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Re: AP1100 Play in Dec Axis #Guiding Rouz #86102 I remember my old Losmandy single clutch knob needed a moose to tighten. And I though I was strong with my weightlifting training! But I always thought hand tightening those delicate spring tipped AP clutch knobs was enough. Glad I got confirmation here.
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Re: AP1100 Play in Dec Axis #Guiding mjb87 #86101 Glad we don't need a moose. If we did, given AP's culture, the company would start shipping a new moose with each mount.
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Re: 10" Reflector on a Mach2 Jeff B #86100 Bill, the Parallax rings, while robust and very well made, will weigh a fair amount, and because of how they are made, you will most likely get a bit of pointing error due to some residual non-orthogonality in the system. In my experience, having Joe make three of his standard rings and using one of them as a Wilcox ring, is lighter, easier to install and adjust and more accurate plus they might be cheaper too. But If you really want the rotating rings and your tube is 12" O.D., I have a pair of Parallax rotating rings looking for a home. Jeff toggle quoted message Show quoted text On Thu, Apr 21, 2022 at 1:32 PM midmoastro <teche70@...> wrote: Bill, I have used a 12" F/5 GSO on my 1100GTO for visual and planetary but it does not dampen well. This is likely the thin OTA material and cheaper parts; the dovetail is only 13" long and I've wondered if a longer dovetail would help spread the rings and stabilize it better. I'm certain the Teeter would handle much better but how much, I do not know. If you get an answer, I'd like to hear if you proceed and how well it worked out. Todd
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Re: 10" Reflector on a Mach2 midmoastro #86099 Bill, I have used a 12" F/5 GSO on my 1100GTO for visual and planetary but it does not dampen well. This is likely the thin OTA material and cheaper parts; the dovetail is only 13" long and I've wondered if a longer dovetail would help spread the rings and stabilize it better. I'm certain the Teeter would handle much better but how much, I do not know. If you get an answer, I'd like to hear if you proceed and how well it worked out. Todd
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Re: OT: Solar Eclipse Video From Mars Karen Christen #86098 So cool, Dean! Thanks for sharing this with us! Karen AP toggle quoted message Show quoted text From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Dean Jacobsen Sent: Wednesday, April 20, 2022 10:08 PM To: main@ap-gto.groups.io Subject: [ap-gto] OT: Solar Eclipse Video From Mars Not exactly on topic but this video is amazing. Never thought I would see something like this: https://arstechnica.com/science/2022/04/nasa-rover-captures-an-amazing-view-of-a-solar-eclipse-on-mars/ -- Dean Jacobsen Astrobin Image Gallery - https://www.astrobin.com/users/deanjacobsen/ -- Karen Christen Astro-Physics
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Re: AP1100 Play in Dec Axis #Guiding Rouz #86097 Thanks Roland for putting my mind at ease yet again! No I just used a short Allen key and no Moose. The model error getting worse was probably due to the poor valance then, its fine balanced now and I will wait for another clear night.
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Re: AP1100 Play in Dec Axis #Guiding Roland Christen #86096 Can I have overtightened the 8x bearing bolts? You problem appears to have been loose clutches. Overtightening the 8 screws is not an issue unless you used an 8ft cheater wrench with a Moose pushing on the end. Rolando -----Original Message----- From: Rouz <rbidshahri@...> To: main@ap-gto.groups.io Sent: Thu, Apr 21, 2022 10:17 am Subject: Re: [ap-gto] AP1100 Play in Dec Axis #Guiding I tightened the 8 Dec and Ra bolts. they were pretty tight to begin with. I then tightened the clutch knobs all the way down with an Allen key. The gap on the dec axis no longer opened up and the Dec' plate was parallel to the axis which is good news. However, making a model (same points as before) showed the error to much worse. I did change the camera configuration so the balance was off: I'm not sure if the balance being off caused such a larger error? (will rebalance and try again) Can I have overtightened the 8x bearing bolts? -- Roland Christen Astro-Physics
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Re: AP1100 Play in Dec Axis #Guiding Rouz #86095 I tightened the 8 Dec and Ra bolts. they were pretty tight to begin with. I then tightened the clutch knobs all the way down with an Allen key. The gap on the dec axis no longer opened up and the Dec' plate was parallel to the axis which is good news. However, making a model (same points as before) showed the error to much worse. I did change the camera configuration so the balance was off: I'm not sure if the balance being off caused such a larger error? (will rebalance and try again) Can I have overtightened the 8x bearing bolts?
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Re: Mount Status in AP V2 ASCOM Driver Does Not Match APCC Ray Gralak #86094 Hi Mike, As for memory, when all of my applications are running, I am using 4.99 GB out of 12 GB of my computer's RAM capacity, and 260 GB of the 1 TB storage capacity If this were a problem, I would expect that you would have a lot more people with the same issue. The extra memory is not for applications but Windows file-caching. Every time Windows reads or writes a file, all or part of the file may be cached into a portion of unused memory. The more memory you have, the more caching can occur. But if there is not enough memory, file-caching can push out some operating system files that will need to be reread later, thus lowering performance. I only have a short amount of time this morning, but I looked at your logs. There are on and off communications problems but the logs are not able to give a reason. I do not believe the driver and APCC logs are sufficient to determine your computer's particular hardware issues. Instead, you may want to look at the Windows Event Logs to see if there are any hardware issues. Do a web search for "Windows Event Viewer" for directions on how to do that. While switching to a SSD might not be a bad idea, I would put it in the category of just swapping out hardware hoping that it might solve a problem. I am not sure that I have the skills to do that anyway. That's why I said that it might be a better idea to replace the laptop. The VERY weakest link in your particular laptop is its spinning SATA hard drive. It is many times slower than an SSD. If you don't think you have the skills to replace the drive, maybe you can find a computer store local to you that can provide that service. They should be able to copy the entire drive, so you won't need to reinstall any applications. You can also purchase a device that can copy the drives for you, but you may also need appropriate tools and directions to open the laptop and take out the hard drive, and later install the SSD. -Ray
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Re: APPM Model when changing camera Sam #86093 Thank you very much Ray
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Re: APPM Model when changing camera Ray Gralak #86092 Hi Sam, You could do a short APPM run of 10-20 points with the verify option enabled in APPM. This will indicate how well the other camera works with the other camera's model. There shouldn't be much difference if the cameras weigh about the same and the telescope's position in the rings is not moved. -Ray toggle quoted message Show quoted text -----Original Message----- From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of S Berrada Sent: Thursday, April 21, 2022 5:28 AM To: main@ap-gto.groups.io Subject: Re: [ap-gto] APPM Model when changing camera Mr Gralak, I would appreciate any experience or thoughts about using the same pointing model when the camera is changed on the same scope . I realize that ideally one would want to redo the pointing model, but I wonder what the theory would say if the only thing that changes is sensor size and pixel size (assume camera - scope connections are equally rigid). thank you Sam
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Re: APPM Model when changing camera Sam #86091 Mr Gralak, I would appreciate any experience or thoughts about using the same pointing model when the camera is changed on the same scope . I realize that ideally one would want to redo the pointing model, but I wonder what the theory would say if the only thing that changes is sensor size and pixel size (assume camera - scope connections are equally rigid). thank you Sam
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Re: Mount Status in AP V2 ASCOM Driver Does Not Match APCC M Hambrick #86090 Hi Ray As for memory, when all of my applications are running, I am using 4.99 GB out of 12 GB of my computer's RAM capacity, and 260 GB of the 1 TB storage capacity If this were a problem, I would expect that you would have a lot more people with the same issue. While switching to a SSD might not be a bad idea, I would put it in the category of just swapping out hardware hoping that it might solve a problem. I am not sure that I have the skills to do that anyway. That's why I said that it might be a better idea to replace the laptop. If you have any other suggestions for troubleshooting this issue, I would be interested in hearing them. Mike
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Re: OT: Solar Eclipse Video From Mars Marcelo Figueroa #86089 Truly amazing, thanks for sharing
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Re: Unguided Imaging with a SCT Christopher Erickson #86088 There is only one way I have found to be able to run unguided SCT's on any mount, and that is by adding a Hyperstar. At f2.2, exposures are rather short. Floating/flopping mirrors cause much less problems with shorter exposures. The super-wide-field is great for many objects but not so great for others. For planets, I go with video modes and short exposures so guiding isn't very critical there either. When I'm not using a Hyperstar or shooting planets, I always use an off-axis guider. I would like to play with an on-axis guider someday but I haven't yet made the investment. Piggyback guiders on SCT's and most other compound scopes just leads to tears. "Always take the high road. There's less traffic." -Christopher Erickson Observatory Engineer Summit Kinetics Waikoloa, Hawaii toggle quoted message Show quoted text On Wed, Apr 20, 2022 at 1:06 PM Bruce Donzanti <donza2735@...> wrote: I just found out that InnovationsForesight is working with NINA on a native integration
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OT: Solar Eclipse Video From Mars Dean Jacobsen #86087 Not exactly on topic but this video is amazing. Never thought I would see something like this: https://arstechnica.com/science/2022/04/nasa-rover-captures-an-amazing-view-of-a-solar-eclipse-on-mars/ -- Dean Jacobsen Astrobin Image Gallery - https://www.astrobin.com/users/deanjacobsen/
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Re: Mount Status in AP V2 ASCOM Driver Does Not Match APCC Ray Gralak #86086 Mike, If there is in fact a problem with this computer, it should be possible to at least identify what the problem. Just saying that it is old is not an answer. Are you asking me to find a hardware problem on your computer? I've given you a couple of suggestions on what you should do (replace hard drive with an SSD and add more memory). You could at least try those things first, as your computer definitely has some issues! :-) -Ray
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Re: Mount Status in AP V2 ASCOM Driver Does Not Match APCC M Hambrick #86085 Hi Ray That (laptop replacement) is not likely to happen any time soon. And as for other issues, other than this one communication issue with these particular applications this laptop behaves perfectly. If there is in fact a problem with this computer, it should be possible to at least identify what the problem. Just saying that it is old is not an answer. When I read some of the suggestions from other users about what kind of laptop to look for, I was surprised at how many of the computers that were being suggested were using older generation processors than this one has. Mike
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Re: Mount Status in AP V2 ASCOM Driver Does Not Match APCC Ray Gralak #86084 Hi Mike, If this is the same computer with the other issues then I would rather wait until you have a replacement computer. -Ray toggle quoted message Show quoted text -----Original Message----- From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of M Hambrick Sent: Wednesday, April 20, 2022 3:36 PM To: main@ap-gto.groups.io Subject: Re: [ap-gto] Mount Status in AP V2 ASCOM Driver Does Not Match APCC Hi Ray Here is another weird occurrence from the other night. I was trying to connect the AP V2 Driver to the mount through the virtual COM port in APCC. After some difficulty in getting connected I finally had APCC and the AP V2 Driver connected. After several minutes I gave the command to park the mount from APCC. The screen shots below shows what happened next: In the first screen shot you can see from the APCC screen that both APCC and the AP V2 Driver show to be connected, but if you look at the mount info windows in both it appears that the AP V2 Driver is totally locked up and had been for some time. In the second screen shot I have the window arranged so that you can see the comparison of the computer time with the time shown in the AP V2 Driver. There is a 12 minute difference ! I have downloaded all the logs from this session, but I stopped and restarted the AP V2 driver many times, so I need to try to look through them and give you the time stamp of the ones that might show this event.
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Re: Unguided Imaging with a SCT Bruce Donzanti #86083 I just found out that InnovationsForesight is working with NINA on a native integration
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