How to find the M106 Galaxy in the Canes Venatici Constellation
In this article I want to show you how to find M106 galaxy and what is great about it, since it comes from an interesting part of the night sky below Ursa Major and above the small Canes Venatici constellation. As there are five Messier galaxies and also a number of smaller galaxies in this region of the night sky.
As Ursa Major is a circumpolar constellation, it is always visible throughout the year, making it a great area of the night sky for northern observers. In fact, I have already covered this area of the night sky in articles such as the M51 galaxy, but let us get back to M106.
Click to enlarge the M106 star chart |
So, to find the M106 galaxy I would recommend finding the
Gamma Ursa Majoris star located in the bottom corner of the Big Dipper or the
Plough and then head towards the bright star Cor Caroli in the Canes Venatici
constellation. Now as you head towards Cor Caroli look for a bright star along
the route. You need to stop here then head down to a small bright star nearby
once there you should be able to head about halfway between these two stars to
locate the M106 galaxy.
In dark skies, you can see it with a pair of binoculars in
good conditions, but I used my 9 x 50 finder scope which is pretty much the
strength of a standard pair of binoculars and could not see it. I can confirm
that we will need particularly dark skies to observe this in binoculars.
M106 is the site of galactic fireworks caused by shock waves
and a supermassive black hole; the shock waves are heating up a large reservoir
of gas equal to about 10 million suns. The waves in the gas are believed to be
caused by jets of energy generated by the galaxy's black hole striking the
galaxy's disk. The waves then heat up the gas to temperatures of thousands of
degrees.
Black hole jets are thought to have heated up the gas and
ejected it from the galaxy's disk. It is likely that the remaining gas will be
ejected by M106 in the next 300 million years, since the galaxy has already
expended most of its gas. In other words, unless it can replenish the gas
somehow, the number of stars that can be formed in the M106 galaxy will be
reduced.
To see what this galaxy will look like through your
telescope as well as a long exposure image of M106.
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