Date   

Probably a dumb question #ASCOM #iEXOS-100 #alignment

Musk
 
Edited

TL;DR. Got serial Ascom connection to work, how do i do 3 star alignment without Explore Stars now? Mount does not accept slew commands from POTH or Cartes du Ciel without alignment, and Explore Stars obviously doesnt work anymore.

 

TS;WM. I sorted out the PA issues and now im getting PE trailing, so autoguiding here i come.

But thats not my question. Even though i wanted to stay wireless, the Ascom serial connection seems like it would be pretty helpful.

Long story short: I got Ascom to work!! only took me almost 7 hours. But how do i do 3 star alignment now? Explore Stars doesnt work anymore and the mount does not accept slew commands without star alignment. POTH and Cartes du Ciel also do not move the mount at all. If Plate Solving is the only possible way then i got some more questions.

May i add that only one of the 2 red dots in POTH turn green when connected to the mount.

--
Gear: Celestron NexStar 102SLT | iEXOS-100 | Skywatcher 8" Dobsonian | Nikon D3400 Full Spectrum modified


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Re: POTH Lag #ASCOM #EXOS2

Chris Tardif
 

Clear evidnce Wes has been locked inside too long. 



--
Mounts: Explore Scientific IEXOS-100 w Celestron CG5 tripod, iOptron CEM 40
Scopes: Explore Scientific FCD-100 ED-102CF, Various Canon lenses, ZWO mini-guidescope, StarField 60mm guide-scope.
CameraASI120MM Mini (mono), Altair GPCAM 130
Control PC: Intel NUC
Loc: 44 -79


Re: POTH Lag #ASCOM #EXOS2

Wes Mcdonald
 

Tim:

Why is there a pause?  When we encounter these behaviours, I often ask myself this: What does this all mean?

And then I remember these insightful and helpful words:

The whole building is a huge, superconductive antenna that was designed and built expressly for the purpose of pulling in and concentrating spiritual turbulence. Your girlfriend lives in the corner penthouse... of Spook Central.

Gozer the Traveler. He will come in one of the pre-chosen forms. During the rectification of the Vuldrini, the traveler came as a large and moving Torg! Then, during the third reconciliation of the last of the McKetrick supplicants, they chose a new form for him: that of a giant Slor! Many Shuvs and Zuuls knew what it was to be roasted in the depths of the Slor that day, I can tell you!

Do you believe in UFOs, astral projections, mental telepathy, ESP, clairvoyance, spirit photography, telekinetic movement, full trance mediums, the Loch Ness monster and the theory of Atlantis?

I recommend you roll with it.  Some things are not meant to be known.

Wes.

PS:  The above is all from the movie Ghostbusters.  I often turn to it for inspiration when all else fails.  You should try it.  Does less damage than cheap hooch.  But remember, one universally useful tip ... "Don't cross the streams."

But enough.  Seriously, the answer to your question is found in the following, extracted from the User Manual:

If you want to affect the neurological system you are much better off going deeper to the periosteum, joint capsules, ligaments and tendons as it is well known that these areas contain interstitial mechanism receptors. Interstitial mechanoreceptors are more abundant than the mechanoreceptors of the skin, eyes, ears and nose combined.  The muscles may be out of place.  Try to move them upwards with your fingers...esp the obturator internus.  Also, it's important to keep in mind that :
  1. Each hour of sleep prior to midnight is twice as refreshing as an hour of sleep after midnight.
  2. The body knows the days of the week and sleep patterns change on Fridays and Saturday.
Really, Really Finally, I leave you with these gems of wisdom.  Within you will find many answers:

National Lampoon's Deteriorata

You are a fluke of the universe. You have no right to be here.
Deteriorata. Deteriorata.
Go placidly amid the noise and waste,
And remember what comfort there may be in owning a piece thereof.
Avoid quiet and passive persons, unless you are in need of sleep.
Rotate your tires.
Speak glowingly of those greater than yourself,
And heed well their advice, even though they be turkeys.
Know what to kiss, and when.
Consider that two wrongs never make a right, but that three do.
Wherever possible, put people on hold.
Be comforted that in the face of all aridity and disillusionment,
And despite the changing fortunes of time,
There is always a big future in computer maintenance.
You are a fluke of the universe.
You have no right to be here.
And whether you can hear it or not,
The universe is laughing behind your back.
Remember The Pueblo.
Strive at all times to bend, fold, spindle, and mutilate.
Know yourself.
If you need help, call the FBI.
Exercise caution in your daily affairs,
Especially with those persons closest to you -
That lemon on your left, for instance.
Be assured that a walk through the ocean of most souls
Would scarcely get your feet wet.
Fall not in love therefore. It will stick to your face.
Gracefully surrender the things of youth: birds, clean air, tuna, Taiwan.
And let not the sands of time get in your lunch.
Hire people with hooks.
For a good time, call 606-4311.
Take heart in the bedeepening gloom
That your dog is finally getting enough cheese.
And reflect that whatever fortune may be your lot,
It could only be worse in Milwaukee.
You are a fluke of the universe.
You have no right to be here.
And whether you can hear it or not,
The universe is laughing behind your back.
Therefore, make peace with your god,
Whatever you perceive him to be - hairy thunderer, or cosmic muffin.
With all its hopes, dreams, promises, and urban renewal,
The world continues to deteriorate.
Give up!
You are a fluke of the universe.
You have no right to be here.
And whether you can hear it or not,
The universe is laughing behind your back.
You are a fluke of the universe.
You have no right to be here.
And whether you can hear it or not,
The universe is laughing behind your back.

--
Wes, Southport NC
PMC-8, ES ED 127, 10" LX200GPS, Astro-Tech 8" Newt, ETX-90
Polemaster, Orion ST-80 and SAG
Electrical Engineer, Retired


POTH Lag #ASCOM #EXOS2

Timothy Myers
 

I have added POTH to my setup so I have control of the EXOS-2GT with both CC and SharpCap.

With the accuracy of the Plate Solving in SC, I seldom slew around anymore, but the few times I have had to do that, I notice a pronounced lag from clicking on a slew button till the mount actually moves.

First, is this normal? If not any ideas what is happening?
--
Tim Myers

Telescopes:     Celestron 4SE, Celestron 8SE, SkyWatcher 100ED Pro
Mounts:           4-5 SE, 6-8SE, EXOS-2GT with PMC-Eight
Cameras:        ASI1600MC, Cooled
Tablets:           Asus Nexus 7, Amazon Fire 7
Laptop:           Lenovo


Re: IEXOS-100 polar tunnel laser

Randy Rivers
 

They can be found for as little as $46 cad and green. They are used to sight scopes to rifles. Very accurate if the bore is.


Re: IEXOS-100 polar tunnel laser

Randy Rivers
 

22 = 5.6mm. These can be found to fit 177 caliber which is 4.5mm


Re: IEXOS-100 polar tunnel laser

George Fargone
 

I was thinking of that too, but it is a small bore for a laser pencil to sit in.

On Tuesday, April 14, 2020, 6:02 PM, Randy Rivers <grr7965@...> wrote:

I have no idea what the diameter of the tunnel is but would a laser bore sight work. They are available in many sizes, prices and green as well. Search laser bore sight
https://www.amazon.ca/Laserlyte-Sighter-22-50-Caliber-MBS-1/dp/B004NKW7C2/ref=sr_1_13?crid=3KK5A8QZQW5UL&dchild=1&keywords=laserlyte+universal+laser+bore+sight&qid=1586912366&sprefix=Laserlyte%2Caps%2C302&sr=8-13


IEXOS-100 polar tunnel laser

Randy Rivers
 

I have no idea what the diameter of the tunnel is but would a laser bore sight work. They are available in many sizes, prices and green as well. Search laser bore sight
https://www.amazon.ca/Laserlyte-Sighter-22-50-Caliber-MBS-1/dp/B004NKW7C2/ref=sr_1_13?crid=3KK5A8QZQW5UL&dchild=1&keywords=laserlyte+universal+laser+bore+sight&qid=1586912366&sprefix=Laserlyte%2Caps%2C302&sr=8-13


Re: Polar alignment

Bruce Bradley <landru@...>
 

Kent,
The key you mention only types a . but lets get beyond that because that is not a problem right now.

I don't think that I've had a decent polar alignment so that is why I downloaded PS Align app for my iPhone so I should get a better alignment. 

You mention the 15 degree difference which is about 1 hour in RA but doesn't the iPad pick equivalent UT for your time zone? I was assuming it was and taking into account for daylight savings time. I just looked at the ExploreStars app and the UTC is 4 hours greater than my local EDT which I think is what it should be.

The scope I'm using is the AR 127 Air-Spaced Doublet with the Bresser 70° 30mm eyepiece. The mount is level on a cement pad, my lat is 32.8 and set correctly on the mount. I do plan on getting a green laser because the northern sky were I observe is the brightest part of the otherwise very dark sky so the laser will help

Scopes - Celestron Comet Catcher, Celestron C8, AR 127 Air-Spaced Doublet
Mount - EXOS-2GT


Re: Polar alignment

Kent Marts- Explore Scientific Customer Service
 

The IP address is vital. It is 192.168.47.1

 

The .?123 button is on the iPad’s virtual keyboard. When you tap somewhere you can type, the virtual keyboard comes up. The key button in question is on the bottom left.

 

You probably did talk to me.

 

If you’re doing visual and do a polar alignment, IF you slew to a known target and nail it, that’s good confirmation you have good polar alignment. Thus, a 2- or 3-star alignment is not necessary.

 

When people tell me that are off by 10 or 15 degrees my first instinct is to make sure the longitude is correct and time is correct. Because 15 degrees off indicates one time zone off.

 

When you have polar aligned, can you see Polaris in your telescope? How close to the center is it?

 

What telescope are you using and what low-power eyepiece. I will calculate the apparent field of view, so we can have an idea of what Polaris needs to be in the eyepiece.

 

If you’ve got 7 degrees of view, Polaris should be 1/7th of the way from center because that’s about as far as Polaris is from the North Celestial Pole. If you view of view is 3 degrees, then Polaris should be 1/3rd of the way from center.

 

And then there’s the question of where, exactly, on a 24-hour clock face. That’s higher level – for you, just getting it close to the middle should be good enough.

 

Once your can see Polaris centered in the eyepiece, slew to a known target – Venus is well placed in the evening sky – so you’ll know if you’re on it.

 

Is your tripod level before you install the mount head?

 

What is our latitude? Does it match that on the side of the mount?

 

How do you confirm that you are aligning on Polaris?

 

If you are aligned to the wrong star, the slews will always be off.

 

If you have a green laser you can do what I do – put it beside the mount and point it at Polaris to roughly verify that indeed it is pointing at Polaris. Then I have someone point it at Polaris, while holding it close to the mount, while I look through the peephole to see if I can see the laser. If I can see it I know I’ve aligned on Polaris.

 

If I can’t see the laser a have the person move the laser around a bit so I can get an idea of which way I need to move the mount.

 

I use this process on other mounts, too.

 

My green laser is this: https://www.amazon.com/Pinty-Hunting-Rifle-Adjustable-Mounts/dp/B019Q05CNY

 

Your iPad should be able to pick up GPS by itself. I posted a couple of methods. My guess is that Location Services is not set to allow access to the app.

 

Kent

 

 

 

 

 

 

From: MAIN@ESPMC-Eight.groups.io <MAIN@ESPMC-Eight.groups.io> On Behalf Of Bruce Bradley via groups.io
Sent: Tuesday, April 14, 2020 2:32 PM
To: MAIN@ESPMC-Eight.groups.io
Subject: Re: [ESPMC-Eight] Polar alignment

 

Does the scope IP really matter because I ended up deleting it when I tried to follow your in instructions about manually entering a minus sign via the iPad keyboard that comes up. By the way there is no .?123 button as you can see from the screenshot i posted earlier.

When I talked to, I think it was you on the phone when I received the mount, you told me I really only needed to do a polar alignment since I was doing observation only and not imaging. Well its's been since October, went I got the scope/mount, and I haven't been able to actually use the ExploreStars app to view any deep sky objects. I only get to try to use it about once a month so that's been about six times and maybe 12 hours of frustrating adjusting, slewing realigning, and scratching my head. I tried once, to use a two star alignment but wasn't exactly sure what star it wanted me to use. There was just a red dot in the middle of a constellation.
When I polar align the mount and try to slew to a deep sky object it isn't even close. I thought if my alignment was off a bit the object would at least be somewhere in my lowpower eyepiece but its like ten or fifteen degrees off.

I was hoping that since my iPad is wifi only that it was not picking up the GPS location and that was my problem but I found out last Saturday that I didn't put in the minus sign when I manually input the longitude, then corrected that problem but still was not able to use ExploreStars to slew to a Deep Sky object from the catalog.
--
Scopes - Celestron Comet Catcher, Celestron C8, AR 127 Air-Spaced Doublet
Mount - EXOS-2GT


--
Kent Marts
Customer Service
Explore Scientific

Gear: Anything in the store!


Re: Polar alignment

Bruce Bradley <landru@...>
 

Does the scope IP really matter because I ended up deleting it when I tried to follow your in instructions about manually entering a minus sign via the iPad keyboard that comes up. By the way there is no .?123 button as you can see from the screenshot i posted earlier.

When I talked to, I think it was you on the phone when I received the mount, you told me I really only needed to do a polar alignment since I was doing observation only and not imaging. Well its's been since October, went I got the scope/mount, and I haven't been able to actually use the ExploreStars app to view any deep sky objects. I only get to try to use it about once a month so that's been about six times and maybe 12 hours of frustrating adjusting, slewing realigning, and scratching my head. I tried once, to use a two star alignment but wasn't exactly sure what star it wanted me to use. There was just a red dot in the middle of a constellation.
When I polar align the mount and try to slew to a deep sky object it isn't even close. I thought if my alignment was off a bit the object would at least be somewhere in my lowpower eyepiece but its like ten or fifteen degrees off.

I was hoping that since my iPad is wifi only that it was not picking up the GPS location and that was my problem but I found out last Saturday that I didn't put in the minus sign when I manually input the longitude, then corrected that problem but still was not able to use ExploreStars to slew to a Deep Sky object from the catalog.
--
Scopes - Celestron Comet Catcher, Celestron C8, AR 127 Air-Spaced Doublet
Mount - EXOS-2GT


Re: Polar alignment

Kent Marts- Explore Scientific Customer Service
 

I failed to attach the screen shot.

 

kent

 

From: MAIN@ESPMC-Eight.groups.io <MAIN@ESPMC-Eight.groups.io> On Behalf Of Kent Marts Explore Scientific Customer Service via groups.io
Sent: Tuesday, April 14, 2020 12:48 PM
To: MAIN@ESPMC-Eight.groups.io
Subject: Re: [ESPMC-Eight] Polar alignment

 

Bruce,


My iPad will load longitude and latitude without being connected to cellular or wifi.

And it has a minus sign to denote longitude west of the prime meridian. That minus sign is absolutely necessary. If you have to type it in, tap the button .?123 -- then tap the key that is (was) the x.

If you can't get the GPS to load, here's some guidance on things to try.

If the “Location Services” or “Share my Location” settings on your Apple iPhone, iPad or iPod Touch seems grayed out and you cannot make changes to it, you may have accidentally set a restriction on it. ... Make sure “Allow Changes“ is checked and “Location Services” is set to “On

OR

Find which apps use your phone's location

1.      Open your phone's Settings app.

2.      Tap Location. App permission. ...

3.      Under ”Allowed all the time" and “Allowed only while in use,” view the apps that can use your phone's location.

4.      To change the app's permissions, tap it, then choose the location access for the app


OR


TURN LOCATION SERVICES ON/OFF

1     From a Home screen, navigate: Settings Settings icon > Privacy.

2    Tap Location Services.

3    Tap the Location Services switch to turn on Switch On or off Switch Off.

4     If location services are turned on, tap the desired location service (Maps, Weather, Find iPhone, etc.).

Note The location service gives you a choice of when to use and is enabled when a checkmark is present (options may vary with app):

·           Never

·         While Using the App

·         Always

5     Tap Back icon Location Services (upper-left).

6     Tap System Services.

7     Tap the desired system service switches to turn on Switch On or off Switch Off:

Note Available options may vary based on the model.

·         Call Network Search

·         Compass Calibration

·         Emergency SOS

·         Find My iPad

·         HomeKit

·         Location-Based Alerts

·         Location-Based Apple Ads

·         Location-Based Suggestions

·         Motion Calibration & Distance

·         Setting Time Zone

·         Share My Location

·         Wi-Fi Calling

·         Wi-Fi Networking

·         Frequent Locations


Hopefully one of those items will get your GPS up and running.

I am right now writing a document on how to collimate the illuminated finder scope to the polar axis. I might get it done today. When it is done, I'll post it here.

Regarding making it easier, new technology requires new skills.

--
Kent Marts
Customer Service
Explore Scientific

Gear: Anything in the store!


--
Kent Marts
Customer Service
Explore Scientific

Gear: Anything in the store!


Re: Polar alignment

Kent Marts- Explore Scientific Customer Service
 

Bruce,


My iPad will load longitude and latitude without being connected to cellular or wifi.

And it has a minus sign to denote longitude west of the prime meridian. That minus sign is absolutely necessary. If you have to type it in, tap the button .?123 -- then tap the key that is (was) the x.

If you can't get the GPS to load, here's some guidance on things to try.

If the “Location Services” or “Share my Location” settings on your Apple iPhone, iPad or iPod Touch seems grayed out and you cannot make changes to it, you may have accidentally set a restriction on it. ... Make sure “Allow Changes“ is checked and “Location Services” is set to “On

OR

Find which apps use your phone's location
  1. Open your phone's Settings app.
  2. Tap Location. App permission. ...
  3. Under ”Allowed all the time" and “Allowed only while in use,” view the apps that can use your phone's location.
  4. To change the app's permissions, tap it, then choose the location access for the app


OR


TURN LOCATION SERVICES ON/OFF

1     From a Home screen, navigate: Settings Settings icon > Privacy.

2    Tap Location Services.

3    Tap the Location Services switch to turn on Switch On or off Switch Off.

4     If location services are turned on, tap the desired location service (Maps, Weather, Find iPhone, etc.).

Note The location service gives you a choice of when to use and is enabled when a checkmark is present (options may vary with app):

·           Never

·         While Using the App

·         Always

5     Tap Back icon Location Services (upper-left).

6     Tap System Services.

7     Tap the desired system service switches to turn on Switch On or off Switch Off:

Note Available options may vary based on the model.

·         Call Network Search

·         Compass Calibration

·         Emergency SOS

·         Find My iPad

·         HomeKit

·         Location-Based Alerts

·         Location-Based Apple Ads

·         Location-Based Suggestions

·         Motion Calibration & Distance

·         Setting Time Zone

·         Share My Location

·         Wi-Fi Calling

·         Wi-Fi Networking

·         Frequent Locations


Hopefully one of those items will get your GPS up and running.

I am right now writing a document on how to collimate the illuminated finder scope to the polar axis. I might get it done today. When it is done, I'll post it here.

Regarding making it easier, new technology requires new skills.

--
Kent Marts
Customer Service
Explore Scientific

Gear: Anything in the store!


Re: Polar alignment

Bruce Bradley <landru@...>
 

I observe about 40 miles from my home and no WiFi except for the PMC8 network. The longitude and and latitude data is saved from when my iPad was connected to my home network but is off by a good amount. So I use a GPS app on my iPhone to input the correct coordinates.




On Tue, Apr 14, 2020 at 12:38 PM -0400, "Jed Fish" <jed.fish@...> wrote:

FWIW, I use ExStars on an iPad, WiFi only.

I have no problem using the “Load GPS...” button to load my location each time I observe. In fact, sitting on my couch just now reading this discussion and wondering, I shut off WiFi on the device, opened ExStars, hit the button and saw the last couple of the 12 digits to the right of the longitude decimal change. I’m about 100 yards east from where I observed last night.  
--
Jed Fish
ES ED102
iExos100


--
Scopes - Celestron Comet Catcher, Celestron C8, AR 127 Air-Spaced Doublet
Mount - EXOS-2GT


Re: Polar alignment

Jed Fish
 

FWIW, I use ExStars on an iPad, WiFi only.

I have no problem using the “Load GPS...” button to load my location each time I observe. In fact, sitting on my couch just now reading this discussion and wondering, I shut off WiFi on the device, opened ExStars, hit the button and saw the last couple of the 12 digits to the right of the longitude decimal change. I’m about 100 yards east from where I observed last night.  
--
Jed Fish
ES ED102
iExos100


Re: Polar alignment

Bruce Bradley <landru@...>
 

Thanks Harry, I use an app on mi iPhone also to put in the coordinates on my iPad. But as I said the screen to enter the coordinates on ExploreStars does not in crude a minus signal. I only included this info for the Explore Scientific folks. Screen shot included

On Apr 14, 2020, at 8:40 AM, Harry via groups.io <flykai1=icloud.com@groups.io> wrote:

Hi Bruce, I use both an iPad (with cellular), and a Fire HD8 (wifi only). I believe you are correct that a wifi only cannot determine or display GPS data that ExploreStars requires. However, when I am outside (no cellular) with my  HD8, I do this:

Determine my GPS position independently using a GPS app on my IPhone. These are : My GPS Coordinates, or the app GPS Coordinates. Just make sure the display is in decimals, and not degrees.
I then retype this data, (to about 5 or 6 decimal places) in to the Lat/Long fields in ExploreStars. I include the minus 
sign for Long and it accepts the data. I do NOT push the “Load GPS Coordinates “ button. I then verify the other entries are correct and I’m on my way.

It seems to work fine for me.

Harry


--
Harry
Vero Beach, FL
Scopes: ES  ED80CF, ES AR102,  Meade ETX 90 EC (Deforked)
Mounts: ES iExos 100-PMC Eight, ExploreStars IPAD & Fire HD8, Explore FirstLight EXOS Nano
Nikon D600, D5500


--
Scopes - Celestron Comet Catcher, Celestron C8, AR 127 Air-Spaced Doublet
Mount - EXOS-2GT


Re: IExos-100 Polar Alignment Tunnel Question

Chris Tardif
 

Here is how I "polar aligned" my 100 last week...it worked like a charm.  Granted I was using a 70-200 lens set at 70  lens but it worked well.



--
Mounts: Explore Scientific IEXOS-100 w Celestron CG5 tripod, iOptron CEM 40
Scopes: Explore Scientific FCD-100 ED-102CF, Various Canon lenses, ZWO mini-guidescope, StarField 60mm guide-scope.
CameraASI120MM Mini (mono), Altair GPCAM 130
Control PC: Intel NUC
Loc: 44 -79


Re: Polar alignment

Harry
 

Hi Bruce, I use both an iPad (with cellular), and a Fire HD8 (wifi only). I believe you are correct that a wifi only cannot determine or display GPS data that ExploreStars requires. However, when I am outside (no cellular) with my  HD8, I do this:

Determine my GPS position independently using a GPS app on my IPhone. These are : My GPS Coordinates, or the app GPS Coordinates. Just make sure the display is in decimals, and not degrees.
I then retype this data, (to about 5 or 6 decimal places) in to the Lat/Long fields in ExploreStars. I include the minus 
sign for Long and it accepts the data. I do NOT push the “Load GPS Coordinates “ button. I then verify the other entries are correct and I’m on my way.

It seems to work fine for me.

Harry


--
Harry
Vero Beach, FL
Scopes: ES  ED80CF, ES AR102,  Meade ETX 90 EC (Deforked)
Mounts: ES iExos 100-PMC Eight, ExploreStars IPAD & Fire HD8, Explore FirstLight EXOS Nano
Nikon D600, D5500


Re: IExos-100 Polar Alignment Tunnel Question

Wes Mcdonald
 

Hey George, that’s one of those questions. The answer is maybe, probably. Many mounts have this arrangement, although many don’t. The Exos2-GT Pmc8 works as you ask. So someone designed the 100 the way it is. So it is.

But it is not totally stupid. By rotating the scope in dec to 90, it moves the scope out of the way so you don’t have to worry about banging your head on it. So you have that going for you.

Why is the sky blue? Why is there air? Why do we exist? And why turn the scope to 90 to see through the RA tunnel? All questions of the same ilk. It’s beyond human ken.

Wes


--
Wes, Southport NC
PMC-8, ES ED 127, 10" LX200GPS, Astro-Tech 8" Newt, ETX-90
Polemaster, Orion ST-80 and SAG
Electrical Engineer, Retired

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