The HSpectralyzer has been developed to analyze star spectra acquired by spectrographs using transmission or reflective gratings. A good example…
Portable SkyGuider Setup
In contrast to the regular telescope this setup is really extremely portable but a bit limited.No cooling, amp glow and…
Regular Telescope Setup
The following telescope setup has been built to do regular astrophotography in a portable environment. Well, it should be easily…
Gamma-Ray Spectroscopy – Part 2
In the 1st part of the arcticle series the components of a gamma-ray spectrometer have been discussed.The 2nd part focuses…
Gamma-Ray Spectroscopy – Part 1
A Multi Channel Analyzer (MCA) is able to split up the different energies of gamma radiation into spectral lines to…
Part 2 of the 4 Channel Geiger Mueller Counter for Low-Dose Long Term Measurements
The conclusion of part 1 (4 Channel Geiger-Mueller Counter for Low-Dose Long-Term Measurements) ended with the statement that a precise…
4 Channel Geiger-Mueller Counter for Low-Dose Long-Term Measurements
The project has been born from the idea to revive an old Geiger-Mueller circuit built in the 80s by the…
Pentax ME / 50mm f1.4 / Ilford HP5+ / Kodak D76
Photos taken in Wuppertal using the Pentax ME on Ilford HP5+ developed in Kodak D76. Post processing:– scanning: Epson V800…
Canon A1 / 50mm f1.4 / Ilford Delta 400 / Kodak D76
Photos taken in Wuppertal using the Canon A1 on Ilford Delta 400 developed in Kodak D76. Post processing:– scanning: Epson…
Minolta SRT303 / 50mm f1.7 / Ilford HP5+ / Kodak D76
Photos taken in Wuppertal using the Minolta SRT303 on Ilford HP5+ developed in Kodak D76. Post processing:– scanning: Epson V800…