BOSS team SN 50

[Terry B]

I used Mu Pic (HD46860) which is a B9Ve star about 1 1/2 deg away from the SN. I just take 30 sec exposures x 5 of the calibration star and then divide it by appropriate Pickles spectra. This then gets smoothed and becomes the response curve. It is pretty constant from night to night but is affected by the altitude of the star affecting the blue end of the spectra.

I only have 2 nights of photometry from 29th and 30th.
There was only a 0.01 change in V mag over the 2 nights so this is inconclusive. The AAVSO data isnt conclusive either as there is quite a bit of variation betrwwn observers.
see the graph
It's cloudy tonight so nothing from tonight.
Terry

[astroron (Ron)]

I have just observed SN 2012 hr in my 16"scope
eyepieces 9mm nagler,203xmag and 6mm Radian 300 xmag
Easily seen and estimate it to be about 14th mag
Seeing only moderate with moon glow starting and some high hazy cloud passing in front of the galaxy.
Brief observation,but hope to follow up with further observations tomorrow and following week .
Cheers

[Terry B]

Another spectra from this SN. Taken last night with 6 x 600sec exposure with my LISA
simultaneous photometry gives
B = 14.20
V = 13.94
R = 13.98
I = 14.42
https://gelato.tng.iac.es/plots/plot_n8QswoQB22h5.png

Cheers
Terry