and I wanted to slew (GOTO) NGC6663 which is close to Vega and be 'dead-on' NGC6663.? I can first GOTO Vega and 'Sync' to update the modeling.? I could then GOTO NGC6663 and be 'dead-on'...
I think the Meade LX200's had something called High Precision GOTO or Pointing. Does the Gemini-2 have Sync capabilities?? BTW - I PA using the PoleMaster then do a quick Alignment Drift. |
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Does the Gemini-2 have Sync capabilities?? yes, but i don't think that is what you need based on what you're saying are you doing?visual or imaging? If you are imaging, are you plate solving? On Thu, Jul 2, 2020 at 9:33 PM Jim Waters <jimwaters@...> wrote: Sorry - Maybe I am using the wrong terms.? Assuming Vega wasn't included in my initial modeling and I wanted to slew (GOTO) NGC6663 which is close to Vega and be 'dead-on' NGC6663.? I can first GOTO Vega and 'Sync' to update the modeling.? I could then GOTO NGC6663 and be 'dead-on'... --
Brian? Brian Valente portfolio |
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That is a demanding focal length for sure. Plate solving is pretty much the only way you are going to be able to pull that off? How are you plate solving and what is your image scale? Do you know why it fails sometimes? That's where I'd start.? On Thu, Jul 2, 2020 at 9:44 PM Jim Waters <jimwaters@...> wrote: Imaging - 11" Celestron SCT 2800mm FL.? I want to be dead-on when I slew to an object.? Plate Solving doesn't always work. --
Brian? Brian Valente portfolio |
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Perhaps what he is looking for can be found in the video titled, "Do I Align or Synchronize"? On Fri, Jul 3, 2020, 12:57 AM Brian Valente <bvalente@...> wrote:
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