Observation by Mr Ian David Sharp: SN 2023IXF RVB Magnitude Plot

Uploaded by

Mr Ian David Sharp

Observer

Mr Ian David Sharp

Observed

2023 Jun 29 - 13:52

Uploaded

2023 Jun 29 - 14:00

Objects

M101
Lightcurve

Equipment

Celestron C9.25 Edge HD @F/7
Celestron C11 Edge HD @F/7
Johnson V and B and Cousins R photometric filters

Location

Ham Observatory, Nr. Selsey, UK

Target name

SN 2023IXF

Title

SN 2023IXF RVB Magnitude Plot

About this image

This graph shows the magnitude plot for Supernova SN 2023IXF in the M101 galaxy in Ursa Major.

I have been performing aperture differential photometry to measure the brightness of the supernova for the past 40 nights with only 4 nights missed due to cloud. I used my equipment here in the UK and also in Spain.

The chart clearly shows the rise in brightness to a peak followed by a slow decline. Notably the object was brightest in the blue to start with and then faded more rapidly to leave the red as the brightest channel. This is a clear indication of cooling.

I have kept the results separate for the system in the UK and that in Spain as the filters are from different manufacturers and give slightly different magnitude values. I used the same set of comparison stars for both.

Files associated with this observation

SN2023ixf_28_Jun_ids.jpg (78.2 kB)

Like this image

Robin Leadbeater, Grant Privett, Dr Paul Leyland, Nick James

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