<p>According to <a href="http://www.skyandtelescope.com/observing/home/Bright-Supernova-in-M82-241477661.html">this website</a> the peak visible magnitude will be about 10.5 around February 2nd.
Earlier estimates had been a little brighter around the same date.</p>

CC BY-SA 3.0
2014-01-30T13:41:51.143Z
2014-01-30T15:16:37.707Z
2014-01-30T15:16:37.707Z
Gerald
<p>The <a href="http://www.aavso.org/lcg/plot?auid=000-BLG-310&amp;starname=PSN+J09554214%2B6940260&amp;lastdays=20&amp;start=2456674&amp;obscode_symbol=2&amp;obstotals=yes&amp;calendar=calendar&amp;grid=on&amp;visual=on&amp;r=on&amp;fainterthan=on&amp;bband=on&amp;v=on&amp;pointsize=1&amp;width=800&amp;height=450" rel="nofollow">AAVSO data</a> seems to indicate that it might have already peaked, at around 10.5 (visual).  The infrared is quite a bit brighter, partly because it penetrates dust better.  </p>

<p>Sky and Telescope says it peaked on Jan 31.</p>

CC BY-SA 3.0
2014-02-01T00:48:59.597Z
2014-02-01T15:08:53.147Z
2014-02-01T15:08:53.147Z
Howard A. Landman
<p>In retrospect, we now know that the peak brightness was indeed 10.5 during the first week of February, 2014:</p>

<p><a href="http://www.skyandtelescope.com/astronomy-news/observing-news/supernova-in-m82-passes-its-peak/" rel="nofollow">http://www.skyandtelescope.com/astronomy-news/observing-news/supernova-in-m82-passes-its-peak/</a></p>

CC BY-SA 3.0
2016-04-20T13:21:47.587Z
2016-04-20T13:21:47.587Z
EastOfJupiter
<ol>
<li>What is the expected maximum apparent magnitude of supernova SN 2014J?</li>
<li>When will it attain peak brightness?</li>
</ol>

<amateur-observing><supernova>
What will be Supernova SN 2014J's peak brightness?
Sheldon
# What will be Supernova SN 2014J's peak brightness?

(Asked by: username_0 on 2014-01-30)

1. What is the expected maximum apparent magnitude of supernova SN 2014J?
2. When will it attain peak brightness?

**Tags:** amateur-observing, supernova

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## 3 answers

### Answer by username_1 on 2014-01-30. Score: 5

According to [this website](http://www.skyandtelescope.com/observing/home/Bright-Supernova-in-M82-241477661.html) the peak visible magnitude will be about 10.5 around February 2nd.
Earlier estimates had been a little brighter around the same date.


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### Answer by username_2 on 2014-02-01. Score: 2

The [AAVSO data](http://www.aavso.org/lcg/plot?auid=000-BLG-310&starname=PSN+J09554214%2B6940260&lastdays=20&start=2456674&obscode_symbol=2&obstotals=yes&calendar=calendar&grid=on&visual=on&r=on&fainterthan=on&bband=on&v=on&pointsize=1&width=800&height=450) seems to indicate that it might have already peaked, at around 10.5 (visual). The infrared is quite a bit brighter, partly because it penetrates dust better.

Sky and Telescope says it peaked on Jan 31.


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### Answer by username_3 on 2016-04-20. Score: 1

In retrospect, we now know that the peak brightness was indeed 10.5 during the first week of February, 2014:

<http://www.skyandtelescope.com/astronomy-news/observing-news/supernova-in-m82-passes-its-peak/>


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