Sketch ready:
Final drawing:

M 82 + SN 2014J

M 82 + SN 2014J

Drawing data

Object(s):
M 82 UMa GX
SN 2014J
Date(s) of observation:
2014.02.03/04. Kerepes
Place(s) of observation:
Kerepes
Telescope(s) used:
4" f/4 Newtonian (Dobson)
Enlargement(s) used:
67x (6mm Planetary)
Author / Observer:
Peter Kiss

Description

M 82 + SN 2014J drawing inverted into positive.
M 82 + SN 2014J drawing inverted into positive.

The supernova discovered by Steve Fossey and his students in M 82 on January 21. 2014 pretty much stirred up the community. Moreover it was discovered by chance during an undergraduate training course. As a further extra the supernova SN 2014J was of type Ia.

I couldn't wait to take a look at the new star as it is easily within reach of my small 4" Dobsonian. It reached its maximal brightness at 10.5mg on January 31. 2014. The sky finally cleared on the night of the 3rd of February so I managed to catch this little guest. The galaxy itself shows many details. Several knots and threads are visible in it. The bright knot left of the center is inhomogenious and the other knots are not without details either. The supernova is bright and very easy to see. This is my first supernova drawing.

Comparison with the photograph

M 82 + SN 2014J drawing using a 4
M 82 + SN 2014J drawing using a 4" Newtonian telescope (2014. February 3). Peter Kiss
M 82 + SN 2014J photograph by Attila Róbert Horváth and Gábor Szitkay using a 16
M 82 + SN 2014J photograph by Attila Róbert Horváth and Gábor Szitkay using a 16" Newtonian astrograph (2014. January 25). Credit: Attila Róbert Horváth and Gábor Szitkay. Source: tavcso.hu

The photo on the left was made by Attila Róbert Horváth and Gábor Szitkay using a 16" astrograph. The original photograph has been cropped and my inverted drawing rotated so that the photo and the drawing show a similar area of the sky.

I could see much less using the small Dobsonian as it is visible in the 16" photo. The red area around the core of the galaxy is obviously missing from the drawing. This can be due to the fact that the human eye is not sensitive to the H-alpha emision that causes the red color. Surprisingly the supernova SN 2014J (marked in the photo) is not blue like many other supernovae. The large amounts of interstellar dust in M 82 are at least partially responsible for this.

M 82 sketch I made under the sky by the telescope. The final drawing is based on this.
M 82 sketch I made under the sky by the telescope. The final drawing is based on this.

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