Thursday, 25 October 2018

Observation: 2018hmk

2018hmk, Type Ib in NGC 6640
Discovered 2018-10-18.642 by Gaia, mag 18.49 ar discovery
R.A. = 18h28m08s.125, Decl. = +34°18'15".74




Observer: Cedric Raguenaud, SW France, GSNST
2018-10-24.875
Approx mag 17.54CV ±0.05, ZP=29.138mag
Note: the supernova is very close to the galaxy core so photometry is unreliable
0.25m/f4 reflector + CCMOS, 0.5"/pixel
6x300s, bin 1x1

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