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Re: Losmandy with ASI Air or Stellarmate pro will they work?
¿ªÔÆÌåÓýThe AsiAir is running the PhD guide engine. That produces the PhD guide logs you may be familiar with. ?You should remember that the AsiAir requires you use ZWO¡¯s cameras, color wheel etc. ? so if you¡¯re gonna use the Air be prepared to use all Zwo gear. On Feb 9, 2025, at 12:21?PM, drice34 via groups.io <drice34@...> wrote:
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Re: Losmandy with ASI Air or Stellarmate pro will they work?
On Sun, Feb 9, 2025 at 11:21 AM, <drice34@...> wrote:
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IME I don't recommend the Stellarmate, too many issues.? If you have the money, a lot of money and feel more comfortable in a Windows environment look at the Primaluce Eagle computers.? Not cheap and they have some issues but overall a high performance option for the people deep, deep pockets.? Even the lowest model will cost you nearly $1,500 and only has an old mobile Celeron with 8GB RAM which in a Windows 11 machine is crippling.? The first real useable version has an Intel Core i5 with 16GB and comes in at $2,500.? The problem is the Eagles don't do anything significantly more or better than an ASIAIR Plus.? ??
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If you are happy on the mini-PC and know the apps you could just stick with that and maybe update to streamline the system a bit.?
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Chip Louie Chief Daydreamer Imagination Hardware? Astrospheric - South Pasadena, CA? |
Re: Losmandy with ASI Air or Stellarmate pro will they work?
On Sun, Feb 9, 2025 at 11:21 AM, <drice34@...> wrote:
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Yes!? The ASIAIR Plus and Pro work very well with the G11G.? I have been using them together for several years as well as during the Gemini 2 L6 Beta test.? They work great together with no significant issues.??I have been using the latest Gemini 2 L6 releases and the latest version of the ASIAIR app which sometimes is a Beta with no issues.?
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I will say that I use the ASIAIR Plus and Gemini 2 with a different configuration than most people, I am using the fastest compact travel router with a 3-port 1Gbps switch available (GL.iNet Slate AX travel router) to connect via Wi-Fi to my Google Pixel XL phone or Samsung tablet, both on Android O/S.? Both the Gemini 2 and ASIAIR Plus are connected to the router using common Ethernet patch cables which provides very fast screen update speed, download and screen refresh is very fast and responsive compared to using the native ASIAIR Wi-Fi.? Additionally the connection is reliable and has a much longer range with speed than the notoriously bad native ASIAIR Wi-Fi.? ??
I'm not sure why you would want to go backward and use a desktop or laptop to access a system that is designed with a user interface designed specifically for mobile device use but if you must there is no difference in interface or function when running an Android emulation like bluestacks, LD player or multi.? They all work the same if a bit slower depending on what it is you are doing.?
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If you want to access the ASIAIR from indoors you can configure the travel router to function as a bridge router and allow your mountside travel router to connect to your home LAN via Wi-Fi and you can run the ASIAIR app under an Android emulator.? It all works well but can take a bit of time to set up and get running smoothly. To save time and trouble I use the newer Slate AX in the field or driveway as a standalone system when I will be nearby or outside observing visually on a secondary mount.? If I want to stay indoors I just swap an older Slate that I leave preconfigured in bridge mode just for this infrequent use.? So the best of both worlds.? ?
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Chip Louie Chief Daydreamer Imagination Hardware? Astrospheric - South Pasadena, CA? |
Re: Losmandy with ASI Air or Stellarmate pro will they work?
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On Feb 9, 2025, at 12:21?PM, drice34 via groups.io <drice34@...> wrote:
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Losmandy with ASI Air or Stellarmate pro will they work?
? I just posted this on CN just so I could get as much info as I could. The other alternative is IF they make a central power distribution block. However I would like to eliminate the mini router and GPS would be nice. ? ? ? ? Bringing up an old thread here... ? Been working a lot lately and found my way to Carlsbad NM for work. Haven't posted here in a while either...... I'm planning on taking my Losmandy G11 with me and have been seriously considering converting from an Intel NUC to ASI air or Sstellarmate Pro. I finally pulled the trigger on an ASI2600 and will be using a large battery bank for power. ? One of my concerns with the current setup with adding the 2600, is the power connections (losmandy/nuc/2600/router). I would have to be creative with the various power supply distribution. Next is that if I have an issue with the NUC, I have no monitor per-se. Right now, I remote desktop in on my local network. I also need a mini router for bridging the gap. ? It is my understanding that ASI and stellarmate creates its own WIFI, eliminating the need for a mini router? Is this correct? I like the power distribution both offer and is one of the most important factors. ? Finally since this is an older thread, I will ask again. Will both of these work with the Gemini 2 V6? ? ? ? |
Re: Gemini 2 Hits Western Limit Early
I tested the mount yesterday afternoon and it was behaving, so I went ahead and did the reset to defaults. I set the limits back to what I had and will see what happens during the next set of interferometer runs. That probably won't be for about a week due to cloudy weather in the near-term forecast. |
Re: Gemini 2 Hits Western Limit Early
Thanks Paul. I'll try your suggestions and see what happens. The problem is that it is intermittent. I ran the interferomter three times this week and it only happened on two of the nights but it was consistent on both of those nights. I was only able to get it to slew to the target star after parking the mount, powering down and performing a warm start. It would misbehave if I used a warm restart.
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I'll report back after running your suggestions. |
Re: Gemini 2 Hits Western Limit Early
On Fri, Feb 7, 2025 at 11:47 AM, Rick Scott wrote:
Hi Rick, hard to imagine what could be causing that. I've not heard of a similar problem before. Just to be sure:
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1. Start with a Cold start in a CWD position. Try slewing the mount with the HC towards the western limit. Does it still stop at the same location? Change the limit by a large amount (say 20+ degrees), and try again, manually. Still stops at the same limit position?
2. If yes, try resetting Gemini to all defaults (from the HC Menu->System->Reset HGM Defaults). Then, set your limit again using the HC, and start from Cold Start, CWD position again. See if the limit is still in the wrong position.
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Gemini 2 Hits Western Limit Early
My G-11 with Gemini 2 has been having problems where it stops tracking and displays that the western limit has been reached. The problem is that it¡¯s not really at the limit. I¡¯ve even increased the limit with no change. The time to western limit shown on the mount's internal web server showed 1 hour and 59 minutes. I've tried changing the western limit and the time to limit increases properly but the mount still stops at the same physical point.?The HC Firmware is V1.20 and the Mainboard Firmware is 5.21.
My HGM Titan doesn¡¯t have this problem. Its HC Firmware is V1.10 and the Mainboard Firmware is 5.10. Note that this is older firmware and that mount doesn't have this problem. I¡¯m running an intensity interferometer using both of these mounts (two telescopes are need to create an interferometer) and they are both tracking Sirius for many hours. I¡¯m starting at an hour angle around -3 and the problem appears when the hour angle is around +2 (5 hours of continuous tracking). The angle of the mount is about 135 degrees and the western limit was set to 150 degrees. I plan on updating to level 6 but cannot until this project is complete. ?
Can you provide guidance on how to resolve this? |
Re: Inaccurate pointing after 4 star model building
Hi, Chip Louie!
Thanks for your reply and suggestions.
When on target, the mount is tracking very well. I did a 90 second exposure and my stars were tight (highlights were dreadful, my scope is an f/4). I couldn't get a GPS signal and had manually entered my position, but I will check again (even better, hopefully get a GPS signal this time). The time was correct against my cellphone. I check my counterweight down position with a level.?
Given the above, the most likely candidates for my observed error are as Paul Kavensky and you suggested: star identification issues, not have the selected stars spread out enough across the sky, and using more stars. These are the first fixes I will try.
Thanks for your help and your encouragement.
Best Wishes and clear skies!
Russ
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Re: Inaccurate pointing after 4 star model building
Hi, Paul!
Thanks for your reply.
The mount isn't new but I don't have a lot of experience with it yet (last year was pretty much dedicated to Dobsonians). I've been selecting "align" when model built and I must confess my ignorance that I don't know what "synchronise" means regarding my Losmandy mount.
The first place I plan to start is to take Paul Kavensky's idea of better star identification and using more stars spread out over a great part of the sky.?
Thanks again for your help.
Best Wishes and clear skies!
Russ
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Re: Inaccurate pointing after 4 star model building
Hi, Paul!
Thanks for the reply and the good comments.
I'm using a Newtonian scope with a tight focuser and my 20 mm eyepiece does have an illuminated, cross hair reticle, so the most likely culprit is misidentification of stars and that I didn't spread out the stars enough (my house is right beside me and covers part of the eastern sky) and add more stars to encompass more of the sky.
Thanks again for your help.
Best Wishes and clear skies!
Russ |
Re: Inaccurate pointing after 4 star model building
On Fri, Jan 31, 2025 at 09:11 PM, Russ Gartz wrote:
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Once an object is centered does the object remain in the FOV?? For how long?? If not depending on how the error manifests there is likely a polar alignment error and/or configuration data error.??
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If the mount keeps objects well centered and your initial GOTO is off this tells you the mount type and model gearing is correct and your PA is okay but the data being used to calculate the new position to GOTO are incorrect.? This could be the assumed initial position Gemini is using is incorrect which includes CWD position, GPS coordinates and UTC settings.?
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But if you are building a model and you are off by 2 degrees as Paul suggests you may have a star identification issue.? This assumes your mount is mechanically 100% and Gemini has correct configuration data.??
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Just have to keep isolating the issue and working it backwards.?
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Chip Louie Chief Daydreamer Imagination Hardware? Astrospheric - South Pasadena, CA? |
Re: Inaccurate pointing after 4 star model building
On Sat, Feb 1, 2025 at 12:11 AM, Russ Gartz wrote:
Hi Russ,
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Double check that you centered the correct stars when doing alignment, and that they were really well centered in the FOV (use cross-hair). South/North hemisphere shouldn't matter much to pointing accuracy, unless you have some significant slop in the focuser or mirror of your scope. There are two models for West and East, that's what really matters to building a good pointing model across the whole sky. If you do have some mirror flop or flexure, try adding a few more stars to the model as this can help compensate for these effects.
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Regards,
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? -Paul
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