Rob, all sounds good.... the rest is experimentation.??
(I think you are saying your Gemini model shows all parameters at value 0.? This is what you get with a cold boot up.? There is no reason I can think of for your Gemini to go way off kilter from that.)
Good luck!
On Oct 4, 2017 7:43 PM, " sactowriter@... [Losmandy_users]" < Losmandy_users@...> wrote:
?
Thanks everyone, Wish me luck tonight. I have reinstalled the firmware--it appears that I already had the most current, but I reinstalled anyway. I went line by line through every setting in Gemini to make sure that they were all correct--to the best of my knowledge. I confirmed that there is plenty of power in the battery.?I installed the latest version of the Gemini.net ASCOM driver. I am going to reinstall SGP, just to make sure it isn't the culprit. I had one other thought that maybe the network cable between my computer and Gemini might be faulty. If what I have done so far does not solve the problem, I will try changing that.
As far as the model goes, I'm not using modeling. I have for some time been letting the plate solving software in SGP direct the mount. This is why I suspect a communication problem, though PHD2 has performed flawlessly through all of this and it uses Gemini.net also...we shall see.
What are good safety settings for the mount. I have 124degrees on the?right and 114 on? left. These give left side safety position of 1881600 and right side of 365800. The Western goto limit is 2 degrees 30minutes. This does not seem to be working, as the camera hit the mount.
I really appreciate your responses.
Rob Fink
|
Thanks everyone, Wish me luck tonight. I have reinstalled the firmware--it appears that I already had the most current, but I reinstalled anyway. I went line by line through every setting in Gemini to make sure that they were all correct--to the best of my knowledge. I confirmed that there is plenty of power in the battery.?I installed the latest version of the Gemini.net ASCOM driver. I am going to reinstall SGP, just to make sure it isn't the culprit. I had one other thought that maybe the network cable between my computer and Gemini might be faulty. If what I have done so far does not solve the problem, I will try changing that.
As far as the model goes, I'm not using modeling. I have for some time been letting the plate solving software in SGP direct the mount. This is why I suspect a communication problem, though PHD2 has performed flawlessly through all of this and it uses Gemini.net also...we shall see.
What are good safety settings for the mount. I have 124degrees on the?right and 114 on? left. These give left side safety position of 1881600 and right side of 365800. The Western goto limit is 2 degrees 30minutes. This does not seem to be working, as the camera hit the mount.
I really appreciate your responses.
Rob Fink
|
I’ve had a similar behavior. ? This appears to happen when I’m pointing east, and the G11 doesn’t swap the meridian on the way to parking. I go out there and the weights are 30 degrees up in the east and the scope is 30 degrees buried in the west. It hits the safety limit. Not the park position. The park request is initiated from SGP after a sequence is completed. ? Another incident: Last week while trying out a 3 hour run, a meridian auto flip was executed half way through, and a plate solve done, but then the mount went back to the west side again and hit the safety limit. ? Doug Bock
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Rob
Is this a Gemini-2, if so make sure you have the latest .
Tom H
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?
Hi everyone,
For two nights, I have had exactly the same thing
happen. I am taking a four plate mosaic of M31. The
first plate goes flawlessly, but when the command to
move a small distance to the next plate comes, there has
been a problem both nights. The slew takes an abnormal
amount of time but finally ends. When the plate solving
picture is taken there are star trails, indicating that
the mount is still moving. After trying to resolve it my
connecting and disconnecting the software, both nights I
have finally had to resort to parking the mount at CWD
and turning Gemini off and then back on. When I go out
to the mount it is not at exact CWD position. The RA is
off about 20 degrees.
When I correct the CWD and restart Gemini,
everything works fine for the remaining three plates,
including a meridian flip. I can find nothing binding on
the mount that might have caused this problem, but to me
that seems to be?the most likely culprit.
Does anyone have any other ideas?
Rob ?
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Re: Mount refuses to go to Vega....?
Hi! Thanks! OK, I'll try replacing the battery - it's been there a year I think. Since this happens also with the HC, not only when using the computer, the USB-R232-converter issues could hardly be the culprit, could it? It feels like a pointing model error to me, but when I do a cold start - there is no pointing model, right? Magnus ---In Losmandy_users@..., <chiplouie@...> wrote : Hi Magnus,
How fresh is your battery? If you have not changed it out in the last few months put a DVM on it and check the voltage. The other issue I have had when my Gemini 1 acted weirdly like this was resolved by replacing the USB to RS232 serial converter with a new ATEN USB to RS232 converter. IF this works you may have a bad or at least failing I/O ship in your Gemini 1 controller. Contact Michael Herman on this list and see if he can work you into the schedule for a repair.?
Chip ??
|
Rob,?
Here are some initial thoughts: - Reset your Gemini by taking out the internal 3v battery for a few minutes. Replace it with a fresh one, just in case
- Make sure you set all correct settings, including time zone and time, geo location, mount type?
- Make sure you start as close to CWD position as you can
- Double-check that your motor cables are plugged in well, making good contact.
- Check that your oldham couplers are not slipping and the set screws are tightened down
- Check that your clutches hold well and do not slip
Regards,
? -Paul
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Rob,
my guesses ...follow:
1. Use Gemini.net to look at the values of your Model (the "T-model").? When the errors occur, write down the parameyers and their values.? ?Then "reload model from PC" which should be your hood stored model from when you reboot your PC connection.? Compare the values:? do you see any whacky values there when the system misbehaved?
2. How can pointing errors come sbpit? If you left "Synch performs additional Align " checked on the Gemini.net then perhaps your simple slew could have resulted in a pointing model error.??
I'd further guess that when you rebooted the Gemini, it can reload you good stored PC model back and made everthing work swell.... til the next slew and synch...
3. My reasoning was:?
Physical cable snags, or clutch slips, are possible,? but your "long time to slew" was a clue the mount went somewhere else far away, as you discovered.? So it's a Gemini calculation error.? That error comes from bad model values...
best regards, and good luck,? Michael?
On Oct 4, 2017 02:42, " sactowriter@... [Losmandy_users]" < Losmandy_users@...> wrote:
?
Futher update. Tonight it did the same thing on the third frame. This time I went out to check the mount before I sent it to CWD. I found that it had tried to "bend over backwards" or in other wards it had been sent looking for something in the Western sky?without?meridian flipping. The leg?of the mount stopped it, and, yes, I had put in safety limits. I believe this is what is happening every time.?On this particular time it had slewed to the new position fine and was only 97 pixtels from being centered. On the next move to bring it to within 50, it went flying off to the west.
For the last month and a half and through literally hundreds of subs, I have cold started the mount and let the plate solving software of SGP tell it where to go. This has gone on flawlessly until I left on a 5 day trip. When I came back, this problem began.?
I have gone line by line through the Gemini settings and found nothing amiss. I have no idea where to go with it now.
Thanks in advance for a suggestions you can offer.
Rob
|
Futher update. Tonight it did the same thing on the third frame. This time I went out to check the mount before I sent it to CWD. I found that it had tried to "bend over backwards" or in other wards it had been sent looking for something in the Western sky?without?meridian flipping. The leg?of the mount stopped it, and, yes, I had put in safety limits. I believe this is what is happening every time.?On this particular time it had slewed to the new position fine and was only 97 pixtels from being centered. On the next move to bring it to within 50, it went flying off to the west.
For the last month and a half and through literally hundreds of subs, I have cold started the mount and let the plate solving software of SGP tell it where to go. This has gone on flawlessly until I left on a 5 day trip. When I came back, this problem began.?
I have gone line by line through the Gemini settings and found nothing amiss. I have no idea where to go with it now.
Thanks in advance for a suggestions you can offer.
Rob
|
Hi everyone, For two nights, I have had exactly the same thing happen. I am taking a four plate mosaic of M31. The first plate goes flawlessly, but when the command to move a small distance to the next plate comes, there has been a problem both nights. The slew takes an abnormal amount of time but finally ends. When the plate solving picture is taken there are star trails, indicating that the mount is still moving. After trying to resolve it my connecting and disconnecting the software, both nights I have finally had to resort to parking the mount at CWD and turning Gemini off and then back on. When I go out to the mount it is not at exact CWD position. The RA is off about 20 degrees.
When I correct the CWD and restart Gemini, everything works fine for the remaining three plates, including a meridian flip. I can find nothing binding on the mount that might have caused this problem, but to me that seems to be?the most likely culprit.
Does anyone have any other ideas?
Rob ?
|
Re: Mount refuses to go to Vega....?
Hi Magnus,
How fresh is your battery? If you have not changed it out in the last few months put a DVM on it and check the voltage. The other issue I have had when my Gemini 1 acted weirdly like this was resolved by replacing the USB to RS232 serial converter with a new ATEN USB to RS232 converter. IF this works you may have a bad or at least failing I/O ship in your Gemini 1 controller. Contact Michael Herman on this list and see if he can work you into the schedule for a repair.?
Chip ??
|
Mount refuses to go to Vega....?
Hi! Lately, I've run into some problems with pointing my G-11 with a Gemini 1. For instance: I cold start the moint, then choose Go to bright star, Choose Vega or Deneb - high in south. ANd I get "***Interrupted***" from the HC. Or if I do it over the computer (running Ekos/Indi) it just says "slew complete, tracking" and still point to the north pole. First, I thought this was because of some error in the pointing model (like believing Vega was below the horizon), but when it happens on a cold start.... ? I manage to get around it, by choosing another star, say Dubhe, and align on that, and then manually move towards Cygnus or Lyra. But what might be going on here? Magnus
|
Re: oops, forgot mount left on all night/day
Ron,
I didn't set the limits for a long time...didn't quite see them on the handset menu and didn't discover the easy way on the Gemini.net applet til a year or so after imaging with the system.??
It's now an important part of setting up imaging...especially if there is a chance I won't hear my alarm clock/phone go off.??
Stay well and have fun,
Michael?
On Oct 2, 2017 2:12 PM, " rappnron@... [Losmandy_users]" < Losmandy_users@...> wrote:
?
thank you both for the thoughtful replies
I have a 1 yr old Gemini 2, and although I tend to adjust the clutches rather snug I guess the worm gear didnt get damaged - as you say I have not detected slippage since the event. I suppose the slippable RA clutch just slipped along as it was supposed to do !.
yes, I need to set the limits
thanks again
Ron
---In Losmandy_users@..., Scary as that sounds,? you should be ok.? Your slippable RA clutch should have prevented serious damage from the slow motion collision.??
If you are using a Gemini unit, I'd suggest you use the nice Gemini.net applet to set the mount RA limits in East and more importantly West .? Then the mount should just stop? (and loudly beep) before it actually hits any mount physical obstacles.? (Allows sleeping imagers to have sweet dreams.)
You will have to re-Synch your pointing model next time you power up.?
All the best, Michael?
|
Re: oops, forgot mount left on all night/day
thank you both for the thoughtful replies I have a 1 yr old Gemini 2, and although I tend to adjust the clutches rather snug I guess the worm gear didnt get damaged - as you say I have not detected slippage since the event. I suppose the slippable RA clutch just slipped along as it was supposed to do !. yes, I need to set the limits thanks again Ron ---In Losmandy_users@..., <mherman346@...> wrote : Scary as that sounds,? you should be ok.? Your slippable RA clutch should have prevented serious damage from the slow motion collision.??
If you are using a Gemini unit, I'd suggest you use the nice Gemini.net applet to set the mount RA limits in East and more importantly West .? Then the mount should just stop? (and loudly beep) before it actually hits any mount physical obstacles.? (Allows sleeping imagers to have sweet dreams.)
You will have to re-Synch your pointing model next time you power up.?
All the best, Michael?
On Oct 1, 2017 21:58, " rappnron@... [Losmandy_users]" < Losmandy_users@...> wrote:
?doieee
I left the mount power on all night and discovered the scope smack against the leg the following afternoon
Tracking seems to be OK, Ive not yet discovered any difference in handling,...?
but is there now something that I should evaluate? or do?
am I OK?
Ron ? (gee whiz do I HAVE to use my name??!)
|
Re: What time zone should I be using please?
Okay thank you very much Linda.
Clear skies
Chris
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Re: File - Guidance on Posting Documents and Pictures.doc
It's automatic once a month.
Dan --. Please pardon any mispelings or errors.
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On Oct 2, 2017, at 10:13 AM, 'George Seitz' gwsarch@... [Losmandy_users] < Losmandy_users@...> wrote:
Please delete me from your Documents and Posting emails. ? Thank you. ? ? ?
File : Guidance on Posting Documents and Pictures.doc
Description : A few rules and comments to prevent anarchy in the files and photos section
|
Re: What time zone should I be using please?
I think you should be at -4 for DST. typos courtesy of iPad
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On Oct 2, 2017, at 12:17 PM, denturist89@... [Losmandy_users] < Losmandy_users@...> wrote:
?
Hi Group
I keep forgetting this but what time zone should I be using now for daylight savings time -4 or -5 in my Gemini 1 level 4? I live in Ontario same time zone as New York. Thank you!
Chris
|
What time zone should I be using please?
Hi Group
I keep forgetting this but what time zone should I be using now for daylight savings time -4 or -5 in my Gemini 1 level 4? I live in Ontario same time zone as New York. Thank you!
Chris
|
Re: File - Guidance on Posting Documents and Pictures.doc
Please delete me from your Documents and Posting emails. ? Thank you. ?
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From: Losmandy_users@... [mailto:Losmandy_users@...]
Sent: Saturday, September 30, 2017 8:17 PM
To: Losmandy_users@...
Subject: [Losmandy_users] File - Guidance on Posting Documents and Pictures.doc? ?
File : Guidance on Posting Documents and Pictures.doc
Description : A few rules and comments to prevent anarchy in the files and photos section
|
Re: oops, forgot mount left on all night/day
High Ron
its just etiquette to sign your name...so we know who we are replying to.
I assume its a Gemini 1 system?? If so you can set Ra limits to stop this happening. Although yes I've had a Ra clash for a few hrs.?? Motor just got hot as the mount axes slipped against the clutch.
If not a Gemini system it still should be ok for the above..."slipping against the clutch"....aka doing what it was designed to do.
Brendan
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Re: oops, forgot mount left on all night/day
Scary as that sounds,? you should be ok.? Your slippable RA clutch should have prevented serious damage from the slow motion collision.??
If you are using a Gemini unit, I'd suggest you use the nice Gemini.net applet to set the mount RA limits in East and more importantly West .? Then the mount should just stop? (and loudly beep) before it actually hits any mount physical obstacles.? (Allows sleeping imagers to have sweet dreams.)
You will have to re-Synch your pointing model next time you power up.?
All the best, Michael?
On Oct 1, 2017 21:58, " rappnron@... [Losmandy_users]" < Losmandy_users@...> wrote:
?
doieee
I left the mount power on all night and discovered the scope smack against the leg the following afternoon
Tracking seems to be OK, Ive not yet discovered any difference in handling,...?
but is there now something that I should evaluate? or do?
am I OK?
Ron ? (gee whiz do I HAVE to use my name??!)
|
Michael Herman
Doug Bock
Paul Kanevsky