Comet search

Find a comet and generate ephemerides with this search engine.

You can search by designation or by name. Names are not case-sensitive. Examples: “17P”, “Arend”, “C/2001 O2”.

Comet search:

Comets today

List of comets with potentially moderate to good observing conditions for February 5 (data for 0h UT):

Name	R.A.	Decl.	Δ	r	Elon	m1
C/2009 P1 (Garradd)	17:12.4	+44° 07'	1.50↓	1.66↑	81°↑	7.1↓

Column meaning:

• R.A. and Decl.: Right ascension and declination (ICRS).
• Δ: Earth-comet distance, in Astronomical Units of distance (AU).
• r: Comet-Sun distance, in AU.
• Elon: elongation, the comet-Earth angle, as seen from the Sun (in degrees).
• m₁: Total magnitude. Note that the predicted brightness often does not match the magnitude finally displayed.

Arrows show short-term trends.