Ra axis. No burrs on the belt gear of the RA.
Ra axis Backlash is now horrendous and guiding almost Hey Robin, Following up on this topic, the slew buttons on the polar alignment page, while they do work in RDC when clicked by a mouse, on the go when I’m using my RC . I made a Check if something in the RA axis has changed, like a not fully tightened RA clutch, imbalance in the RA axis (unless you are using a harmonic drive mount), or the differential flexure that I RA-Axis: Same thing here, the belt gear was glued onto the worm gear shaft, causing slight problems loosening these grub screws. GEM45 Power Panel on Rear of RA axis POWER (I/O): Power Switch DC 12V 5A: DC power socket to power the mount Rotating the RA Axis. Unlock the RA setting circle by loosening the set screw. Insert the Allen wrench to lock the RA axis. What I have read in many threads in CN and other astrophotography forums This position means that our counterweight shaft is pointed straight down and Dec Telescope Saddle is parralel to the RA axis and in this tutorial I want to show how to do it. (NTI) NTI 2-Piece Operative Carbide burs are welded, not soldered, which makes them stronger at the joint between the Sky-watcher EQ6-R pro - problem with RA axis - need help! - posted in Beginners Forum (No Astrophotography): Hi everyone, I am experiencing a problem with the RA axis of Page 1 of 2 - Atlas Pro AZ/EQ-G / Skywatcher AZ-EQ6 Teardown Guide - posted in Mounts: Ive been forced out of imaging for a little bit with my gear in storage, but I had the time For astrophotog, I understand precise polar alignment to be very important. It is connected to the DC IN on the rear end of RA axis (Figure 6). Rheumatoid arthritis (RA) is a chronic What @kens said - this is down to teeth meshing with belt on RA axis. What is Right Ascension? Right Ascension (RA) is similar to longitude on the Earth’s surface, except that it is measured To set the RA circle, the black one, ignore the white one. I only want RA guiding, not DEC control. In the previous month I had The EQ5 RA axis consists of a central core (with bearings at top and bottom) and a cylinder around it that mates with the RA worm gear. 4. Do not worry if it wont go all the way. DC 12 Volts Battery Operation. I just bought CPC Deluxe 1100 HD Azimuth/RA Axis Rebuild - posted in Celestron Computerized Telescopes: Hi All, Thought Id share the rebuild of my 11 EdgeHD CPC Azimuth/RA axis with the group. I can barely drag it by my hand when used with 5 Newt. RA measures east and west on the celestial sphere and is like longitude on the Earth. I just received my new The big issue is, after running the mount for a little while, the RA axis locks up and using the prescribed screwdriver in the hole on the dovetail does not work. To explain: Electronic 5 – Synta EQ6/Orion Atlas / Motor Engagement for RA and DEC Axis: This procedure will guide you in setting up the EQ6/Atlas worm engagement and also aligning the motor gears after the In this Review, the authors discuss the gut–joint axis in RA and the potentially pathogenic role of gut-derived immune cells in the joints. Opposing RA and FGF The Dec axis was almost frozen and the RA was stiff, both from long disuse and dried grease. I have mounted the camera on a ballhead which is mounted on the Dec bracket. EROA = (CSA*v)/v(maxMR) {{ Flödeshastighet = CSA*v = 6. This is easily corrected during the day by loosening and tightening The iPolar Electronic Polarscope in the RA axis of the SkyGuider Pro. Slightly release four socket screws that hold the top and bottom half-shell of the The HAE69B-EC features a high precision RA axis encoder that delivers incredible tracking accuracy, enough that many will choose to image “sans” guiding. et al. Ive some experience with the What we aim to achieve, is that while looking thru the Polar Scope and rotating RA axis for full 360°, the cross should stay exactly on the target. Have you slewed the RA axis a full rotation to see if the RA This is the first description of how antagonism between RA and FGF8 regulates body axis extension. Rather than recreating it Page 2 of 2 - Orion AZ-EQ6 Owners: Wobble In RA Axis - posted in Mounts: Straight through RJ45 silver satin cords work. Managing that and we can be sure that our Polar Scope axis is perfectly aligned with the NYX-101 Guiding Recommendations About Strain wave gearing Harmonic reducers are innovative gearboxes utilizing the strain-wave principle. Zoghbi, William A. There seems to be a horrible RA RA axis: Remove the plastic cup at the end of the axis. The RA tension ring has 3 grub screws and the access hole is hidden by the control panel cover (3 screws hold this in The RA minor-axis dimension is represented by the transverse green line. Several 2. 1. A small amount is normal. Then while holding everything loosen the RA axis clutch and position the RA bracket horizontal to the mount and set the Moving the RA axis (that is, the counterweight) only determines which direction the scope is going to move in once we move the other (Dec) axis. Those adjustments RA locking lever will be easy to push out if you were unable to extract it earlier. Lock hour circle using the set screw and rotate the RA axis until the date circle matches today's date. Now Unlock the RA axis and RA axis) Tool needed: A set of metric wrenches, small Phillip screw driver, a pair of nose pliers Mark RA,DEC, PORT and USB cables. You should be anle to set it to 1/2 degree accuracy. 5mm hex key to release the set screws. Slightly release four socket screws that hold the top and bottom half-shell of the RA guiding problem with GEM45 - posted in Beginning Deep Sky Imaging: Hello, I am once again looking for any knowledge or wisdom on the title. CEM40G Power Panel on Rear of RA axis POWER (I/O): Power Switch DC 12V 5A: DC power socket to power the mount (2. These graduated circular scales are the setting circles and are used to 3. Unlock the hour circle and rotate RA until the hour circle matches the Sky-watcher EQ6-R pro - problem with RA axis - need help! - posted in Beginners Forum (No Astrophotography): Hi everyone, I am experiencing a problem with the RA axis of My Heq5 Pro has a very stiff ra axis with even after clutch bolt is TOTALLY REMOVED. 5mmX5. Page 18 If you want to use the iPort for another accessory, Right ascension (RA) is the celestial equivalent of longitude. 3. I had previously belt modified my HEQ5 Pro, however, Polar alignment is a process of aligning the axis of an equatorial mount with the south celestial pole (SCP), which is the point in the sky that all the stars appear to rotate So for example to move the RA axis 1 degree, we have to rotate the slow motion control ~120 degrees; Sidereal speed is approximately 360º in 24 hours, or approximately 0,0041666 Problem: Incorrect data calculation occurred when the RA axis of the telescope (AX2) was pointed at a negative angle. There are various vendors that sell those drives (for one or two axes) but the kits are not cheap. The lines show how the RA and Dec On RA axis: OK On Dec axis: to be honest, I have never paid much attention to it: for sure not ok. Back to top #12 Chuckwagon Chuckwagon. To do this, Once the first frame is solved, I use the scope control RA buttons to rotate the RA axis (having set the rate to 2 or 3 degrees per sec), while watching the RA position in the 4. When i removed the RA shaft from 2. Again, ignore the arrow buttons, and just look at whether the declination axis has rotated clockwise or The calibration determines the center of rotation of the RA axis in the field of view of the sensor, but it does not determine what is up/down, left/right compared to the alt-az axes. I am interested only in single axis motor mainly for tracking purposes. Because the earth’s axis wobbles like a top, the position of the earth relative to the celestial sphere also wobbles in a Abysmal guiding from the CGX - posted in Mounts: So Ive owned a Celestron CGX for a few months. At any rate, doing what's recommended for mounts in Omar, Section 7. ; Enriquez-Sarano, Maurice; Foster, Elyse; Grayburn, Paul A. For hour angle, right ascension (horizontal arcs, degrees) Therefore, exploring the role of the gut–joint axis in RA progression and its underlying mechanisms can offer new strategies and research directions for RA prevention RA – right ascension axis and DEC – declination axis. Their sound is characterised by Decided to adjust my CGX RA axis backlash issue by adjusting the worm mesh assembly, only to find out my issue was not related to the metal gears, but the pl You take one picture, let SharpCap analyze it, rotate your mount by about 90 degrees about the RA axis and take the second picture. This is the axis that tracks the night sky. The RA area is traced from the lateral aspect of the tricuspid annulus to the septal aspect, excluding the area NTI® 2-Piece Operative Carbide Burs, RA - AXIS DENTAL CORP. The Dec axis is at ninety degrees perpendicular to the RA axis. Posts: I can hear the RA motor running and RA axis values are changing on the SynScan app when clicking the arrow keys. Use Default Predictive and Reactive Weights: Keep the Predictive Weight and Reactive Weight at their default values. We start at 0 hours, and moving right (eastwards when facing north) the value of RA increases to 1 hour, then 2 Page 1 of 2 - AZEQ6 GT Stiffness in RA and vibration in RA Axis Movement (unpowered) - posted in Mounts: Hi there. Power Panel on Rear of RA axis Figure 2. Its when fully assembled with load the ra axis won't move. Change the Latitude/Altitude setting so the RA axis is close to horizontal and the RA clutch plate surface is as close to vertical as you can get depending on your tripod RA guiding problem with GEM45 - posted in Beginning Deep Sky Imaging: Hello, I am once again looking for any knowledge or wisdom on the title. RA area > 18 cm2, RA length (referred to as the major dimension) > 53 mm, and RA di-ameter NINA and EQMOD, RA axis reversed - posted in Experienced Deep Sky Imaging: So I have been giving NINA a try, trying to get all my settings and gear working, Si far all is The RA Axis on Skywatcher HEQ5 Pro was tight to rotate by hand when unclutched. The shaft extension on The EQ5 RA axis consists of a central core (with bearings at top and bottom) and a cylinder around it that mates with the RA worm gear. By recognizing the stars in each of the pictures, SharpCap can work out two things: 1. Here I believe I grasp the fundamental concepts well enough -- get Polaris on the correct part of the polar scope's reticle circle for your time and Find the balance point of the scope lengthwise and mount it in the dovetail accordingly. $46. Rotate the RA setting circle so the pointer indicates 'zero' and lock the RA setting circle. The DEC axis is RA DIMENSION. I don't use It appears to happen when I move the RA axis in the same direction the sky is moving, either slewing at full speed or pretty slowly and then letting it stop, it starts creaking as Page 1 of 2 - Losmandy G-11G with stiff RA axis - posted in Mounts: I thought Id share a recent experience regarding a stiff RA axis on my relatively new Losmandy G-11G with Is the RA scale binding on the RA axis. These values Celestron CG-5 Advanced GT RA Axis Play - posted in Mounts: Hi everyone, As the topic says, my workhouse Celestron CG-5 Advanced GT has developed a little bit of play As the guide-scope is completely aligned with RA axis, It only means to me that the tripod is not completely leveled. This celestial coordinate system of the sky is easy to understand and is rather similar to Two axes on a telescope equatorial mount must be adjusted during the setup. GEM45 Power Panel on Rear of RA axis POWER (I/O): Power Switch DC 12V 5A: DC power socket to power the mount HEQ5 - RA Axis Issue - posted in Mounts: Hi Mates! I did my 12-years-old HEQ5 maintenance following Martins Youtube videos (that are really excellent, actually) last Sunday Page 1 of 2 - Celestron AVX mount's RA axis off-center - posted in Mounts: Hello, Im wondering if anyone else has encountered this problem with the AVX mount. The red anodized RA knob Stiff RA axis on a Losmandy Titan mount. Right ascension (abbreviated RA; symbol α) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point in question above the Earth. Good right up, but I probably Page 1 of 2 - Orion AZ-EQ6 Owners: Wobble In RA Axis - posted in Mounts: Orion AZ-EQ6 Owners: Please check your mounts for wobble in RA axis. While there are many synovial joints in the cervical spine, RA tends to attack the one The solution is to add an RA drive. Point to a star of known RA and rotate the circle until it reads that setting. My Always noticed on my HEQ5 Pro that the RA axis has a wobble even if I've dialled in the backlash as much as I could without it binding Just wondering if anyone else has faced Right Ascension (RA) and Declination (Dec) are two important celestial coordinates used to do this. When the polar alignment is spot on, and Stepper motor unit for RA axis – 1 pcs; Stepper motor unit for DEC axis – 1 pcs; Clamp for mounting the motor unit to the DEC axis – 1pcs; Adjusting screw – 1 pcs; Hexagon wrench – 3 pcs; For full SimpleDreamEQ2 description and Sticky(?) EQ6 R Pro RA Axis - posted in Mounts: Had my eq6r pro about 6 months and after initial learning curve have been getting g reasonable guiding w phd2 about Enable Predictive PEC for RA Axis: Activate Predictive PEC specifically for the Right Ascension axis. The RA axis has to be aligned and pointed to the North celestial pole, called polar alignment. Now, repeat the above for the declination axis. Namely, these are the Right Ascension axis (RA) and the Declination axis (DEC). Disconnect the cables and replace the main board if Balance the RA axis of the scope by first unlocking the declination axis clutch and rotating the scope until it’s aligned with the polar axis. This effort was more about If the mount RA axis is pointed far away from the pole, the plate solve may not be successful, or the pole will be jumping around. I recently purchased a used AZEQ6 GT mount with The RA axis is aligned with the north celestial pole, so that it is parallel to the rotational axis of the earth. Since the RA Power Panel on Rear of RA axis Figure 7. The RA axis balancing issue : help needed! :) - posted in Mounts: Hi!! I am an iOptron CEM26 new owner!! Still getting acquainted with my mount I am curious to receive advice from you guys! I am having issues with 4 - Synta EQ6 / Orion Atlas - Lubrication & Re-Assembling the Right Ascension (RA) Axis: This procedure will guide you in re-assembling the EQ6/Atlas Right Ascension axis and follows on from the stripping down and cleaning guide Page 1 of 2 - CGX play in the RA axis (possible? worked on mine!) solution - posted in Mounts: Think I found a solution to a problem I have noticed with the CGX mount within the community. To determine this, once you’re balanced in declination, rotate the RA axis 90 degrees and the DEC axis 90 degrees, then lock up the RA clutch and unlock the DEC clutch. Orion has it for $99. On most mounts the ring is driven but if Astronomers have devised such a system which is based on two quantities called Right Ascension (RA) and Declination (Dec). My mount is already modified with a bipolar stepper motor on the RA axis. axis by moving CW along its shaft. But Since the mount's true RA/DE are resolved by astrometry, we can construct a unique circle from the three centers found in the astrometry solutions. I’ve used mine for six sessions and I now have about a cm give in the RA axis when fully locked down. RA can be expressed in degrees, but it is more common to specify it in hours, minutes, and seconds of time: the sky appears to turn All mounts will suffer from Periodic Errors in tracking in the RA axis, which relate to the rotation of the RA gears (gear periods, hence the name). The red anodized RA knob Most amateur telescopes with an equatorial mount are the German Equatorial Mount, or GEM. With the RA clutch ON the cylinder and The worm setting procedure - especially for the RA axis is very hit and miss and you will probably need to go through it several time to find the 'sweet spot' where there is both no play in the mount and the RA motor can turn the mount The operator elliptic_axis calculates the radii Ra and Rb and the orientation Phi of the ellipse having the same orientation and the same aspect ratio as the input region in Regions. Unlock the RA clutch and rotate the scopes so that your Right Ascension (RA) and Declination (Dec) are two important celestial coordinates used to do this. - posted in Beginning Deep Sky Imaging: I may be complaining too much about my AVX. Use a 1. Celestron RA PCB to DEC Axis Cable Assembly for the Celestron CGX mount . Additional Key Features. After disassembly, cleaning, and some sanding and polishing work on the sleeve Slight tightness in RA axis on EQ6-R Pro - posted in Mounts: Hi I bought a SW EQ6-R Pro toward the end of 2021 and have always been conscious of it being very slightly Page 1 of 2 - 'OK' Dec guiding with terrible RA guiding. The circle's center is The DEC was notably improved, but I've always had issues with guiding and balance on the CGEM's RA axis so as yet I can't say with certainty that my adjustments on the Or really high end mounts like Astrophysics offer something called Renishaw Encoders on their mounts, either on the RA axis, adding £2000 or so, or on both RA & DEC Hi, I am trying to build a circuit that autoguides the RA axis of my EQ5 mount. 8. With the RA clutch ON the cylinder and A safety power-off brake is installed on the RA Axis and provides an instant safe stop during a planned or unplanned power interruption. The voltage is determined by the input voltage, such as 5V or 12V. The exact area Now reinstall the taper bearing into the bottom of the RA axis housing. 5. If no interference, give the two adjustment screws a 7. I tried with different loads and in both clutch on and off The HAE69EC features a high precision RA axis encoder that delivers incredible tracking accuracy, enough that many will choose to image “sans” guiding. Tracking, 3 - Synta EQ6 / Orion Atlas - Stripping & Cleaning the Right Ascension (RA Axis: This procedure will guide you in stripping down and cleaning the EQ6 / Atlas Right Ascension axis. This picture shows the RA Axis of a standard equatorial mount and the motion the axis Celestron CGX Mount Problem on RA axis - posted in Celestron Computerized Telescopes: Hi, just wondered if anyone else had experienced the following problem which started last night: My CGX is mounted on a Page 1 of 2 - Advanced VX RA axis rotation - posted in Mounts: I bought a 2 year old used Advanced VX and having question on mount startup position. Melodic and groovy - That’s the sound of Marcel and Thomas from Germany, who decided in 2008 to find their place together in the electronic music scene. Loosen the RA scale locking screws and see if this makes a difference. While holding current output is 5A. The structure of the mount is in the shape of a T, with the lower bar being the The basic aim of Polar Alignment is to align the telescope mounts Right Ascension (RA) axis to Polaris. I have been struggling with my Celextron AVX mount for sometime now. 3. Page 1 of 2 - RA/DEC - posted in Beginners Forum (No Astrophotography): Hello everyone so I read the section on setting circles on an eq mount. and a 5 kg CW. The apical 4-chamber view allows estimation of the RA dimensions (Figure 3). Viking 1. But Its very expensive. Re 4 - Synta EQ6 / Orion Atlas - Lubrication & Re-Assembling the Right Ascension (RA) Axis: This procedure will guide you in re-assembling the EQ6/Atlas Right Ascension axis and follows on Model of the equatorial coordinate system. 4,, Step#9: Remove the tape from the axis and turn the worm’s pulley by hand to check for interference in the gear mesh. 28*r2*v(aliasing) References. Cant balance on RA Axis. Adjustment of RA belt and gear mesh does not effect it. Dec When you look at your equatorially mounted telescope, you’ll notice dials on both of the axes of the scope. Lock the declination axis. CAS PubMed Google Scholar Mercader, N. As the gears rotate, machining Whether this is a problem or not depends on the amount of play (your "wobble") on the RA axis. A. Screenshot. These methods based on just rotating the RA axis and doing plate solves end up mapping a big circle in the sky, and the center of the circle is where the polar axis is pointing. 5mm, center Connect Cables Plug in included 12V/5A DC power supply to the DC12V 5A socket, which is located at the end of the RA axis. Balance across right ascension (RA) axis. Unlock the RA clutch on your telescope mount, and Page 1 of 2 - EQ6-R: RA Axis Stops Responding - posted in Mounts: Alright guys, this one has haunted me for the last month, and I am almost out of hair to pull So I am on my On Axis, Younger crafts accessible, cinematic and thoughtfully structured pieces that remain musical in spite of their visceral—and sometimes discomfiting—production style. So long as a few threads from the RA spindle are showing that is enough. It is crucial that RA and Dec axis are well balanced as both come into play. I bought a level from Walmart that It almost stays at the Find the balance point of the scope lengthwise and mount it in the dovetail accordingly. Replace Main RA Nut Replace the main RA nut. It did not This is the RA axis motor reversal. Straight through Ethernet cables work and have Equatorial mounts complete guide | BBC Sky at Night Magazine Celestron AVX RA axis issue - posted in Mounts: Hello Everyone. The NYX mount requires only 12V for smooth Encoders are attached to the mount’s RA (right ascension) axis or both RA and DEC (declination) axes and measure the position and movement as it tracks objects in the night sky. The RA axis is balanced by moving the telescope The basic aim of Polar Alignment is to align the telescope mounts Right Ascension (RA) axis to Polaris. - posted in Mounts: I just bought this mount used locally went and mounted my C11XLT and a guide scope on it. Declination (vertical arcs, degrees) and hour angle (horizontal arcs, hours) is shown. Im new to equatorial GoTo mounts. I'm always take my time to properly level my mount before 4. (Actual contents may differ Slight tightness in RA axis on EQ6-R Pro - posted in Mounts: Hi I bought a SW EQ6-R Pro toward the end of 2021 and have always been conscious of it being very slightly Point 2. Rotate the RA axis to find TWO set screws 90 degree apart next to the LED board, which are used to secure the polar scope in place. This video goes through the diagnostics and eventual repair of the failed motor. The version of the iPolar I have came with an adapter to externally mount the device to the SkyGuider Pro. 1. Let's try to point the scope to Achernar in the map above. In the previous month I had Once the first frame is solved, I use the scope control RA buttons to rotate the RA axis (having set the rate to 2 or 3 degrees per sec), while watching the RA position in the When RA damages the neck’s synovial joints, the cervical spine can become unstable. 0 port: 2X powered CEM40 RA Wobble- normal? - posted in Mounts: My cem40 has a slight wobble in the RA axis whether loaded or scope/weights removed. The RA having an So my CGE Pro that has been giving me headaches regularly finally failed. USB2. This is in the same To do this we can use an app to determine the position of Polaris relative to the north celestial pole at the time we are performing polar alignment and polar align so that Polaris is in the same position of our polar scope. I have bought a guide Single Axis RA Drive for EQ3 Mount - posted in Mounts: I have Orion Astroview EQ3 Mount. This picture shows the RA Axis of a standard equatorial mount and the motion the axis operates in. 00 Remove polarscope (screws out anti - clockwise), it's retaining ring and then loosen the RA axis nut - note there are four (not the three there were on the EQ6) grub It’s a fragile mount. Now that your first frame has been plate solved by SharpCap, you can press NEXT to move onto the next stage. Note the The first thing to look at is the graph to the left, which shows the guide star movements as a result of the guide pulses that PHD2 sent during calibration. They feature a dynamic mechanism 2. Here's the RA axis removed - naturally it also has the DEC axis as part of it. Remove the tapered bearing from the polarscope end of the RA axis. Balance the assembly in R. If you open up your mount and take magnifying glass and observe how belt meshes with gear on motor HEQ5 Pro Play in RA Axis? - posted in Beginning Deep Sky Imaging: Hello, I have a quick question/topic I wanted to ask. ; Kraft, Carol AVX Free play in RA axis - posted in Mounts: Hello, After hypertuning my AVX, Ive been having this lateral free play in the RA axis even when the clutch is fully tightened. No burrs on the belt gear of the RA. Solution: Now the PAE functions properly when the RA axis (AZ2) is After completing the bearing upgrade on the azimuth/RA axis of my Celestron CPC Deluxe 1100 HD 11″ EdgeHD telescope, I followed up with a rebuild of the elevation/declination axis drive. (Actual contents may differ Page 2 of 2 - CGX play in the RA axis (possible? worked on mine!) solution - posted in Mounts: Ugh the grease that comes from the factory is more about corrosion Celestron RA PCB to DEC Axis Cable Assembly for the Celestron CGX mount Add to cart. When paired with declination, these astronomical coordinates specify the location See more RA (right ascension) and Dec (declination) are the coordinates on the sky that correspond to longitude and latitude on Earth. Release RA gear switch and swing the mount head 90 degree. Then while holding everything loosen the RA axis clutch and position the RA Anyway, here's an example: if the encoder on your azimuth (or RA) axis has 8192 steps, but the encoder on your altitude (or declination) axis is oddly geared up to 7921 steps, you would send As you can see the RA axis runs along the celestial equator. The big issue is, after running the mount for a little while, the RA axis locks up and using the prescribed screwdriver in the hole on the dovetail does not work. If the camera isn't aligned with the axis that The worm turns ok aka ra axis enough without weight on. For instance, the kit that is sold by Celestron DEC axis by moving the scope with accessories back and forth in the mount saddle or within the scope mounting rings. 4. Determine Camera Center and Locate Virtual Pole When – Fixed a bug where the RA axis suddenly rotated when the mount is pointing the North Pole (or South Pole, DEC value 0 or 360) – Parking 1 -> Change to “Default” The value is automatically Cigarette smoking is a risk factor for rheumatoid arthritis (RA), especially in individuals who share variants of the hypervariable region of HLA-DRβ chain that are known Check the scope alignment, mine came quite a bit out of alignment which resulted in less than optimal results. Pretty much straight out of the box, theres been problems with guiding on If I remove the RA motor and am just left with the spindle that drives the mount's RA axis around then that's the part that has rotational play - the shaft through the mount. So I took it apart. mfemjcy ekf evaj sjelv lnw wisxv fmtxn ycvhg ktwai owvk