Quellen D. Yeomans (1997): Orbit and Ephemeris Information for
Comet Hale-Bopp (1995 O1), abgerufen am 24. Februar 2005 D. W. E.
Green: IAU Circular 6187, 23. Juli 1995 G. Cremonese, H.
Boehnhardt, J. Crovisier et al (1997): Neutral Sodium from Comet
Hale-Bopp: A Third Type of Tail, Astrophysical Journal Letters,
Vol. 490, S. L199 S. D. Rodgers, S. B. Charnley (2001), Organic
synthesis in the coma of Comet Hale-Bopp?, Monthly Notices of the
Royal Astronomical Society, Vol. 320, S. L61-L64. J. Warell, C.-I.
Lagerkvist, J. S. V. Lagerros (1999): Dust continuum imaging of
C/1995 O1 (Hale-Bopp):. Rotation period and dust outflow velocity,
Astronomy and Astrophysics Supplement, Vol. 136, S. 245 Z. Sekanina
(1999), Detection of a Satellite Orbiting The Nucleus of Comet
Hale-Bopp (C/1995 O1), Earth, Moon, and Planets, Vol. 77, S. 155,
DOI: doi:10.1023/A:1006230712665 F. Marchis, H. Boehnhardt, O. R.
Hainaut, D. Le Mignant (1999): Adaptive optics observations of the
innermost coma of C/1995 O1. Are there a "Hale" and a "Bopp" in
comet Hale-Bopp?, Astronomy and Astrophysics, Vol. 349, S. 985
Russell Sipe: The "Object" Near Comet Hale-Bopp, abgerufen am 28.
November 2006 Olivier R. Hainaut und Dr. David J. Tholen:
Fraudulent use of a IfA/UH picture, 15. Januar 1997
