Calibration needed or maybe not

These meters do not agree. But here they are connected in serial so further investigation is needed.

On the road again

I had luck to take UBVRI-series of M51.

The battle against dew - Final countdown

Drift Alignment

PEMPro does it's job quite well after you have figured out parameters suitable for your setup.

Azimuth:

Altitude:

Return of the Jedi

Freezing cold

A pair of surface heating plates, dew heater band, temperature sensors, humidity sensors and three Arduinos kept this equipment up and running.

Penguin goes space

New needs in image processing are met with this powerlaptop installed with Mint Linux.

16 GB of RAM and almost 10 TB of hard disk space:

8 CPU cores:

Filter offsets made easy

This little program which I wrote a couple of months ago automatically calculates filter offsets for your filters. Very useful and a real timesaver.

Photometric UBVRI-filters are being measured:

Sometimes focusing fails and that's where the cumulative average comes in: