Projects & publications:

The following projects reflects the area of activity in the sense of consulting and / or own investigations, partly together with the professional astronomy for more than 20 years. Some texts are in German.

1. Objects for beginners

2. Hα-line profile observation of β Lyrae

3. Hα-line profile observation of φ Persei

4. Low Dispersion Spectrograph

5. Introduction in spectroscopy

6. Spectrograph discription

7. Spectroscopy with glas fiber

8. High-resoluted solar-spectroscopy

9. Hα-Observations of the Binary System HR2142

10. Photographic prism-spectrum of α Cygni

11. Support of students works and "youth research works"

12. New disk-activity in π Aqr

13. Current Minimum of the Ha Equivalent Width in π Aqr

14. V/R period analysis of π Aqr

15. New outburst of ω Ori

16. Spectra of the brightest Wolf-Rayet-stars

17. Spectra of planetary nebulae

18. Period and amplitude of the radial velocity variation of the cepheid α UMi (Polaris)

19. Hα-short-term variations in φ Per

20. ASPA-Participation at the professional scientific project VEGA/CHARA

21. Spectroscopic observations of the Hα- and HeI6678-emission at δ Scorpii (German)

22. Periodic behavior of the HeI6678-emission in δ Sco  

23. δ Scorpii 2011 periastron passage observing campaign

24. The Be binary star 28 Tauri

25. Hα long-term monitoring of 28 Tauri

26. Hα-Spectroscopy & V-Variations of 28 Tauri

27. Hα-Spektroskopie & V-Variationen an 28 Tauri (German)

28. Hα-observations of ζ Tau

29. Hα-short-term variations in ζ Tau

30. On V/R Variability of Hα-Emission in ζ Tauri

31. Orbital movement of the disk gas atoms in ζ Tauri

32. Disk precession variations in ζ Tauri

33. Periodic phases in the V/R variability of ζ Tauri ?

34. Cyclic variabilty of the circumstellar disk of star ζ Tauri

35. Variability of Hα-line profil of ζ Tau

36. Monitoring the radial velocity of HeI6678 in ζ Tauri

37. The V/R ratio in ζ Tau

38. Long-term monitoring of P Cygni

39. Spectroscopic - Photometric Campaign of P Cygni by AAVSO, BAV and ASPA

40. Data of the P Cyg campaign

41. Period analysis of the Hα equivalent width in P Cygni

42. VV Cep Outside Eclipse

43. VV Cep Eclipse 1997-99

44. Brigthness observation and Hα-spectroscopy of VV Cep

45. Hα-emissions and V-correlations as probes of Be stars disks

46. Hα-activity in γ Cas

47. HeI-6678-activity in γ Cas

48. HeI 6678 Emission Activity in γ Cas

49. V-Brightness and Hα-Spectroscopy of γ Cas

50. Measurements of the Hα radial velocity of γ Cas

51. Korrelation von Hα und He6678 in γ Cas (German)

52. Correlation of Hα and He6678 in γ Cas

53. The relationship between γ Cassiopeiae's X-ray emission and its circumstellar environment

54. The periastron passage of α Oph

55. The time behavior of the Hα-profile of theta CrB

56. Nonradial pulsations of ζ Oph

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