new mount ,using sitech, horizon limit and star alighnment

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yobbo89
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new mount ,using sitech, horizon limit and star alighnment

#1

Post by yobbo89 » Sun Dec 15, 2019 12:36 pm

I have my new mount, mesu 200v2 setup and connected to the pc and is sending commands, but i'm getting a error with below horizon limit , my settings are so far correct with my lat long, i think my scope is facing the wrong direction or something, i guess only very few here use sitech, sky view blinks rapidly and the crossair of where the mount is nowhere to be seen, but i can slew it and after awhile it will show and i set it to park position ie south and do a star alignment at the park position but it still gives me below horizon limit..

any ideas ?
scopes :gso/bintel f4 12"trust tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/ (upcoming : mesu 200 v2)
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, Thousand Oaks Solar Filter.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel
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#2

Post by UlteriorModem » Sun Dec 15, 2019 1:58 pm

Don't know this mount but first thing I would check is the slew limits set in the hand controller.

Also check the date and time and double check the location.
Tom

Current Equipment:
Scope: 130mm APO triplet atop a CGX-L mount
Cam: ASI071mc-pro
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#3

Post by yobbo89 » Sun Dec 15, 2019 5:41 pm

I will check the date and time, the hc is very basic, all of the controll data is done via pc rs232 serial com, I know how to map the horizon slew limits but it still shows the error
.
scopes :gso/bintel f4 12"trust tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/ (upcoming : mesu 200 v2)
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, Thousand Oaks Solar Filter.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel
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#4

Post by SkyHiker » Sun Dec 15, 2019 6:30 pm

Did you use the servoConfig instructions? http://siderealtechnology.com/ServoConfig.pdf
It has instructions on how to configure the directions in which the motors move.
I was just browsing the SiTech site, not claiming any expertise here and I presume you did this already.
... Henk. :D Telescopes: 6" Mak-Newt (Comet Hunter), ES ED127CF, ES ED80, Zhumell Z12, Coulter Odyssey 10, AT6RC, Venture RX-7, Celestron Skymaster 20x80, Mounts and tripod: Losmandy G11S, AVX, LXD55, Tiltall, Cameras: Fuji X-a1, Canon SX40, Xt, XSi, T6, ELPH 100HS, DIY: Dob and camera barndoor trackers, afocal adapter, Dob with foldable base and Az/Alt setting circles, Accessories: SSAG, Plossls, Barlows, Telrad, laser collimators (Seben LK1, Z12, Howie Glatter), Cheshire, 2 Orion RACIs 8x50, Software: DSS, ImageMagick, PHD, Nebulosity, Photo Gallery, Gimp, CHDK
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#5

Post by yobbo89 » Mon Dec 16, 2019 8:44 am

Thanks for the link, I'll have a read, I emailed lucas and he sent me his sitech CONFIG file, i just have to put in my lat and long.
scopes :gso/bintel f4 12"trust tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/ (upcoming : mesu 200 v2)
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, Thousand Oaks Solar Filter.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel
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#6

Post by yobbo89 » Tue Dec 17, 2019 6:00 pm

ok i've fixed this , lucas gave me his profile and i've got it working with the newest sitech version, i was using an older one, park and unpark work and save, and moving around on the sky map works as well.

I guess this is a feature to have the scope start upside down, i think you can pick east looking west, vice versa for none meridian flips.

now i have to try and get stellarium to work and sgp.
Attachments
scope east.jpg
east sky view.jpg
scopes :gso/bintel f4 12"trust tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/ (upcoming : mesu 200 v2)
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, Thousand Oaks Solar Filter.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel
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#7

Post by UlteriorModem » Tue Dec 17, 2019 6:03 pm

Well if noting else it makes it easier to get to the mounted equipment :D
Tom

Current Equipment:
Scope: 130mm APO triplet atop a CGX-L mount
Cam: ASI071mc-pro
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#8

Post by yobbo89 » Tue Dec 17, 2019 6:49 pm

I guess I can attach a dslr or small refractor on the cw end 😂
scopes :gso/bintel f4 12"trust tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/ (upcoming : mesu 200 v2)
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, Thousand Oaks Solar Filter.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel
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#9

Post by SkyHiker » Wed Dec 18, 2019 1:15 am

It will hit the legs sooner with the scope upside down. Isn't there a better configuration? This is weird.

I just wonder, since this looks like a small one person shop in the Northern hemisphere, if a mistake was made in the configuration. I'm looking at the servoConfig manual, it says:

4. Motor Directions
a. Azimuth should go clockwise when pressing the right button on the handpad (birds eye view).
b. R/A should go clockwise when viewed from Polaris
c. Altitude should move up when the up button is pressed
d. Declination should move toward the pole when the telescope is looking on the West side of the Meridian.

5. Telescope Encoder Directions: The telescope encoder numbers should change in the same direction as the motors encoder numbers, ie increase while the motor is increasing.

In the Southern hemisphere, I think (b) should be "R/A should go counterclockwise when viewed from the SCP". About (a) I'm not so sure - for reasons of symmetry I think Az should move in the opposite direction in response to commands to the Northern hemisphere, while it does make sense to have Az go clockwise when you push the right button. How this jives with the telescope and motor encoders, I have no idea.

It's altogether confusing because for the drive, Alt=DEC and Az=RA. I would consult with SiTech because they must have customers in the Southern hemisphere.
... Henk. :D Telescopes: 6" Mak-Newt (Comet Hunter), ES ED127CF, ES ED80, Zhumell Z12, Coulter Odyssey 10, AT6RC, Venture RX-7, Celestron Skymaster 20x80, Mounts and tripod: Losmandy G11S, AVX, LXD55, Tiltall, Cameras: Fuji X-a1, Canon SX40, Xt, XSi, T6, ELPH 100HS, DIY: Dob and camera barndoor trackers, afocal adapter, Dob with foldable base and Az/Alt setting circles, Accessories: SSAG, Plossls, Barlows, Telrad, laser collimators (Seben LK1, Z12, Howie Glatter), Cheshire, 2 Orion RACIs 8x50, Software: DSS, ImageMagick, PHD, Nebulosity, Photo Gallery, Gimp, CHDK
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#10

Post by yobbo89 » Tue Jan 07, 2020 4:55 am

All done testing and it's outside, passed everything, phd Connects, stellarium works, sgpro works And it tracks satilites.just have to get it polar aligned and do the cable harness. I had to remove the eq6 from the field as there isn't enough room for all 3 mounts :)
Attachments
20200107_045216.jpg
scopes :gso/bintel f4 12"trust tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/ (upcoming : mesu 200 v2)
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, Thousand Oaks Solar Filter.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel
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#11

Post by yobbo89 » Tue Jan 07, 2020 5:13 am

SkyHiker wrote:
Wed Dec 18, 2019 1:15 am
It will hit the legs sooner with the scope upside down. Isn't there a better configuration? This is weird.

I just wonder, since this looks like a small one person shop in the Northern hemisphere, if a mistake was made in the configuration. I'm looking at the servoConfig manual, it says:

4. Motor Directions
a. Azimuth should go clockwise when pressing the right button on the handpad (birds eye view).
b. R/A should go clockwise when viewed from Polaris
c. Altitude should move up when the up button is pressed
d. Declination should move toward the pole when the telescope is looking on the West side of the Meridian.

5. Telescope Encoder Directions: The telescope encoder numbers should change in the same direction as the motors encoder numbers, ie increase while the motor is increasing.

In the Southern hemisphere, I think (b) should be "R/A should go counterclockwise when viewed from the SCP". About (a) I'm not so sure - for reasons of symmetry I think Az should move in the opposite direction in response to commands to the Northern hemisphere, while it does make sense to have Az go clockwise when you push the right button. How this jives with the telescope and motor encoders, I have no idea.

It's altogether confusing because for the drive, Alt=DEC and Az=RA. I would consult with SiTech because they must have customers in the Southern hemisphere.
I can check with lucas or dan gray ,this is his custom profile he has sent me . The mount can and is designed to do a full 360 rotation on the ra, The bend knee pillar angle is so far out that the scope clears the pillar legs . There must be a setting to change initial orientation of the scope looking east, as you can see i would get more clearance in height if it wasn't upside down which would work better trying to view over a fence or house but then again when it's finished tracking pass the meridian if it was to start tracking in a normal position while looking east , the pass meridian track would put the scope upside down and would be harder to clear any obstruction from a fence or neighbours roof while looking west , hence why it can still be handy to do a meridian flip to get a viewing height over something.

I believe that profile has been made this way, more than likely it can be change, thanks for the response on it, i should double check if i can change this setting.
scopes :gso/bintel f4 12"trust tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/ (upcoming : mesu 200 v2)
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, Thousand Oaks Solar Filter.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel
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#12

Post by yobbo89 » Tue Jan 07, 2020 5:40 am

SkyHiker wrote:
Wed Dec 18, 2019 1:15 am

In the Southern hemisphere, I think (b) should be "R/A should go counterclockwise when viewed from the SCP".
yes,The ra does go counterclockwise when viewing from the pole and looking at the mount, and it should go clockwise when viewing in the north hemisphere, i guess when you enter your lat and long that changes the motor tracking direction .
scopes :gso/bintel f4 12"trust tube, bresser messier ar127s /skywatcher 10'' dob,meade 12'' f10 lx200 sct
cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7,asi 290 mm
mounts : eq6 pro/eq8/ (upcoming : mesu 200 v2)
filters : 2'' astronomik lp/badder lrgb h-a,sII,oIII,h-b,Baader Solar Continuum, Thousand Oaks Solar Filter.
extras : skywatcher f4 aplanatic cc, Baader MPCC MKIII Coma Corrector,Orion Field Flattener,zwo 1.25''adc.starlight maxi 2" 9x filter wheel
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#13

Post by JayTee » Tue Jan 07, 2020 10:59 pm

I've been watching you all throughout the build, fantastic work.

I haven't brought this up before but I'm really nervous your tripod Pier is missing a leg....

Just wondering,
JT
Main: C-stron CPC1100 #2 Scope: 8" f/7.5 Dob mounted Newt AP Scopes: TPO 6" f/9 RC, ES 80mm f/6 APO G&G Scope: Meade 102mm f/7.8, Bresser 102mm f/4.5 Guide Scopes: 70 & 80mm fracs Mounts: C-stron AVX CGEM & GT Alt-Az, Meade DS2000 Cameras: Canon T3i (x2), ASI120MC Binos: 10X50,10.5X70,15X70 (x2), 25X100 EPs: ES: 21 100°, 30 82° X-Cels: 9, 12, 18, 25 Clubs: RCA & HAS
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