You can download it for free, from the Stellarium homepage. Sample video of the telescope moving: Components. In my case, I have a 600 pulses encoder and a mechanical gear ratio of 15 times. A new window will show up and the only thing you need to do it's click "Start" and... voilá! The code checks this strings and then sends, to the serial port, the corresponding string with the current right ascension (RA) and declination (DEC). Qui puoi leggere alcune informazioni aggiuntive sull'uso degli interrupt su Arduino. Correct them by switching the corresponding wires at Arduino or, simply, by changing the the code and load it again (see image). A wide range of astronomy applications are needed for successful imaging. I read your post and I’ve some question. One thing that is important to do: Set up your location, otherwise, all the coordinates will be wrong.. Would there be a high risk of error if the two axes were adjusted only with a brand? The Arduino then compares the position of the target object to the orientation of the telescope, and using LEDs on the handset indicates to the user whether the telescope must be moved up, down, left or right. If someone have the arduino code .... Hello,Great project! I think I will just rebuild the entire system from the beginning. It's a nice mount (cheap, portable and very … Your email address will not be published. The gears are here: https://www.thingiverse.com/thing:16627Can anyone point out the code modification to go from 15:1 to 720:1?Below is a pic of the inside of my base cradle. Reply Recently, I bought a 8" Newtonian telescope that came with a Dobsonian mount. We cannot get the recticle in stellarium to move no matter what we try. Tuttavia, ti guiderò su come iniziare da zero! Ideally things like Date/Time/Location would be set via the phone rather than an onboard GPS, and since I intend on mounting the phone to the eyepiece for the camera, leveling and pointing north for alignment could be automated. Jun 2, 2019 - Control Your Telescope Using Stellarium & Arduino: I am fascinated by astronomy since the first time I looked to the night sky. I just receive themIf some one have the code with these items because i dont how to implement them in the code. The original stellarium telescope interface using a socket connection for external drivers to pick up on seemed to me to be the ideal solution. Note that Stellarium supports ASCOM telescopes natively since version 0.19.3. Whilst the Arduino can happily handle all the tasks associated with running the motors and pointing the telescope, in a modern observatory the PC rules. There is a 90º lag between them. Initially, the main reason for this blog is the publication of a personal project that I believe could be interesting for astronomy amateurs. THE WORLD'S FIRST STAND ALONE ARDUINO BASED TELESCOPE CONTROL GOTO. We get the reticle named _HELLO_. That is a pulse! I took these sensors out of an old printer, and I don’t know the model nor any helpful reference. The trimmer's center pin is then connected to the Arduino's input pins. Hi Nelson,I wish I could say I have had success but it is not the case. Large reflecting telescopes can track the night sky for hours, and usually come with a computer interface and a GOTO button. To configure your telescope, follow the images above. This means, a complete telescope's turn will give 15 complete encoder's turns , so you will multiply the encoder resolution by 15! NOTE: Because I also use this box for many other purposes, there are some extra cables going around. The purpose of this project is to connect a telescope to a computer through the mount guide port (ST-4 port) using an arduino. Arduino must have configured how many pulses your encoders give by turn. Can you please tell me which Sensor have you used? Owning a small telescope can give a lot of pleasure, but it's often a struggle trying to locate specific objects in the night sky. NOTE: About the way I designed, built and attached the encoders and the wheels: You might have noticed I had some careful not to damage the telescope and the mount, as I found a way to install all the mechanical parts without drilling, gluing or doing something that could damage or loose the telescope's value. Hi Nelson,Great project. It will be the serial port that your computer associates with Arduino. They also are location dependent, as you can imagine! To tell Stellarium that actually you are perfectly on-target now, press CTRL 3 on Stellarium. Share it with us! The ST-4 Port is present on some computerized mounts and it is easy to add one to motorized mounts like the EQ3 / EQ4 / EQ5. Tested and retested encoders individually and they send number to serial port. I can use your library of coordinates in my project? This way, I believe I can prevent undesirable loads on the encoders (that can cause damages) by turning all the mechanical operation smoother. Recently, I bought a 8" Newtonian telescope that came with a Dobsonian mount. If you use a Bluetooth connection, the Stellarium Mobile Plus app for Android also works with Onstep, correctly probing for the LX200 protocol. Please reply I stuck with this. I used 5 pieces of 3mm plywood glued together to make a 16x14x5 (cm) box, as you can check from the pictures above. Required fields are marked *. I'd done a nice two star alignment, then told Stellarium to go to Panstarrs and the scope was spot on. If your timing belt have a different perimeter, you can find the circle diameter (d) doing: d=P/pi. Install the altitude wheel directly to the telescope, using the existing bolt. The pointer in Stellarium doesn't move when we move the telescope.Any ideas what we should try to troubleshoot?We have an 8 inch dob very similar to your setup so we made no changes or modifications to the code you made available. It’s may be caused by my version of Python… Have you an idea ? So that’s all for the moment :)… In the next post I’ll start with the python-Stellarium communications. I would want to know how i find the conversion of coordenites in the your  GitHub because i am with difficulties to moviment the telescope following the coordenites. The world's first standalone Arduino-based telescope control Goto. Koordinaten mag Stellarium vorgeben... als Input für die Steuerungssoftware. I’m a teatcher in a french scool and try to make a motorised dobson telescope with student. To learn more about coordinate systems, positional astronomy or LST, you can go here, here and here... Hope you are already familiar with arduino, but if you aren't, please, don't worry - there is a lot of information you can get on-line. But when I then connect the encoder to the Arduino I'm not seeing anything. Control Your Telescope Using Stellarium & Arduino: I am fascinated by astronomy since the first time I looked to the night sky. qInitResources() Control Your Telescope Using Stellarium & Arduino. Interested in stellarium and telescope goto? It's a nice mount (cheap, portable and very … Do you see it? The world's first standalone Arduino-based telescope control Goto. Control Your Telescope Using Stellarium & Arduino: I am fascinated by astronomy since the first time I looked to the night sky. At that moment it wasn’t finished, it had a red laser instead of the green one (the red line is not visible in the night sky), and lacks other important details. 7 weeks ago. All such applications talk to telescopes using the common ASCOM interface. It's a nice mount (cheap, portable and very easy to use), but to get what you want to see, you… Raspberry Pi Controlled Aquaponics. Be sure you have installed the DUE drivers (SAM boards, 32 bits) - check images above. Hi, you can start to check the log at the stellarium and see if it is receiving something.. Also you can try to make some simple debug- edit manually the values from the encoders position, maybe you can add a line that increase the count every loop. To do that, just open the code using Arduino IDE and edit (using the tab "config.h") your current location and the right ascension (AR), as well the hour angle (H) of the pole star (at the moment you connect to Stellarium). Communications between Python and Stellarium (Stellarium Telescope Protocol), https://github.com/juanrmn/Arduino-Telescope-Control/blob/master/testing/device/arduino/example/CoordsLib.h#L157-L177, Install and run Zeronet on your Raspberry Pi, Compile PHP 7 for Raspberry Pi (with memcached), Configure a DNS server with your Raspberry Pi, Convert video from x265 to x264 codecs with Raspberry Pi. Would there be any issue using an MXL belt instead of the GT2? Go to the configuration window and choose the "plugins" tab. Connect the USB cable (I'm using the programming port on Arduino). arduino cad xamarin-forms cnc cam 3d-printing fusion-360 esp8266-arduino stellarium laser-cutting esp32-arduino Please note that the Encoder 1 is the Altitude encoder and the Encoder 2 is the azimuth encoder. I'm using the version 1.6.8, but others should work as well (just in case, try not to use some older versions). At this point, you should check again if the wheels are centered and straight, by rotating the telescope around and up/down. Now that we have the wheels installed, we need to find a way to place and drive the encoders. This would work for an Arduino based solution, as well as passing commands to a properly aligned telescope via hand controller. I'm intending to have a remote backyard setup with armchair mosquito free viewing. — This paper aims to develop a cost-effective device to make a star tracking system using an Arduino DUE [6] and Stellarium [1]. Thanks for all the hints and tips. I did it with this script: https://github.com/juanrmn/Arduino-Telescope-Control/blob/master/main/python/gen.sh. If you don´t have Stellarium installed into your computer, it's time to do so! I am doing a project to meet the following needs: This is similar to GPUSB.. The initial idea was to create a cheap and … Use a compasses and do not forget to make a good mark at the circle center - you will need it! You can say: Yeah! This holes must have the same diameter as the existing bolts, so, I drilled a 6mm hole from the altitude whell and 10mm hole from the azimuth wheel. Well, you are absolutely right! It's a nice mount (cheap, portable and very … So, using the "config.h" file, set how many pulses you have by turn and then multiply by 4. All such applications talk to telescopes using the common ASCOM interface. Telescope + Raspberry Pi + Stellarium = iTelescope . It features a user friendly environment and, if you choose a recent version (version 0.13.1 or ), should already integrate the Telescope plugin, so, the only thing you need to do is activate it! The same way, use the existing bolt at the bottom of the mount and install the azimuth wheel on it. Hi Nelson!I just want to say this is a great project. Despite being not so easy to integrate with Arduino (programmed in C), these encoders are reliable, cheap (at least the ones I bought..! If you don't have the arduino IDE, you can download it freely from here. The video above shows you exactly what I have done so far. For this purpose, it's desirable that you enable some features at the "view" and "configuration" tabs, as you can see from the pictures above. Despite of involving maths, trigonometry, programming and some signal processing, don't worry, I will try not to be too extensive! Do not use this with the LX200 Classic or the Autostar I (#495/#497) controllers. LX200 protocol based computerized telescope controller using Arduino MEGA. Explore 1 projects tagged with 'stellarium and telescope goto'. I’m not sure if I understand the issue, but if so, I think the risk of errors depends on the precision of the limit sensors. That means I will have 9000 pulses by turn. Just drill a hole at each corner to screwing it. A multi platform, Arduino powered, open source, and open hardware telescope controller and PC interface. Question The laser points towards the celestial objects indicated from Stellarium, by using a stepper motors system. Multiplying this number by 4, the number I wrote was 36000, as you can see from the example above. Hobbies: Astronomy, DIY projects, Flight sports, RC planes and drones, https://www.meade.com/support/LX200CommandSet.pdf, https://www.thingiverse.com/thing:3079719. Instead a huge description on this step (and the next one), I will show you how it's done by using a video and some pictures (please, read all the comments carefully). That means I will have 9000 pulses by turn. Question Your email address will not be published. Be sure the operation is smooth, and, the most important thing, be sure that there is no slip between wheels and encoder's pulleys. 26 days ago. It's a nice mount (cheap, portable and very … THE WORLD'S FIRST STAND ALONE ARDUINO BASED TELESCOPE CONTROL GOTO. The initial idea was to create cheap and easy to build alternative of commercially available GOTO hand controllers, but in a better, feature rich way. on Step 12, HiI just bought a dobson 400 and want to install a push to with arduinoI discover this programm that looks like perfect and exactly what i wantI'm waiting to receive my encoders.I have a arduino mega 2560 R3 with clock 16bits. You might have to slightly rotate the encoder to find the "ON" position at each channel. Answer Jun 2, 2019 - Control Your Telescope Using Stellarium & Arduino: I am fascinated by astronomy since the first time I looked to the night sky. You can try to generate the icons set again with the pyrcc4 command. Radius (r) is r=d/2. 20 days ago. Recently, I bought a 8" Newtonian telescope that came with a Dobsonian mount. It's a nice mount (cheap, portable and very easy to use), but to get what you want to see, you… Raspberry Pi Controlled Aquaponics. Hi folks, Just made a video on how to use stellarium to remote control your mount. We have tried to add a serial. Date 2016-08-11 Category Project Tags Arduino Due / Perfboard “ I am fascinated by astronomy since the first time I looked to the night sky. Now that we already have the Azimuth's holder, let's build, following the same principles, the Altitude's holder. The ST-4 Port is present on some computerized mounts and it is easy to add one to motorized mounts like the EQ3 / EQ4 / EQ5. To test the encoder I have disconnected it from the breadboard and arduino. Gruß Martin . Make a tour and learn how to use it! Here you can read some extra information about using interrupts on Arduino. Once you’ve configured the reference objects, you can make transformation from Ra-Dec to Alt-Az, and also from Alt-Az to Ra-Dec. The purpose of this project is to connect a telescope to a computer through the mount guide port (ST-4 port) using an arduino. That is called a. It can cause you irreversible blindness. First I’m not a good programmer and my english is not very good so excuse me for that. Nevertheless, I will guide you how to start from scratch! 21-apr-2019 - Control Your Telescope Using Stellarium & Arduino: I am fascinated by astronomy since the first time I looked to the night sky. After everything is set up, click to upload the code (Sketch > Upload). In my case, I have a 600 pulses encoder and a mechanical gear ratio of 15 times. TypeError: qRegisterResourceData(int, str, str, str): argument 2 has unexpected type ‘str’ Click "configure telescope". I’d really like I have more time to dedicate to this project, but by now I cannot help much. After the paint dry, install the timing belt again and it´s done! It can communicate ( a two-way process ) with a smart controller to direct the mount to a target using either a LX200 protocol or the mounts Ascom driver. After you build the box, just place the Arduino and secure it with some hot glue or even some small screws. Like this, you can place and remove the wheels and encoders from your telescope and, at the end, your telescope will be exactly the same telescope you bought (except a very tiny and imperceptible 4 holes...). The telescope is a $20 Goodwill Celestron 114AZ NPF with a SV105. Stellarium is an open source project with a lot of helpful astronomy features, including a plugin that allow a connection between a computer and a telescope controller (like celestron, meade or sky-watcher). But my voltmeter doesn't seem to be sensitive enough to pick up the 0. Adapt the voltage level from the encoder (minimum voltage = 5V) to Arduino DUE (3.3V); Add a pull-up resistor (it's needed because the output from the encoders is a open collector). Use the "config.h" file to make your changes. Here are a couple pictures of our layout, perhaps you might see something that we are missing... Hi, everything looks fine. Ideally things like Date/Time/Location would be set via the phone rather than an onboard GPS, and since I intend on mounting the phone to the eyepiece for the camera, leveling and pointing north for alignment could be automated. Drill a center hole in both wheels. I ordered a DSO 138 oscilliscope and new encoders. Oct 10, 2018 - Control Your Telescope Using Stellarium & Arduino: I am fascinated by astronomy since the first time I looked to the night sky. 7 months ago. Vor kurzem kaufte ich ein 8 " Newtonsche Teleskop , das mit einer kam Dobson Berg . Reply In this project I made and integrated an Arduino-powered star-finder with a small reflecting… Really big. There’s no need to use StellariumScope in order to use your ASCOM telescopes with Stellarium anymore. Das sollte von einem eigenen Programm realisiert werden. But when I add a serial port line to the NF_v1 code, the numbers start at zero and climb with no change. May 15, 2020 - Control Your Telescope Using Stellarium & Arduino: I am fascinated by astronomy since the first time I looked to the night sky. When I give 2 réferences (or 3), can I make all transformation from Ra dec to alt az and from alt az to Ra dec ? Recently, I bought a 8" Newtonian telescope that came with a Dobsonian mount. Check the box to activate the plugin. You will need to build 4 like those. Es ist eine schöne Halterung (billig, … I am trying to link my arduino with stellarium and make a goto telescope. Also, I always like to use recycled materials or something that I can salvage from scrap. All available open source telescope controls either use Raspberry Pi, which consumes a lot of power, or uses Arduino as extension to a computer, smart phone or tablet. Why build a gear? If someone have the arduino code .... Hello,Great project! Whilst the Arduino can happily handle all the tasks associated with running the motors and pointing the telescope, in a modern observatory the PC rules. As you can imagine, it is not easy to obtain a perfect mechanical joint while using handcrafted tools. In a very simple way, one encoder (angle encoder or position encoder) is a device (sensor) that can read, and therefore, transmit a position or an angle.

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arduino telescope stellarium 2020