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THE ASTRONOMER Electronic Circular No 3067      2015 Mar 21 21.08UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074
INTERNET: GUY@TAHQ.DEMON.CO.UK      Backup: gmh@wdcc1.bnsc.rl.ac.uk
WORLD WIDE WEB                         http://www.theastronomer.org
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NOVA SCORPII 2015 = PNV J17032620-3504140
Further to TA E-Circular 3060, additional CCD magnitudes: 2015 Feb 12.82,
9.5 (T. Noguchi, Japan, 0.23-m f/6.3 Schmidt-Cassegrain reflector; position
end figures 26s.15, 17".5; image posted at URL
http://park8.wakwak.com/~ngc/images/PNVinSco_20150212.jpg;
communicated by Nakano); 12.84, 9.5 (K. Yoshimoto, Yamaguchi, Japan; Nikon
D5100 digital camera + 180-mm f/2.8 lens; position end figures 26s.13,
18".0; image posted at
http://orange.zero.jp/k-yoshimoto/PNV-J17032620-3504140.jpg;
communicated by Nakano)

F. M. Walter, Stony Brook University, reports on continuing SMARTS
observations of the object now named Nova Sco 2015. Approximately nightly
BVRIJHK photometry with the SMARTS 1.3-m reflector (+ Andicam) at Cerro
Tololo through March 8 shows a rapidly fading S-class light curve, with a
brief hiatus in the decline, at Day 10 (Day zero taken to be Feb. 11.837 UT,
the time of discovery), some 1.5 mag beneath the peak magnitude observed (V
= 9.50 on Day 1.01); this hiatus is most evident in B and V, where the nova
brightened by about 0.2 mag.  The nova is fading in all bands at a rate of
about 0.14 mag/day.  There is as yet no evidence of an underlying red giant,
with magnitudes J = 10.2, H = 9.9, and K = 9.3 on Day 25 (Mar. 9.9 UT).
(CBET 4078)

Guy M Hurst