English Publications

I. Books

My book "Galaxies and How to Observe Them" (Springer, London-New York) is on the market since Dec. 15, 2006. It covers all aspects about visual observing of galaxies, featuring astrophysics, instruments, observing techniques, objects, and much more.

Download an index of all objects (xls).
The extended, English version of my comprehensive study on the history of the NGC  - titled "Observing and Cataloguing Nebulae and Star Clusters - from Herschel to Dreyer's New General Catalogue" - has been published by Cambridge University Press in August 2010.

Look here for an abstract of the book.

II. Articles (since 1996)

Publication Magazine/Location Year
1 Catalogue of Bright Quasars and BL Lacertae Objects Internet 1998
2 Galaxies in Leo Minor - "The Amateur Deep Field" Mitteil. d. SFB, May-Aug 1998
3 Catalogue of Galaxy Groups Internet 1999
4 Observing list of Bright Quasars Internet 1999
5 Quasars, Active and Compact Galaxies Internet 1999
6 Extragalactic Objects Discovered as Variable Stars Internet 2000
7 Anonymous Galaxies in the NGC 999-Group Magellan 2, issue 1, p. 10 2000
8 Digital Deep-Sky Data, visual Observing and the NGC/IC Project VdS-Journal 1/2000, p. 49 2000
9 On True and False Double Quasars Internet 2000
10 "Superthin Galaxies" - Objects, Sharp as a Razor Blade VdS-Journal 2/2000, p. 71 2000
11 In Quest of "Deep-Sky Comets" [pdf] Internet 2001
12 Cygnus A - Observing an Exceptional Radio Galaxy interstellarum 18 2001
13 Deep Sky Catalogues, the New Uranometria and Other Stories [pdf] Internet 2002
14 Extragalactic Objects Discovered as Variable Stars Webb Deep Sky Society Publication 2002
15 NGC 6822 (Barnard's Galaxy) interstellarum 41, S. 22 2005
16 Object of the Season: NGC 7027 Deep Sky Observer 138, p. 17
2005
17 Object of the Season: NGC 6888 Deep Sky Observer 140, 9 2006
18 Object of the Season: NGC 891 Deep Sky Observer 141, 17-21 2006
19 Review: F. Watson, Stargazer - The Life and Times of the Telescope Deep Sky Observer 142, 27-28 2006

20

 M 81 and M 82 - A Nightmare for the Herschel Family [pdf] Internet 2006
21 NGC 4361. History, Data and Observational Results Deep Sky Observer 150, 4-6 2009
22 NGC 7000. History, Data and Observational Results Deep Sky Observer 151, 7-9 2010
23 John Lous Emil Dreyer - A Short Biography [pdf] Internet 2010