Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J14021678+5426205

PSN J14021678+5426205   2015 02 10.904 *  14 02 16.78 +54 26 20.5  16.5 U  489W 324N  M101      0 3

2015 02 13.540

I imaged M101 using ACP-iTelescope.Net T24 CDK 500mm and FIL Camera on several 50 second exposures.Which showed the new suspect clearly at around mag 16.7 with figures of 14:02:16.81 +54:26:20.8 Stu Parker Parkdale Observatory

2014 11 13.844

http://www.k-itagaki.jp/images/PN-M101.jpg

2015 01 20.803

http://www.k-itagaki.jp/images/PN-M101-2.jpg

2015 02 14.4380

This PSN detected at coordinates 14 02 16.76 +54 26 20.5 (UCAC3) Magnitude 17.4V +/- 0.2 magnitude. Limiting magnitude 18.8 . Sum of 10 x 120-second images. Nothing visible other than galaxy background at these coordinates on DSS. Observer: R. A. Koff, Antelope Hills Observatory, Bennett, Colorado USA (H09). Image posted at: http://antelopehillsobservatory.org/SNpictures/PSNJ14021678+5426205final.jpg

2015 02 14.523

This probable red transient in M101 was detected with 4 x 10 min images using a clear filter Photometry: Mag 17.49 +/- 0.07 C (R/B for ref; 2MASS) Astrometry: RA 14 02 16.81 Dec +54 26 20.9 These data were collected remotely by Joseph Brimacombe, Coral Towers Observatory, Cairns, Australia. Link to image and further information: https://www.flickr.com/photos/43846774@N02/16518232186/

2015 02 18.9871

Mag.: 16.8(V) R.A.: 14 02 16.75; Decl.: +54 26 20.7 (2000.0). Reference: PPMXL Observer: Massimiliano Martignoni - Observatory: Stazione Astronomica Betelgeuse (B75), Magnago, Italy Telescope: Schmidt-Cassegrain 0.25m-f/10.0 - CCD: KAF0261E