ASCOM Alpaca wrapper for pyobs

This is a pyobs module for wrapping devices accessible via ASCOM Alpaca, a HTTP proxy for ASCOM. It provides telescope, focuser and dome implementations.

Install pyobs-alpaca

Clone the repository:

git clone https://github.com/pyobs/pyobs-alpaca.git
cd pyobs-alpaca

Install it with uv:

uv sync

Alternatively, with plain venv/pip:

python3 -m venv .venv
source .venv/bin/activate
pip install .

Configuration

This is an example configuration for a telescope:

class: pyobs_alpaca.AlpacaTelescope
name: ASCOM Telescope
server: 1.2.3.4
port: 11111
device_type: telescope
device: 0
wait_for_dome: dome
weather: weather
alive_parameter: Name

And for a focusing unit:

class: pyobs_alpaca.AlpacaFocuser
name: ASCOM Focuser
server: 1.2.3.4
port: 11111
device_type: focuser
device: 0
alive_parameter: Position

And finally, for a dome:

class: pyobs_alpaca.AlpacaDome
server: 1.2.3.4
port: 11111
device_type: dome
device: 0
follow: telescope
weather: weather

Dependencies

pyobs-core for the core functionality.
NumPy for array handling.

Metadata

Release files for pyobs-alpaca 2.0.3

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for pyobs-alpaca 2.0.3
File	Size	Uploaded
pyobs_alpaca-2.0.3.tar.gz	186.5 kB	Oct 4, 2026	Details

Built distribution (wheel)

Table of built distributions (wheels) for pyobs-alpaca 2.0.3
File	Interpreter	ABI	Platform	Reset
pyobs_alpaca-2.0.3-py3-none-any.whl 12.1 kB Oct 4, 2026	Python 3	none	any	Details

Total release size: 198.6 kB

Release files / pyobs_alpaca-2.0.3.tar.gz

Download URL	pyobs_alpaca-2.0.3.tar.gz
Size	186.5 kB
Tags	Source
SHA-256 checksum How to use checksums	`24a2bfe70d6c0faf4770773ed9b3779e2e071ec58e2d99a290ef527b9da9f88f`
BLAKE2b-256 checksum How to use checksums	`e0c40a13152f0977b5cc3e20d6fc01a9d29fb748b13245b8f37d80faae235f90`
Upload date	Oct 4, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / pyobs_alpaca-2.0.3-py3-none-any.whl

Download URL	pyobs_alpaca-2.0.3-py3-none-any.whl
Size	12.1 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`c7c1ba537374e4a73c8f3f7f07adcb8e2e84df0782146d86cf556a75425ef7e3`
BLAKE2b-256 checksum How to use checksums	`6bc968357223a97a261713cf291131397c2a1533b87d5c72cd7719425cfad398`
Upload date	Oct 4, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`