Affiliation
Association Francaise des Observateurs d'Etoiles Variables (AFOEV)
Fri, 03/31/2017 - 06:35
PNV J18593500-0819370
Discoverer: Yukio Sakurai (Mito, Ibaraki-ken, Japan)
R.A. 18h59m35.00s, Decl. -08°19'37.0" (J2000.0)
2017 March 30.776 UT, 11.5 mag (CCD, unfiltered)
"2017 03 30.776
Discovered on two frames by Y. Sakurai, Mito, Japan, using Nikon D7100 digital camera + 180-mm f/2.8 lens. Nothing is visible at this location on two frames (limit mag.= 12.5) taken on 2017 Mar. 28.781 UT. There is a star (mag= 14.5) at 35s.08 and 37".6."
http://www.cbat.eps.harvard.edu/unconf/followups/J18593500-0819370.html
Spectroscopy and time-resolved photometry are urgently required.
Clear skies,
Patrick
2017 03 30.776 UT
Position measured from discovery R-frame = 18h 59m 35s.01, -08 19' 35".3 (+/-2"), mag.= 11.7 (limit mag.= 13.0). Image was put http://www.oaa.gr.jp/~oaacs/image/PNinAql2017.jpg
"2017 03 31.5833 UT
I took confirmation images with 0.61-m f/6.5 CDK astrograph + FLI PL09000 CCD camera (T24, iTelescope.NET) at Auberry, CA, USA. I compared my images with DDS image using aladin but there are no new object at reported position. One of my image is available at
http://meineko.sakura.ne.jp/ccd/PNV_J18593500-0819370.jpg
(Seiichiro Kiyota, Kamagatya, Japan)"
"2017 03 31.74903 UT
Follow-up : I took a picture but there seems to be no celestial body at that position, telescope 0.28-m f/6.1 + unfiltered CCD, image
http://supernovajazz.web.fc2.com/sn/pnv-j00435768-4134528-sakurai.html
Observer Yasuo Sano (Hokkaido Nayoro, Japan)"