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I have an EQ5 telescope mount which i use for astrophotography. I have modified it with a motorised RA axis using a bipolar stepper motor - my thread for the build is here .
I want to expand the mount's tracking ability by motorising the DEC axis and using a guide scope/camera. I generally use the mount in fairly remote locations so would like to use a raspberry Pi for portability.
I understand that I'll need to use a Raspberry Pi Camera Module for the guide camera.
The capability I want is:
1. guide the mount along RA and DEC axes using a guide star as feedback
2. track the mount using the RA axis only, and if possible continuously take 20-30 second exposures on the guide camera (this functionality is optional, but would assist in polar alignment of the mount)
I don't want any GOTO capability. I am very new to RPi and need some help:
- do I need to write code for this, or is there existing programming available for what I want to do?
- is it possible to avoid the use of screens (in the field)? My preferred option would be to flick a switch to start and stop the guiding, with another switch for alignment mode (or something simple like this).
- do I need to use any particular stepper motors/drivers for raspberry Pi? I'm using a bipolar stepper motor running quarter steps, with an A4988 stepper driver
- is the RPi 3 Model B+ the unit I should buy?
Starting my 1st IOT project. Since i've been an astrophotographer with no permanent setup, it makes sense to reduce the physical footprint (and the weight) of as many equipment as possible, as well as to do better cable management. I am soon going to start using Astroberry Pi server, an Ubuntu based suite for Astrophotography. Just purchased a Raspberry Pi 3B along with a 3.5" display for that. Lets see how it goes.
£130 Ono ! Will calculate postage when sale agreed but I can't see it being more than £10 with royal mail
Stellarmate imaging astrophotography computer.
Based on raspberry pi . Comes with upgraded 32gb card rather than the standard 16gb. Included in box is hdmi cable and usb cable with power switch.
This was an early Christmas present but is turning into a project I just don't have the time for. Works with anything that has an indi driver.
It's like the zwo ASI air ...but can be used with other equipment including zwo.
Please note if you have Altair cameras the driver is still in development.
With March about to pass without a single image being taken my mind has turned to wire reduction and being able to move the OTA and mount further away from the house tethered only by a network cable and mains supply. Because I have a Raspberry Pi3 Model B+ to hand I thought I would try Virtualhere - just to see how far I can get to realising my goal without too much extra spend.
The Virtual Client installed fine on the NUC and I have been able to install the basic usb-server (vhusbdarm) code on the Pi3B+; you can install the specific usb-server code without a licence although when I tried I got an illegal instruction command from the Pi. Nevertheless I persevered with the basic usb-server, connected successfully to the NUC and could see the Atik428ex connected to the Pi. I was all the more encouraged to see that Artemis could also see and use the camera. The resulting image was not so encouraging and I wonder if anyone can tell me the likely cause of the banding on the image. This is a 0.2s exposure using an L filter. The pylon is not that black but the sky colur is pretty accurate!
I did not go so far as to try the mount connection (NEQ6) or guide camera (ASI120MM-S).
Thanks in anticipation of any help.
By steve astromag
I am sure I am missing a trick here but thought I would ask here anyway. I have the QHY5-II MONO and a meteor lens to use as a kind of allsky cam. However, I want to mount the CCD to a mount in the garden but do not want to collect the data with a laptop. Is there anything I can use to collect the data but a little mre mobile than a laptop?