Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PNV J18033275-2816054

PNV J18033275-2816054   2015 09 27.4293*  18 03 32.75 -28 16 05.4   9.9 U             Sgr       I 0



2015 09 27.483

Discovered by K. Itagaki. Yamagata, Japan. T. Noguchi, Chiba-ken, Japan observed Mag.= 9.8, position end figures 32s.75, 05".4 using 0.23-m f/6.3 Schmidt Cassegrain + unfiltered CCD, who posted an image at http://park8.wakwak.com/~ngc/images/PNVinSgr_20150927.jpg.




2015 09 27.483

Object visible in images taken with DSLR & 200mm lens in strong moonlight, 9.6 U. Observer Rob Kaufman, Bright, Victoria, Australia. Confirmation image at: http://i727.photobucket.com/albums/ww271/Rob_Kau/PNV%20J18033275-2816054%2027%20Sept%202015%20text.jpg~original




2015 09 44706

I also discovered the object. 2015 09 27.44706 18 03 33.57 -28 16 09.8 10.5 U A. Takao in Kitakyushu Japan




2015 09 27.404

Mag.= 9.5 observed by T. Kojima, Gunma-ken, Japan using Canon EOS 60 + IR filter. Image posted at http://www.oaa.gr.jp/~oaacs/image/Pnova_Sgr_Kojima.jpg.




2015 09 27.4409

2015 09 27.44093UT Mag=9.3U (limiting magnitude=16.5), using a 0.50-m f/6.8 RC(+FLI 1001E camera). position end figures 32s74, 05."6. nearest star in VizieR has position end figures 32s70, 05"7, distance 0"54, magnitudes V=20.491 I=19.115 observed by K.Nishiyama




2015 09 27.4189

Y. Nakamura, Kameyama, Mie, Japan reports his independent discovery of this object on images (limiting mag about 12.5) taken on Sept. 27.4189 UT with f.l.135-mm F/4 lens + CCD. It cannot be seen on an image (limiting mag about 12.5) taken on Sept. 23.4205 UT.




2015 09 27.447

I correct the report I made yesterday as follows : 2015 09 27.447 18 03 33.6 -28 16 10 10.5U The image of this object is posted at : https://sites.google.com/site/akitakao001/




2015 09 28.0818

Photometry results were B=9.77, V=9.18, Rc=8.83 and Ic=8.48 with 0.43-m f/4.5 CDK astrograph + FLI-PL6303E at Mayhill, USA, remotely. Seiichiro Kiyota (Kamagaya, Japan)




2015 09 28.4083

Following the posting on the Central Bureau's Transient Object Confirmation Page about a possible Nova in Sgr (TOCP Designation: PNV J18033275-2816054), I performed some follow-up of this object through a 0.43-m f/6.8 astrograph + CCD from MPC Code Q62 (iTelescope Observatory, Siding Spring). On images taken on September 28.4, 2015 I can confirm the presence of an optical counterpart with R-filtered CCD magnitude 9.5 at coordinates: R.A. = 18 03 32.77, Decl.= -28 16 05.3 (equinox 2000.0; UCAC-4 catalogue reference stars). My confirmation image: http://bit.ly/1FwPd8O - An animation showing a comparison between my confirmation image and the archive POSS1 Blue plate (1958-04-18): http://bit.ly/1NXp7wN by Ernesto Guido




2015 10 03.388

Photomety: B= 9.6, V= 9.2, R= 8.9, using 0.30-m f/9.9 Cassegrain + CCD + f/7.0 focal reducer at Osaki Lifelong Learning Center, Japan. Observer T. Yusa, Y. Suzuki, C. Shirotori, N. Endo and A. Endo, Osaki, Japan. An image is put on URL http://space.geocities.jp/yusastar77/supernova/PNinSgr_151003.htm



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