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Mach2 stuck in a slew while parked (APCC Pro)
Luca Marinelli
I had an unusual situation appear last night while imaging unattended with the Mach2. At 4:20am, SGP issued a slew command to a new target and the mount started slewing. However, when I got up and checked the status, I found the APCC status window as in the screenshot below: the SLEW indicator was flashing but the mount was parked. the slew never completed and SGP was still waiting for the mount to confirm that it had completed the slew.
APCC and AP ASCOM logs: https://www.dropbox.com/s/y630iv98br4o1sz/ApccZip-Luca_Marinelli-2021-06-10-063708.zip?dl=0 I don't know if it's relevant, but given the previous conflicts when I used the Mach2 with APCC on a computer that had previously been setup for a Mach1 I'll mention it. I swapped piers and the Mach2 is now connected with the computer that was previously running APCC with a AP1100 without encoders. I have setup Meridian limits, I deleted the old horizon limit file and setup a new one but I did not start with a fresh APCC installation. thanks, Luca 
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Re: Photo Notifications
#photo-notice
Harley Davidson
Thanks Mike! I just can't control Moose :)
toggle quoted messageShow quoted text
tony
On 6/8/2021 11:57 AM, M Hambrick wrote:
Way to go Tony !! Good pictures.
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Re: ASCOM v2 driver
#ASCOM_V2_Driver
George Vlazny
All sorted, I set the jog scope to 90deg/min and speed to 1200x and now works. Seems movement was set to slow to be noticed. Thanks
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Help phd2 900 gto
vincent.visonneau
Hi
For the first time, i try to do a phd2 routine for my old ap 900 gto (with an asi224 and taka 102FS ota), is the result normal or not, orthogonality graph seems to be non orthogonal, it is strange or not? I don't kwon who i can interpret the result? Regards Vincent from france
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Re: Levelling 119FSA for AP1100 RA base
If the mount is off level, it makes a small difference. Shailesh’s pier is only off by less than a degree, so his RAPAS will still be pretty accurate. I just ran the numbers and if the RAPAS reticle is off level by 1 degree, aligning would result in a .7 arcmin error max from the misalignment alone. Not enough to cause a significant error, or be noticeable over the alignment error caused by human eyes using the RAPAS. If the pier was off by 5 or 6 degrees there would be more concerns than just the RAPAS.
Liam
From: main@ap-gto.groups.io <main@ap-gto.groups.io>
On Behalf Of Peter Nagy
Sent: Tuesday, June 8, 2021 3:58 PM To: main@ap-gto.groups.io Subject: Re: [ap-gto] Levelling 119FSA for AP1100 RA base
If you are using RAPAS, shouldn’t the mount be level in East-West direction?
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Re: Levelling 119FSA for AP1100 RA base
Shailesh Trivedi
Thank you Rolando. No shims.
Shailesh
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Re: Levelling 119FSA for AP1100 RA base
Peter Nagy
If you are using RAPAS, shouldn’t the mount be level in East-West direction?
Peter
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Re: Levelling 119FSA for AP1100 RA base
Being reasonably-level when setting up a tripod or portable pier is good for safety reasons, of course.
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Re: Levelling 119FSA for AP1100 RA base
Roland Christen
The only option I have is to put shims under the 119FSA. Don't do that! You want stability, not level.
Rolando
-----Original Message-----
From: Shailesh Trivedi <strivedi@...> To: main@ap-gto.groups.io Sent: Tue, Jun 8, 2021 11:21 am Subject: Re: [ap-gto] Levelling 119FSA for AP1100 RA base Thanks for your feedback Mike. I do not have such a method. The only option I have is to put shims under the 119FSA.
Shailesh -- Roland Christen Astro-Physics
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Re: Levelling 119FSA for AP1100 RA base
Roland Christen
German equatorial mounts do not need to be level. They just need to be polar aligned, which does not require leveling.
Rolando
-----Original Message-----
From: Shailesh Trivedi <strivedi@...> To: main@ap-gto.groups.io Sent: Tue, Jun 8, 2021 9:21 am Subject: [ap-gto] Levelling 119FSA for AP1100 RA base I am trying to mount my AP1100 GTO AE to a permanent non-AP pier for the first time.
The bubble level is a bit off-center (see attached image). Is this a concern? Should I put shims under the 119FSA to try to center the bubble? My application is astrophotography. Shailesh -- Roland Christen Astro-Physics
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Re: Adding Primaluce Labs ECCO2 for Environmental sensor?
Brent Boshart
Thanks Bryan. You are absolutely right, I totally missed that. I was using weather website reporting which must be sea level. I found a calculation that uses altitude and temperature, then the pressure reading on the ECCO2 is bang on.
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Re: Levelling 119FSA for AP1100 RA base
Shailesh Trivedi
Thank you, Chris and Bryan. I got similar feedback from George at AP who also said do NOT put shims to level; perhaps some iterations needed for PA but I have to do that anyway.
Shailesh
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Re: Levelling 119FSA for AP1100 RA base
Worsel
I recall Rod Mollise once said 'you can mount an equatorial on the side of a barn as long as the polar alignment is good.'
Bryan
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Re: Adding Primaluce Labs ECCO2 for Environmental sensor?
Worsel
You can find station pressure and airport pressure with the following link
https://www.wrh.noaa.gov/mesowest/timeseries.php?sid=Kxxx where xxx is the FAA code for the whatever airport you want. Bryan
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Re: Adding Primaluce Labs ECCO2 for Environmental sensor?
Worsel
Brent
Are your 'multiple source' based on airport readings? Airports correct their readings to pressure at sea level, the reference standard to which pilots set their altimeters. Example: western Colorado (right now). Airport pressure for altimeters = 1009, Station pressure (actual) = 817 (Elevation = 1745m) Bryan
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Re: Levelling 119FSA for AP1100 RA base
Absolutely not a concern.
On Tue, Jun 8, 2021, 4:21 AM Shailesh Trivedi <strivedi@...> wrote: I am trying to mount my AP1100 GTO AE to a permanent non-AP pier for the first time.
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Re: Question about the Adapter for the Losmandy polar scope.
Ron Yates
Thanks. I contacted AP today, and they told me about the threaded adapter. Just ordered it. Ronnie Yates.
On Tue, Jun 8, 2021 at 7:53 AM Robert <rwatters65@...> wrote: You'll need part # M4037 in addition to the Q8140 you already have. I believe this originally came with the mount so someone must have removed it somewhere along the years.
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Re: Levelling 119FSA for AP1100 RA base
Shailesh Trivedi
Thanks for your feedback Mike. I do not have such a method. The only option I have is to put shims under the 119FSA.
Shailesh
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Re: Photo Notifications
#photo-notice
Way to go Tony !! Good pictures.
Moose is already pretty famous. Charlie is less so, but he is more respectful of the hat :>) Mike
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Re: Levelling 119FSA for AP1100 RA base
On 6/8/2021 10:21 AM, Shailesh Trivedi wrote:
I am trying to mount my AP1100 GTO AE to a permanent non-AP pier for theHow is the mount attached to the pier? I cast a concrete pier, then bolted an A-P SPA Standard Pier Adapter to four 5/8" threaded rods embedded in the concrete. I put nuts on the rods to allow me to adjust the level of the SPA. This photo shows the setup: <http://astronomy.mdodd.com/observatory.html#PierBolts> Can you do something similar? --- Mike
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