Pulse guiding vs st4 Pulse guiding is superior. Aug 28, 2014 · With both ST-4 and Pulse guiding communications are required to initiate the guiding correction - In the case of ST-4 PHD commands the camera to pulse its ST-4 outputs whilst with Pulse Guiding PHD uses the ASCOM driver to command the mount directly to either move or change its tracking rate (again diferent drivers take different approaches). If the mount can do pulse guiding, then always prefer that over ST-4 for the reasons others have stated. Given the "quality" of RJ12 connectors, I would choose pulse guiding over ST-4 any day. The ST4 cable can only be used for guiding via the driver on the camera, if that's my understanding. Der Hauptunterschied ist also- bei ST-4 betätigt das Guiding sozusagen eine der Richtungstasten für Zeit x, beim Pulsguiden erhält die Steuerung eine Anweisung und Pulse guiding. With ST-4, it's hit and miss, but PEC works superbly well when using pulse guiding. What You Need. ST-4 guiding and pulse guiding. i am after some advice, i am looking at getting a Meade LX200 ACF and guiding it using PHD2. It was required in the days before ASCOM existed, before ASCOM pulse guiding was even a thing. Can anyone tell me if pulse guiding will work on the LX200 or can it only be controlled using the ST4 CCD cable. ST-4: I need to connect my guiding camera (ZWO ASI034) to the HEQ5s autoguide input port with a cable supplied with the camera. Pulse allows for two way communication between ASCOM and the mount whereas ST4 doesn't take feedback from the mount. I • Use ASCOM or INDI∗pulse-guiding instead of ST-4 guiding if mount supports it • Get the benefits of one less cable and better logging/diagnostics • If you do use ST-4 guiding, use ASCOM for the PHD2 ‘aux mount’ connection ASCOM and INDI provide similar functionality in PHD2; INDI users can substitute INDI for Aug 19, 2018 · This tutorial assumes you will be pulse guiding and not using the ST4 cable, however you get the choice to choose this during the setup so the instructions are still mostly valid for this option. Aug 20, 2014 · Specifically, if your using EQASCOM, you actually have to use pulse guiding for the PEC curve recording and playback to really actually work. - If you wish to use ASCOM pulse guiding you would select ‘ASCOM’ from the mount menu, and choose the appropriate mount from the dialog when you press the Feb 29, 2020 · Here's a video on PHD guiding with a special mention of ST4 cables at 3min 27sec. This is May 21, 2020 · There are two ways to connect PhD2. May 10, 2017 · Direct guide or pulse guide via eqmod/ascom allows much higher guide rates but ST4 port guiding on the Skywatcher EQ5 is limited to 1x sidereal or lower only, this is the same speed as normal tracking, don't be too hasty in condeming the mount board, there may be nothing wrong with it. In PhD2, select the driver for your guide camera. Use pulseguide by connecting your computer to the serial port on the mount. ST4 and ASCOM (aka pulse) guiding. Is ST-4 more responsive than ASCOM Pulse guiding? Some instinctively believe that ST-4 guiding must deliver more responsive control than ASCOM Pulse Guiding because it is a “direct” hardware override of the mount. Back in the day I had a ST9E camera, there were three cables. In that case, there really were no options. ASCOM connects to the mount and guide camera with two suitable USB cables. The ST4 port is just four switches that connect to ground. It's not st-4 versus ascom. This is called ST-4 guiding. ST4 guiding. Jun 17, 2017 · It is through camera (which connects with a cable originally used for the early St-4 autoguider) versus Pulseguide (which usually connects with a serial cable using protocols facilitated by ascom drivers). Jun 1, 2021 · Trying to understand USB and ST4 guiding - posted in Beginning Deep Sky Imaging: Hello, I am trying to understand guiding with a usb cable instead of the ST4 cable. You connect to the hand controller with the Celestron HC serial cable (#93920) which connects to the little serial port in the base of the HC. EQMOD pulse guiding - posted in Mounts: I have previously used PHD2 regularly with my Meade LX200ACF mount. A positive in favour of pulse guiding is that it does away with the awful 'ST4 mini' cable on the Lodestar. Connect guide camera with ST-4 cable (looks like an RJ11/phone cable but *isn't*) to guide port on mount. This method of connection is called "pulse guiding" or "ASCOM guiding" The alternative is to connect the main and guide cameras as above, and connect the *guide camera* to the autoguider port via the ST-4 cable (looks like a phone cable). May 30, 2017 · Page 1 of 2 - HDX-110; PHD2 guiding & EQMOD: ST4 vs. ST4 requires an ST4 cable from the guide camera to the mount. Aug 28, 2014 · I would guess that pulse guiding is more consistent as it is applied with more precision than electronics or small relays can provide, but the difference should be marginal. quoting from page 11-12>> Do PEC and AutoGuidng fight? Running PEC and autoguiding simultaneously should, in theory, deliver the best of both worlds. Feb 5, 2019 · ST4 Guiding vs. Nov 27, 2012 · A guiding pulse simply consists of sending two rate change commands, one to move the mount at the guide rate and one to return to sidereal. Oct 5, 2016 · Yes, guiding, but if you remove the EQMod cable from the equation you'll lose mount control - slewing to target, platesolving, etc - from the ASIAIR. The PEC keeps the mount on track. It was rather straight forward. the camera itself monitors the guider and dectects movement the relays that back to the mount driver for correction. pdf. PHD2 tells the camera to send a pulse over the st4 cable between the camera and the mount. The only errors observed are non Oct 2, 2020 · ST-4 is a vestigial appendage at this point. Guidescope; USB astro camera dedicated to guiding; ASCOM controlled mount; PHD2 Guiding Software May 24, 2020 · Need some help switching from ST4 to pulse guiding - posted in Beginning Deep Sky Imaging: Hey everyone, so currently I have the EQ5 Pro Goto mount and the altair mini gp guide cam. If you have your mount connected to the computer via ascom then PHD2 can send guide pulses to the ascom driver which tells the mount to move over USB, eliminating the need for the st4 cable all together. Power, camera connection, and a ST4 for guiding. You calibrate once on or ne Mar 16, 2024 · LX200 PHD2 Pulse Guiding - posted in Meade Computerized Telescopes: Hello, I am new to this forum so sorry if this is in the wrong place. Jun 20, 2013 · - If you wish to use an ST4 cable with PHD guiding, you should select ‘On Camera’ from the PHD ‘Mount’ menu to tell it to send guide commands via the camera’s ST4 port. May 1, 2021 · Will ASCOM pulse guiding provide better guiding performance than ST-4? I am aware that the "correction instructions" sent to the mount differ on both systems, but is one better than the other? For what is worth, I haven't noticed any difference in terms of RMS. Thanks Steve Jan 12, 2024 · PEC should be in the mount because it's rate based, not pulse based, or via the ASCOM variable tracking rate command (which 90% of mounts don't support). Mit einem seriellen Kabel wird kann das Guiding-Device (Guiding Cam oder…) und Montierung verbunden. Posted 18 June 2017 - 01:32 AM. . The PulseGuide method may throw an InvalidValueException if called when an incompatible command is already underway e. 2. Klassisch ist das sog. In case you were curious, here are the phd2 reasons to use ASCOM pulse guiding. if you are guiding using Pulse guiding the software that you use monitors the guider and detects movements then issues commands the mount for corrections. ST4 Guiding. EQMOD pulse guiding - posted in Mounts: I found the relevant section in documentation for EQmod called EQASCOM_Guiding. Oct 12, 2018 · In the above scenario, NOTHING is connected to the autoguider port. As much I was able to understand, for autoguiding there are 2 options: 1. Now, most mounts, with a few noteworthy exceptions (and usually for good reason), speak pulse guiding. g. Nov 18, 2010 · Pulse guiding is a movement command sent via s/w app to the hand controller. ST-4 guiding: Connect guide camera to USB port on PC (or to powered USB hub connected to PC). • Utilisez ASCOM en Pulse-Guiding au lieu de ST4 si votre monture le permet • Vous obtiendrez les avantages d’un câble en moins et un meilleur diagnostic/journalisation • Si vous utilisez le guidage ST-4, Utilisez ASCOM pour la “Monture Aux” dans PHD2 Pulse guiding and ST4 are two different functions. Pulse Guiding. ASCOM: Connecting the computer to the HEQ5s serial port May 30, 2017 · Page 2 of 2 - HDX-110; PHD2 guiding & EQMOD: ST4 vs. a slew is in progress. The main advantage to pulse guiding is that the mount tells PHD where it's pointed so you don't have to re-calibrate every time you slew to a new target. The rate of motion for movements about the right ascension axis is specified by the GuideRateRightAscension property. Modeling has nothing to do with either ST4 or pulse guiding. It sounds like when you restarted something got out of sync in PHD2? It's been a while since I've used PHD2 but I think if you want to do ST4 guiding with it you have to select May 28, 2024 · USB (ASCOM Pulse Guiding) is preferable to ST4, the ST4 cable is redundant if you are using USB. The IsPulseGuiding property must be True during pulse-guiding. You had to use the ST-4 autoguider port on the mount from my LodestarX2 guide camera. The autoguider software specifies the interval between the commands and EQMOD does the rest. This works well for me however I wish to switch to Sep 6, 2016 · Bei ASCOM Pulse Guiding werden Steuerbefehle übertragen- Richtung und Größe der durchzuführenden Änderung, die Steuerung der Montierung führt diese Anweisung dann aus. The HC then interprets the command and formats a movement command to the motors. Dazu muss die Montierung einen ST4-Eingang (ST4-Port) haben (haben praktisch alle) und das Guiding-Device (Guiding Kamera oder…) hat einen ST4-Ausgang. Both work well, ASCOM is a bit more convenient, once setup. Jan 29, 2014 · And to make matters worse 'ST4' cables are not ST4 at all! The original ST4 used a physically different cable though presumably it established the wiring convention. Dec 13, 2020 · Two choices. I just moved to a HDX-110 and EQMOD for telescope control through CdC. Pulse guiding. Now, with a CMOS camera, there is only one cable?? The USB cable that connects to the computer gets the signal from the Nov 25, 2018 · Auto guiding with PHD2 St-4 or ASCOM? - posted in Beginning Deep Sky Imaging: So I just got my new HEQ5 and trying to rebuild my setup. At the moment I use the goto hand controller to slew to targets and the ST4 cable to connect the camera straight to the mount to then run in PHD2 for autoguiding. nsyqv fvxy igprr uby ior rcsa glnju fwaa nrsbw dnle bugni oqd elvtg fkib hfks