Solar B
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Posts posted by Solar B
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1 hour ago, Sunshine said:
That is a pretty scope, looks very well built, have fun with it! i see the skywatcher 80 has been replaced and is now lonely amongst other bits on your desk.
Cheers , it's no Tak / T.V build wise but good 😃 , there,s an ST120 & 150 hiding there
(refractors all over the place) but it's the HA etalon stuff that gets hidden away.
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I believe that you can only find out
what you are going to really like via
trial and error / many of us have gone
through vast amounts of equipment
and are still not satisfied 😂
Brian
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Just some fun that’s all no review 😄
Brian
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Using a full aperture ERF is more of an advantage for imagers as there would
undoubtedly be some internal OTA turbulence during extended imaging sessions
with just an internal one.
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I’ve no experience of such BD with
Lunt 100s ... I suspect however the
full aperture 100mm external etalon
in combination with the internal one
may have the edge over the 2 internals
etalons.
Brian
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I believe your enquiring about the differences between possible DS options
Option 1. One internal and one external etalon
Option 2. Two externally mounted etalons
Option 3. Two internal etalons
As I understand it the ultimate DS preference is to use 2 external etalons
I have no experience of such , but do use a factory matched 60DS from time to time
which I like as it only uses one external ERF.
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I'm still surprised as the D-ERF is still highly regarded , I hail from the days of
the C-ERF but I know your not imagining your experiences so yes indeed
Take nothing for granted with solar telescopes! Let's be very careful out there!!
Wise words !
Brian
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Rusted .. sorry to hear of your over heating issues ... I must confess that I'm surprised
your internal 90mm D-ERF did not cope with the heat even at 150mm with which I
have experience of but glad you've opted for the safest option of a full aperture filter
given it's advantages of no internal OTA turbulence ect
Brian
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Looks outstanding ☀ well done , give me a day and I'll read it all and get back 😊
Brian
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I guess it depends what you mean by performance Peter ?
I tend to judge it by bandwidth , that is I much prefer a good 0.5A view (or lower)
over magnification , you can't beat a nice contrasty detailed full disk image imho
I wish Joe well with his new 90III
Brian
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Hello Joe , congrats on the recent acquisition , I was wondering how your getting
on with it , and some pics would be nice 👍
When I first got my first PST in 2005 I'm sure a DS 90 was about £9k , but we all on
the side of the Atlantic are never privy to any of the Coronado sales.
Brian
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On 21/02/2020 at 09:12, daslolo said:
how do you like the Scout after a month?
It's probably a little early yet given the weather here , perhaps around May 🙄
What may i ask are you doing with the PST etalon ?
Brian
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Have they pure CaF² Objectives ?
Brian
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I'd try both side by side , the wedge / 80mm combo will almost certainly be
sharper.
Brian
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Just the same really but they're plugging the fact that the OTAs can be used day or night ect ....
modular is the catch word.
Brian
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Just the same really but they're plugging the fact that the OTAs can be used day or night ect ....
modular is the catch word.
Brian
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And that ones used ... $30K new is usually £30K by the time it's gets over here
they are DS though 🌞
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No idea what your on about Peter 😀
http://apm-telescopes-englisch.shopgate.com/item/333631383036
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That's a blast ... 🌞 I have seen a couple of good mods from using an SM60II rear
etalon assembly the same has also been completed with Lunt LS60s , whilst I do
like mods (looking into one again myself) they can be quite cumbersome and fiddly
plus often as not they look ghastly 😊.
Brian
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No idea if it's new or not but you've got to love the Altair colours 😎
https://www.harrisontelescopes.co.uk/acatalog/altiat-tripier-green.html#SID=571
Brian
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Primaluce Lab from FLO .... certainly looks a secure option
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Here's another link to the Rayox saddle , incase you couldn't see the link on
my CN account ... It looks superb (the CN review was great)
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https://www.cloudynights.com/articles/cat/user-reviews/rayox-saddle-review-r3093
Tis this one I was thinking of , if you consider the cost of some OTAs it's a worthy
investment ... but it won't respond to a voice command 😀
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I’m sure I saw something on CN
a few years back about a motorised one ?
Some Colourful F11 Fun 😄🤡🔭
in Discussions - Scopes / Whole setups
Posted
So do I 😊 , I've no idea what i,m going to do with it , bought it gung ho to try making an
attractive PST mod but I'm not so sure now 🤔