Skip to main content

Special Notice #392: ASASSN-14lp = Type Ia Supernova in NGC 4666 (Virgo)

December 11, 2014: T. W.-S. Holoien et al. announce in The Astronomer's Telegram (ATel) #6795 ( the discovery of a transient in NGC 4666 at magnitude 14.3 V on 2014 December 9.61 UT. The discovery was made in the course of the All Sky Automated Survey for SuperNovae (ASASSN) search, and the object assigned the name ASASSN-14lp. ASASSN-14lp was not seen (<15.3 V) in poor-quality ASASSN images obtained on 2104 Dec. 08.35 UT.

J. Thorstensen et al. announce in ATel #6801 ( that ASASSN-14lp is a Type-Ia supernova a few days before maximum.

Observations are requested of this Type-Ia supernova.

Coordinates: RA 12:45:09.101  Dec. -00:27:32.49 (2000.0)

ASASSN-14lp is located 12" from the center of NGC 4666. It is currently a pre-dawn target, but will become more favorably positioned as the outburst progresses.

A finder chart for ASASSN-14lp with sequence may be created using the AAVSO Variable Star Plotter (VSX,

Please submit observations to the AAVSO International Database using the name ASASSN-14lp. Once a supernova ID has been assigned by the Central Bureau for Astronomical Telegrams, please use that name.

This AAVSO Special Notice was compiled by Elizabeth O. Waagen.


Information on submitting observations to the AAVSO may be found at:


A Special Notice archive is available at the following URL:

Subscribing and Unsubscribing may be done at the following URL:


Please support the AAVSO and its mission -- Join or donate today:

AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484