My astronomy project:
Building an astroserver with a Raspberry Pi4

Content:

1. Introduction
2. The passive cooler
3. Formatting the microSD card and transfer of the mirror file
4. Setup KStars and Ekos
5. Setup INDI Control Panel 'Telescope simulator'
6. Setup INDI Control Panel 'Canon DSLR'
7. Battery test
8. Indoor test of focus control
9. Adding a GPS receiver
10. First Light
11. Setup as Hotspot controlled from a pad
12. Setup drivers peripheral
13. Serial ports handling
14. Good to know commands
15. To be continued

Related projects:

1. HEQ5 as portable mount
2. Pentax 645 300 mm ED IF f/4 lens
3. KStars / EKOS and Raspberry Pi4

Note:
I take no responsibility or liability for what are written here, you use the information on your own risk!

3, Formatting the microSD card and transfer of the mirror file:

It's so much easier now, there is a software package with name Astroberry where everything (almost) is included. You just have to download the image file and install it on the SD card. You have the Astroberry page here with instructions:

I do this on my Windows PC, when finished I move the SD card to the Raspberry.

Format the microSD card:

I do the formatting of SD card and transfer of image file in the Windows PC. The PC doesn't have microSD reader, only a full size SD card port.

With the adapter I can insert the microSD card in the PC.

To format the microSD card I use the software SD Card Formatter. Set the device to your microSD card, be careful, if you choose the wrong device you erase files on wrong unit !

Transfer the imagefile to microSD card:

After the microSD card is formatted, I use the software Win32 Disk Imager to transfer the image file to the microSD card. Choose the image file you downloaded from Astroberry's homepage. Set the Device to your microSD card, be careful to choose the correct device. You don't want to overwrite something else.

When finished, take out the microSD card when it can be safely done and insert it into the Raspberry microSD port.