Tomek, jak zawsze wykonałeś kawał dobrej roboty. Jestem pod dużym wrażeniem. To otwiera wiele możliwości w astrofoto dla dobsoniarzy. Pozdrawiam, Pablito
This is indeed cool work. Would you mind sharing the .STL files of the 3d prints? I know there's been a couple of requests in this way so checking if you reconsidered this, just trying to get a simple method for camera rotation, I'm using an equatorial mount. Thank you and cheers again for the excellent work!
Hi. Thanks for your comment. That's not a problem in sharing the stl files, the problem is in other parts which you have to buy. If you are able to change the project to adapt it to your parts, just let me know, I'll send the files in same day. :)
Thanks for sharing your work. I'm trying to do something similar. But what I'm having difficulty with is, I think you have to adjust the axis of the rotator so that it's on the same line that the images rotate around, then you'd have to build some complicated panning adjustments, or am I thinking too much?
As my motorised and computerised Dobsonian mount didn't meet my expectations in terms of smoothness of the tracking, I moved towards a big and heavy equatorial fork mount for my 10" OTA. It's ready (~110kg in total) and passes through tests. Unexpectedly the de-rotator may fill a role of a rotator, but it's long way ahead! 😁 In the meantime someone asked me for the stl file and I shared it with him. But he was aware that some amendments are needed. Finally he made his own working project based on my one. If you are ready for that as well, then no problem, I can share it.
To be honest, I can sell my derotator as it is. Someone have to think about the ASCOM or INDI driver if needed. I need money for a Canon body, so I'm ready for the deal.
Hi, great work there. I was trying to make a field rotator on my own but failed multiple times. I figured out all the mechanics but regularly have issues with wiring and Arduino code. Can you please shed some light on those so I might be able to finish this project? Your help would be very much appreciated especially since I understand you are running it on a raspberry pi and I haven’t yet figured out how to make it compatible.
And then you finally ask yourself "Why cant the camera just rotate instead?" And just like that, you end up here... Awesome... Everything about it is awesome. How does the required speed/direction, signal, get into the Field De-rotator? Again, awesome work. Subscribed.
Thanks. I added extra piece of code (finally another thread) calculating only periods between pulses and also direction of the stepper motor. Everything required by the equation shown in video is given by code written earlier.
You should fund this in Kickstarter. There seems to be room in the market for a beginner/intermediate level model, as whats available now are priced above that. Id love to see this come to market.
@@gianniformica8235 most people interested in this sort of thing are more interested in the DIY part of it, so a overtheshelf product kind of beats the purpose. Plus a full product cost will include the mirror , frame of barrel , etc . Will make it too high to take off in consumer market
Hi Tomas. Great work. I'm manteiner of firegoto project, a GPL DIY project to motorize Dobsonian mounts in Brazil using arduino. Currently we are looking for a solution for field derotation. Are u using arduino? Could you share the project to be used here in Brazil?
Hi. I'm sorry, I have no electronics inside other than the stepper motor diver yet. But I have to consider something soon, as I'm going to turn it into rotator with the INDI driver.
I have my heart set on getting the orion skyquest XX14" goto Dobsonian, but i want to photograph galaxy's and DSO's. Do you think your derotator works well enough to do that? Is 5 sec the longest exposure you can take using that setup or can you do longer ones? Great work!
Thank you. Yes, the 5-10 sec is presently longest exposure because of some problems with driving, which I can not solve. The de-rotation is perfect, but all objects move randomly in the field. That looks like not linear working of the steppers, wrong method of calculation (which is good in total) or affecting the RPi's CPU by other tasks. The calculations require real time solving of complicated equations, so the code can also be not optimal. Maybe that should be written in C++ and compiled, while now it's a Python script? Hard to say, to many questions. I decided to build a heavy equatorial fork mount and release myself from problems like them. After then I can use even the Arduino to operate the steppers, so strong CPU will be not really needed.
Very inventive. But the Deep Sky Tracker would have rotated the pictures for you during the registration. Am I wrong ? It is easier to rotate it in the software than hardware. Still, great skill and patience, but I would be too lazy to do it this way ;)
Sure, it's 55mm, like this: simplybearings.co.uk/shop/p20000053/ENDURO-68112RS-Rubber-Sealed-Deep-Groove-Ball-Bearing-55x72x9mm/product_info.html Sorry for late response.
I'm interested in your project, but, respectfully, I would really rather not listen to that background music distraction which adds nothing to the presentation. Yes, I turned off the audio, but it would be more helpful to hear a narration by you about your project. Everybody these days seems to think it is necessary to add saccharine music to their videos, including NASA.
Tomek, jak zawsze wykonałeś kawał dobrej roboty. Jestem pod dużym wrażeniem. To otwiera wiele możliwości w astrofoto dla dobsoniarzy.
Pozdrawiam,
Pablito
Bardzo dziękuję.
Uznanie z Twoich ust bardzo wiele dla mnie znaczy. :)
This is indeed cool work. Would you mind sharing the .STL files of the 3d prints? I know there's been a couple of requests in this way so checking if you reconsidered this, just trying to get a simple method for camera rotation, I'm using an equatorial mount. Thank you and cheers again for the excellent work!
Hi. Thanks for your comment. That's not a problem in sharing the stl files, the problem is in other parts which you have to buy. If you are able to change the project to adapt it to your parts, just let me know, I'll send the files in same day. :)
Nice to see you use Freecad as well.
Wowwww splendido progetto!!!!
Thanks for sharing your work. I'm trying to do something similar. But what I'm having difficulty with is, I think you have to adjust the axis of the rotator so that it's on the same line that the images rotate around, then you'd have to build some complicated panning adjustments, or am I thinking too much?
I'm not sure, if I understand. I don't need to adjust anything. It works. And I'm going to turn it into a rotator, when I buy cooled astro camera.
hello, great project!
for an ASI224MC what is the formula for how does this translate to pixels per second for my camera?
Hi.
astronomy.tools/calculators/field_of_view/ -> Imaging Mode. :)
Very cool! Do you plan on sharing the .stl files and parts list/drivers?
Thanks. I think about that, but I consider a kind of trade as well. I'm not ready to give you an answer yet.
@@astrovroobel Any thoughts now?
As my motorised and computerised Dobsonian mount didn't meet my expectations in terms of smoothness of the tracking, I moved towards a big and heavy equatorial fork mount for my 10" OTA. It's ready (~110kg in total) and passes through tests. Unexpectedly the de-rotator may fill a role of a rotator, but it's long way ahead! 😁
In the meantime someone asked me for the stl file and I shared it with him. But he was aware that some amendments are needed. Finally he made his own working project based on my one. If you are ready for that as well, then no problem, I can share it.
To be honest, I can sell my derotator as it is. Someone have to think about the ASCOM or INDI driver if needed. I need money for a Canon body, so I'm ready for the deal.
@@astrovroobel Thats ok I can make my own based on a similar design from Circuit Cellar and I'll write an INDI driver for it. Thanks!
Hi, great work there.
I was trying to make a field rotator on my own but failed multiple times. I figured out all the mechanics but regularly have issues with wiring and Arduino code.
Can you please shed some light on those so I might be able to finish this project? Your help would be very much appreciated especially since I understand you are running it on a raspberry pi and I haven’t yet figured out how to make it compatible.
Hi. Great idea! Will it work with a ZWO camera that has cables connected to it?
Can I guy the finished product somewhere?
Thanks!
And then you finally ask yourself "Why cant the camera just rotate instead?"
And just like that, you end up here...
Awesome...
Everything about it is awesome.
How does the required speed/direction, signal, get into the Field De-rotator?
Again, awesome work.
Subscribed.
Thanks.
I added extra piece of code (finally another thread) calculating only periods between pulses and also direction of the stepper motor. Everything required by the equation shown in video is given by code written earlier.
You should fund this in Kickstarter.
There seems to be room in the market for a beginner/intermediate level model, as whats available now are priced above that.
Id love to see this come to market.
@@gianniformica8235 most people interested in this sort of thing are more interested in the DIY part of it, so a overtheshelf product kind of beats the purpose. Plus a full product cost will include the mirror , frame of barrel , etc . Will make it too high to take off in consumer market
Hi Tomas. Great work. I'm manteiner of firegoto project, a GPL DIY project to motorize Dobsonian mounts in Brazil using arduino. Currently we are looking for a solution for field derotation. Are u using arduino? Could you share the project to be used here in Brazil?
Hi. I'm sorry, I have no electronics inside other than the stepper motor diver yet. But I have to consider something soon, as I'm going to turn it into rotator with the INDI driver.
Very well and nicely done. Btw who the heck put a dislike???
Thank you! :) Did someone do that?
Consider trying plate solving for altaz guiding, a raspberry pi can do a solve every few seconds and adjust position based on that
I abandoned all Alt-Az projects. Look please at my last video.
good morning, what software do you use to control the rotator? the project is really interesting! Could you share the entire project via email?
Great work Tomas!! you are a simple genius!! So.. di you glued the metal T2 adapter pieces and the bearing to the printed wheel? Love the music BTW
There is no glue at all. Only exact size.
Does it workshop for long exposures, like 3 or 5 minutes?
Hmm... I don't think so. So long exposures usualy require a guiding, while the Alt-Az mounts cannot offer it.
STL files? I publish my atrophotography 3D projects on thingiverse.
I'll consider it, as several guys already made their projects based on my one... :)
I have my heart set on getting the orion skyquest XX14" goto Dobsonian, but i want to photograph galaxy's and DSO's. Do you think your derotator works well enough to do that? Is 5 sec the longest exposure you can take using that setup or can you do longer ones?
Great work!
Thank you.
Yes, the 5-10 sec is presently longest exposure because of some problems with driving, which I can not solve. The de-rotation is perfect, but all objects move randomly in the field. That looks like not linear working of the steppers, wrong method of calculation (which is good in total) or affecting the RPi's CPU by other tasks. The calculations require real time solving of complicated equations, so the code can also be not optimal. Maybe that should be written in C++ and compiled, while now it's a Python script? Hard to say, to many questions. I decided to build a heavy equatorial fork mount and release myself from problems like them. After then I can use even the Arduino to operate the steppers, so strong CPU will be not really needed.
Very inventive. But the Deep Sky Tracker would have rotated the pictures for you during the registration. Am I wrong ? It is easier to rotate it in the software than hardware. Still, great skill and patience, but I would be too lazy to do it this way ;)
I have fun in creating my own stuff. :)
scusami quali driver hai utilizzato?
hi tomas may i know the inner diameter of your bearing?
Sure, it's 55mm, like this:
simplybearings.co.uk/shop/p20000053/ENDURO-68112RS-Rubber-Sealed-Deep-Groove-Ball-Bearing-55x72x9mm/product_info.html
Sorry for late response.
Hi Tomasz, any chance to share your STL files ?
Hi Luc. Sure, just write email to me. Several guys succesfully used them.
Super!
Thanks :)
How can i get the stl files?
Just write email to me. Several guys succesfully used them.
hello cool project coulds you please share the stl file pls?
Thanks. :) I can share it, please send email...
@@astrovroobelhave you send it please?
@@christm45 Did you send email?...
@@astrovroobel email sent 5 times. RUclips will delete it
@@astrovroobel 😪
Wow!
Wow🎉
Very nice, you could make some serious coin if you made them and sell them.
I never considered earning on my projects unless it turns into my future job. :)
Great project but you did not publish all the details, as an ascom developper I could use and embbed your design but finally not ;)
I'm interested in your project, but, respectfully, I would really rather not listen to that background music distraction which adds nothing to the presentation. Yes, I turned off the audio, but it would be more helpful to hear a narration by you about your project. Everybody these days seems to think it is necessary to add saccharine music to their videos, including NASA.
I'm mute. Can you help?