[vsnet-chat 4476] [vsnet-chat] SN photometry " V "

["Jean marie Llapasset" <jean-marie.llapasset@wanadoo.fr>]

I test, very gradually, to take SN images with the filters " V " and "
R ".  For measurements, we have the fields of Odd Trondal for the
color " R " but for the color " V ",  I do not know which catalogue choose
when there are no star LONEOS or field photometry.
 
I have filters SCHOTT
B (BG12(1mm)+GG385(2mm) + BG18 (1mm))
V (GG495 (2mm) + BG18 (1mm) + WG305 (1mm))
R (OG570 (2mm) + KG3 (2mm))
I (RG9(3mm)+WG305(1mm))
N (NG12(4mm))
 
Thank you for your answers,

Sincerely yours,

Jean Marie Llapasset
Obs 635  Perpignan (France)
jean-marie.llapasset@wanadoo.fr
http://perso.wanadoo.fr/jm.llapasset/
http://vsnet.astrosurf.com/snaude/

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