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ASIAIR GoTo and Plate Solving near NCP [Deep Sky] Acquisition techniques · Frank Lothar Unger · ... · 1 · 139 · 0

fluthecrank 3.82
Frank Lothar Unger
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Hi folks,

these days I tried to capture NGC2276, near the northern celestial pole.
ASIAIR worked fine for PA and all other routines but failed to center NGC2276. Theplate solving ended after 1 second and no failure was mentioned.
The only problem was that NGC 2276 was nearly half of the frame off.
I corrected framing manually and the sequence run perfect until clouds came up. After a while the sky cleared up and obviousley ASIAIR recentered the frame to the FOV before my manually corrected FOV, all following frames were trash :-(.

Now my question, has nayone had similar issues? 

Thanks in advance and CS

Frank
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messierman3000 7.22
Oscar
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well I had issues with the NCP, with some similarity:

I tried to Goto Polaris, but I was always slewing to a place near it (the NCP I guess?) and never centering the actual star; I had to manually center it through the app

then I tried to calibrate guiding, but that wasn't working; star wasn't moving enough; I had to change the Calibration Step (I think it was that) to a longer duration

then when guiding calibration was complete, I tried guiding, and the guiding was horrible, so I gave up on Polaris

you might ask why I wanted guiding, well, I guess my PA was bad (which doesn't make sense, because my PAs are always under an arc minute in either axis); my mount was perpetually drifting one way and so if I just stuck to tracking, then the target would go out of FOV within a half hour probably
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Sorry :-(

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