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Bresser Messier NT150S / 750

Reflectors Deep Sky
Fast Newtonians •5 replies•94 views
Pariah avatar
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I'm thinking of getting one for imaging, with my 533MM or MC Pro

Anybody using one? They seem quite well made from what I can tell, and have a low expansion glass mirror.

I'll likely pair it up with a Explore Scientific CC if I do.  Should give me a fairly fast DSO imaging set up at f5

Interested to hear any feedback from users
Dave Bloomsness avatar
Dave Bloomsness avatar
I don't have the scope, but I do have the Explore Scientific HRCC. If that is the one you are looking at, you might want to know that it will extend your back focus by about 2 inches. I also have the Sharpstar CC which not only cost less, but I think it does a better job without adding a lot to your back focus.

My 2 cents.

Dave
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Pariah avatar
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Dave Bloomsness:
I don't have the scope, but I do have the Explore Scientific HRCC. If that is the one you are looking at, you might want to know that it will extend your back focus by about 2 inches. I also have the Sharpstar CC which not only cost less, but I think it does a better job without adding a lot to your back focus.

My 2 cents.

Dave


Thanks Dave, yes it's the HRCC 2. I'll look up the Sharpstar CC, is that the 0.95x CC? My only concern there is that the focuser tube may project inside the tube
Dave Bloomsness avatar
Dave Bloomsness avatar
Most of the Coma Correctors have long tubes. But you might be right, the HRCC having to extend out farther might be better on a 150mm scope.  What I did when I use the HRCC, I cut a 2" spacer out of 2" id pvc pipe and use it as a spacer. Even with that on there's still enough CC tube for the focuser to clamp onto.

Good luck,

Dave
Thanks Dave, yes it's the HRCC 2. I'll look up the Sharpstar CC, is that the 0.95x CC? My only concern there is that the focuser tube may project inside the tube
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Pariah avatar
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There are two good reviews online, one is from the BBC (old) and the other from Backyard Astro

The BBC SAN is more visual, their imaging is pretty basic:

https://www.skyatnightmagazine.com/reviews/telescopes/bresser-messier-nt-150s-reflector

The Backyard astro is quite complimentary, although he used a reducing CC which resulted in the focus drawtube projection

https://www.backyardastro.org/topic/448-bresser-messier-nt-150s750/


Looking at the photos, and reading online, it seems a step up from the Skywatcher tin pot junk. I might take a chance on this
Dave Bloomsness avatar
Dave Bloomsness avatar
It looks like a good scope. A lot of people (myself included) tend to go for larger apertures, which require more expensive mounts and are a bit harder to handle, especially when you are not permanently mounted. I find, while browsing AstroBin, that scopes in the 150mm aperture range give excellent results. I'm getting older and as of late have been contemplating downsizing from my 10" scopes.

I look forward to seeing your results once you get setup.

Dave
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