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About me

I start my photographic comet work in 1982.

In the beginning I was fascinated by the rapidly changing appearance of comets.
This has not changed even after the observation of more than 500 comets.

The astrometry of comets is now my interest. My special thanks goes to
Wolfgang Vollmann from Vienna, who performs the measurement of the images

Comet observations made most of the time from Stixendorf near Krems, Austria.
The observing site is located in the field at 602 meters above sea level.
The telescope must be repositioned before each night.
This mobility allows to change the observation position slightly to
to find comets near horizon.

The light pollution of Krems is in the east and southeast clearly visible. Very dark, however, is the region from southwest to northwest.


Stixendorf A71 = 15°27'12"   +48°25 54  602m



Many Thanks to

Prof. Hermann Mucke: The main supporter of my work.

Gerald Rhemann and Franz Klauser: Two important companion for decades.

Wolfgang Vollmann: A professional in measurement of the comet images.

 Sebastian Hönig: He proposed to name minor planet 78391 Michaeljäger.

Minor Planet Circular MPC 51982:

Michaeljäger          78391   Journalist

(78391) Michaeljäger
     Discovered 2002 Aug. 8 by S. F. Hönig on NEAT images taken at Palomar.
     Michael Jäger (b. 1958) is one of the most prolific and recognized
comet astrophotographers. Within the last decades he imaged around 300
different comets and discovered comet P/1998 U3 as well as fragment D of
comet 141P/Machholz. In 2002 he assisted the discoverer with confirmation of
comet C/2002 O4 (Hönig).




Mister Edgard Wilson and the IAU-Team for


With reference to IAUC 6936, the Smithsonian Astrophysical

Observatory wishes to announce that the 1999 Edgar Wilson Award for

the discovery of comets by amateur astronomers is being divided

among the following six individuals or groups: Peter Williams,

Heathcote, N.S.W., Australia, for C/1998 P1; Roy A. Tucker, Tucson,

AZ, U.S.A., for P/1998 QP_54; Michael Jager, Weissenkirchen i.d.

Wachau, Austria, for P/1998 U3; Justin Tilbrook, Clare, S.A.,

Australia, for C/1999 A1; Korado Korlevic and Mario Juric, Visnjan,

Croatia, for P/1999 DN_3; and Steven Lee, Coonabarabran, N.S.W.,

Australia, for C/1999 H1.

(C) Copyright 1999 CBAT

1999 July 14 (7223) Daniel W. E. Green







and Otto Guthier and the VdS-Team for the Vds-Medaille







Update 2020 nov. 9

09/11/2020 21:38

Komet Lovejoy 13.2.2015 10"/4.0 7x240 UV/IR and 4x420sec blue

23/02/2015 00:28


14/08/2013 11:50
COD A71 CON W. Vollmann, Dammaeckergasse 28/D1/20, A-1210...

Comet 290P/Jager

13/08/2013 20:23
V Elements and Ephemeris for 290P/Jager Orbital...


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