I was reading about M87 and how it is possible to see it's relativistic jet with an amateur telescope.

About a year ago i impulse-bought a telescope (model: Celestron CE21049 powerseeker 127EQ).

I'm not an expert and do not really understand how i should calculate if i will be able to see it or not.

I live in northern italy, my zone is really light polluted but i usually can see mars, venus, saturn with it's rings and jupiter with some of it's moons.

I can get to a location where, with naked eye, can see faintly the milky way, so i think that's a good start. There will also be the problem of where to point the telescope, but i think i can manage.

So, will i be able to see something other than a light dot in the sky?

And in the future, how to go about calculating if an object si visible with my current setup?


If you manage to collimate it then that telescope should show you, under dark skies, a fuzzy light patch which is the core of the galaxy. You won't be able to see the jet with that telescope, that needs a much higher aperture.

I'm sorry to tell you this, but the telescope you bought is notorious for being not very good. The powerseeker line has a whole sub-reddit devoted to it

  • 1
    $\begingroup$ converting comment to answer $\endgroup$
    – James K
    Jun 7 at 19:03
  • $\begingroup$ Thanks James, I'll delete my comments now $\endgroup$
    – Aaron F
    Jun 7 at 20:22
  • $\begingroup$ Yeah i impulse bought it without doing much research, but i think that for the price is not that bad. I will give it a try! $\endgroup$
    – Yeeter
    Jun 8 at 7:10
  • $\begingroup$ @Yeeter that's the spirit! Any telescope is better than no telescope, after all. Be aware that, if you have trouble collimating it, low-power views don't need the collimation to be as good as high-power views do; so enjoy what you can get out of it. Also be aware that an EQ mount can be turned into an Alt/Az mount simply by setting the longitude to 90°, and that way might be easier to get started. Have fun! $\endgroup$
    – Aaron F
    Jun 8 at 17:54

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