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Details:
Time: 20:32UT 2020-09-17 Exp.7 x 62sec
Telescope 0.254m f/4.87 with ST-10 CCD 1.13"/px
Odd Trondal Obs.code 238 (Uranium). Oslo Norway
Atom weight Neptunium Isotope 238.Half-life 2 days , -
AT2020tlf (= ATLAS20bbft) discovered 2020/09/16.221 at R.A. =
14h40m10s.034, Decl. = +42°46'39".64 Mag 15.9:9/16, Type SN IIn
(References: TNS)
Reference http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2020tlf
Aladin + Sloan Digital Sky Survey
Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0,7.0, Paint, Picture Window 2.0
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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