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Special Notice #7: Possible Nova in Sgr [V5117 Sgr]

February 18, 2006: William Liller (Vina del Mar Chile) reports a possible nova at 17:58.9 -36:48 J2000. Its approximate magnitude is 9.0, and was seen on three photos taken near Feb. 17.37UT. Bill Allen (NZ) has taken B and V images that confirm the new object. Inspection of the DSS2 images of this region do not show any bright precursor; any possible faint precursor will require careful astrometry in this crowded field.

Mati Morel has derived a sequence from V=5.7 to V=12.9 based on Tycho2 and ASAS; this will be posted shortly, along with more details.

This special notice was compiled by: A. Henden

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