CometBase. Light curve of comet 172P/Yeung

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Time
Time from peri
Log R
R

Magnitude
m-5logD
Coma
Coma (linear)
Condensation

Mean values in days
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Comet
Comet; Fixed coefficient for logr:
Asteroid
Asteroid; Fixed coefficient G:

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	AE-Planetary magnitudes
	YG-Yale Bright Star Catalogue
	HJ-Magnitudes in the Hipparcos photometric system
	TK-Tycho-2 Catalogue
	AQ-APASS catalog
	NH-North Polar Sequence (publ. by Henden and Kaitchuck, 1982
	NP-North Polar Sequence (publ. by the AAVSO)
	AU-ASAS-3 Catalogue
	NO-USNO catalogue

	B - Bobrovnikoff`s method
	M - Morris`s method
	S - Sidgwick`s method
	E - Beyer`s method
	I - Variable stars (without defocusing)

Light curve of 172P/Yeung