Thanks to the helical focuser on the finder/guider scope in Vernet, we can accurately tell the difference in focus position for various eyepieces etc as follows. Furthest in is the USB camera I’ve adapted so call that position 0 Svbony graticule +6mm Altair ( when inserted up to the end […]
gary
33 posts
Bluetooth notes for rpi etc. bluetoothctl agent on default-agent discoverable ….. bluetoothctl agent on default agent scan on pair ….. On master rfcomm watch hci0 On slave rfcomm connect hci0 <bt address>
Introduction Astronomy really deals with six categories of object Stars Galaxies Nebulae Planets The moon The sun Each has different challenges and different equipment requirements and there’s no way a single setup can optimise everything. However, my purpose is not to compete with the serious amateurs who live under dark […]
Summary of our setup The synscan HEQ5 mount can be controlled through the handset, but the serial protocol supported by the mount can also be used to interface directly to a computer. The main connection is an 8 pin RJ45 connector with pinouts as follows ( and colours based on […]
LC is a great program – it works on windows and linux, and because it uses all internal codecs, its behaviour doesn’t depend on lots of other stuff being in the OS first. It also means it can work more or less exactly the same on both OS types provided […]
Email Email ought to be simple. But it isn’t. Overview Email has the following key components – A way of creating a message and addressing it to its intended recipients – A way of taking a message and transferring it ultimately to a recipient – A way of retrieving delivered […]
Introduction This paper explains how my desire for a Windows friendly tool to do something I thought was so easy there’d be lots of solutions out there led me to writing my own solution. I consider two common functional requirements: You have several machines and want to synchronize key data […]
Dates It’s quite extraordinary how difficult it can be to get things right when writing a computer program which cares about dates and or times, even if you’re just talking about the Gregorian calendar ( the one most people use, certainly in a business context ). The purpose of this […]