A couple of issues I've noticed with this mount so far. In becoming familiar with the controls through the ASI Air PLUS, I noticed that the mount will continue to slew as long as either RA or DEC button is pressed. I'm sure this is the case with the AM5 hand controller as well. In testing to determine if my set up will clear the tripod while slewing (I'm also using the optional extended), I've noticed there is no shut off or safeguard to stop the mount should my equipment come in contact with the tripod or pier. Also, I have found no options for setting slew limits. I didn't damage anything as I was watching it closely and stopped before contact occurred. Something to be aware of if doing an autorun.
When mounting the ASI Air on the side of the AM5, make sure the USB ports are facing toward the front of the scope. Otherwise, the USB cables will be pinched between the stationary base and the RA assembly possibly damaging the cables or the ports on the ASI Air.
Overall, very impressed with this! mount
Patrick
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Patrick Graham:
A couple of issues I've noticed with this mount so far. In becoming familiar with the controls through the ASI Air PLUS, I noticed that the mount will continue to slew as long as either RA or DEC button is pressed. I'm sure this is the case with the AM5 hand controller as well. In testing to determine if my set up will clear the tripod while slewing (I'm also using the optional extended), I've noticed there is no shut off or safeguard to stop the mount should my equipment come in contact with the tripod or pier. Also, I have found no options for setting slew limits. I didn't damage anything as I was watching it closely and stopped before contact occurred. Something to be aware of if doing an autorun.
Since the mount has brakes to prevent backdriving, my intuition is it should be fairly easy for ZWO to add a safety feature to prevent pier collisions. That alone would put this ahead of almost any other mount in this price range.
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John Favalessa:
From my recent post https://www.astrobin.com/q1wrya/
The ZWO AM5 Hyperbolic Harmonic! mount finally arrived after 5 months on backorder. They are starting to trickle in. I knew it was risky buying something so new and different, but my CGEM70 is getting a bit heavy for me to travel with and is more than quirky. The AM5 is rated to carry 13kg (28 pounds) without a counterweight and 20kg (44lbs) with. It came with a counterweight bar, so I installed it. I’ve found that it will take Celestron CGEM weights <= 5kg. The total weight of the mount and tripod is 8.7kg (19.2lbs). I can arm curl it! It is advised to put a weight in the tripod sack for added stability which I did. Interestingly, it does not come with a power supply, but fortunately I have several for backup. Spoiler alter – expectation exceeded!
Night 1: I used my 81gt at 8.6kg (19lbs). Setup is quick. Weirdly you do not balance. There are no clutches on RA or DEC. ZWO says there is no need to balance. Polar alignment was quick using the ASIAIR which controls everything. There is no need to star calibrate the mount as the AIR plate solves. Guiding started out good with total RMS at 0.7, but then went crazy 10+. I fooled around with it, but then shut down. Very disappointing and troubling .
Night 2: After watching a ZWO setup video (as no manuals came with the mount. That’s not unusual these days), I discovered I needed to sync the AM5 with the AIR. This step is not need when I run the AIR with my CGEM70 or iOptron CEM70. This night I also ran my WO102GT on my trusty CEM70 to compare guiding. Seeing was good. The AM5 was polar aligned, camera focused, guiding and imaging quickly. Total RMS for the night ranged between 0.6 and 0.28! This was the same values for my comparison rig. I was elated 😀.
Night 3: Last night I thought, well the AM5 can handle the weight of my 81gt, but can it handle my 102gt at 10.6kg (23.4 pounds). Up and running even quicker. Total RMS for the night was between 0.7 and 0.4. My comparison rig, iOptron CEM70 with the 81gt, total guiding was between 0.5 to 0.25. Good seeing for my bortle 7 skies. I was surprised again. I figure with a small counterweight on the AM5 with the 102gt, it will perform as well. Actually, with the 102’s focal length of 714mm and pixel size of 3.76, RMS of 0.7 is as good as I need.
So there you have it. My expectations were exceeded. I’ve got to add that slewing is amazingly quick, smooth and quiet. These hyperbolic mounts have great torque. They are a game changer for those who travel or those of us who are getting too old to handle 35lb mounts. I will need to buy a pier extension for the mount to avoid hitting the legs…on back order of course.
Anyone in the greater LA area want to buy a used Celestron CGEM70 that's been hyper tuned?
Been using mine for a month now and I love it
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Hey All,
Just ordered mine 2 days ago, should be here in a couple of days. I also ordered the ASIAIR Plus and the pier extension, which the extension is coming from ZWO so not sure when it will arrive. But I have a couple of scopes to use where the extension would not be required. ASKAR PHQ65 and my WO Z81 should both do ok, I think. For my other scopes, will definitely need the extension.
Once I get the mount and have tested it out, I will report back my results and of course the likes/dislikes if any.
Clear skies all and thank you for sharing your info.
Regards,
David J.
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Would you guys mind sharing your guiding settings when you get a chance?
I love my AM5 and found a huge difference at least for me with a GT81, 2600MM, and a 7 EFW 36mm - set the tracking to .9 in the connection dialog pop up, and PHD2 works best in 1.5 or 2s exposures.
If I changed either of those parameters to slower tracking or longer exposures, I just wasn't getting the level I was expecting from the mount. With those settings, I'm frequently surpassing my iOptron EC2 dual encoder mount. (in zero wind conditions only)
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Hey All,
Just ordered mine 2 days ago, should be here in a couple of days. I also ordered the ASIAIR Plus and the pier extension, which the extension is coming from ZWO so not sure when it will arrive. But I have a couple of scopes to use where the extension would not be required. ASKAR PHQ65 and my WO Z81 should both do ok, I think. For my other scopes, will definitely need the extension.
Once I get the mount and have tested it out, I will report back my results and of course the likes/dislikes if any.
Clear skies all and thank you for sharing your info.
Regards,
David J.
UPDATE: I am very pleased with the setup and use of the AM5 mount, now using it with my mini PC and N.I.N.A. I also have the pier extension which also helps. When I did use it with the ASIAIR Plus, it also worked great and as everyone else pointed out, it has exceeded my expectations for both use and setup. I am no longer using the ASIAIR Plus, just sold it as I was not happy with the WIFI usage. I now use my home network on the mini pc and can use any or all of my computers in the house, garage to control my setup using Remote Desktop Connection. More reliable and coverage is much better. Even using the extenders and all the reported tricks with ASIAIR Plus, the wifi was less than appropriate for my use. All in all, for the mount itself, I am really enjoying it and it's a breeze to setup and take down. Unplug 1 power cord and pick it up and move it into the house. Simple...
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I have had the AM5 for a few months now and I love it, I took it to Colorado to do on site imaging from a dark site. I took it as cabin baggage in the original case, fits nicely under the seat in front of me. Tripod in check in luggage. Had no issues with 300s subs with no counter weight on my AP92 setup.
It is super easy to PA and works nicely with ASIAir too.
Here are a couple of my image from it https://www.astrobin.com/t7ndfm/
https://www.astrobin.com/lzio47/ |
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5.70
2.71
0.00
4.22
2.41
4.44
