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Transit of Mercury in the Spicule Layer. Phil took this great image with his Quantum 6 Scope, Solar Spectrum etalon and PGR Camera.

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When I win the lottery

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skyhawk
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When I win the lottery

Post by skyhawk » Sat Apr 06, 2019 8:24 am

When I win the lottery
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Re: When I win the lottery

Post by christian viladrich » Sat Apr 06, 2019 10:42 am

Yes indeed :-)
They say it is a 300 mm refractor. I was wondering whether it could be an aspheric single lens, which would make sense.
I would like to test it ;-)
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Re: When I win the lottery

Post by marktownley » Sat Apr 06, 2019 11:49 am

Interesting scope! Not sure I would get one though - would need a serious mount to hold it, and some seriously good seeing to be able to make use of it. I think the price tag will be scary when it is released too.

If I was venturing up in aperture I would get a SCT and one of Valerys DERFs and then spend some serious money on a solar spectrum etalon, I think this route offers much better value for money.
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Re: When I win the lottery

Post by MalVeauX » Sat Apr 06, 2019 1:16 pm

Hrm,

Don't think I'd bite on this one. Looks more like something being custom made for an observatory or university or something. Way too expensive in my book for what it is I think. I imagine it will use an internal D-ERF and only be single wavelength on top of that. I wouldn't pay $100k+ for that. Maybe I'm wrong though. Who knows what the total package will be. To truly benefit a 300mm aperture, you have to be in an ideal location for seeing on the regular. This isn't for everyone's backyard at all. And if that is truly a 300mm lens, my [no religion please], it will need a truly crazy serious mount to handle.

I would however, gladly, get an i-Star Optical R30 Doublet, 250mm F11 refractor ($6.1k) in a truss build, with an Aires full aperture tri-band DERF, and then play around with PST etalons & maybe a Qunatum on the back of it, on a CEM120 maybe. Affordable for what it is and realistic. Still demanding on seeing, but doable. Plus an SSM of course.

Very best,

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Re: When I win the lottery

Post by Bob Yoesle » Sat Apr 06, 2019 2:02 pm

I think the price tag will be scary when it is released too.
A poster on CN stated it was "six figures," and this might be true given the cost of the LS230 (DS).
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torsinadoc
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Re: When I win the lottery

Post by torsinadoc » Sat Apr 06, 2019 3:30 pm

I believe it’s pressure tuned and weighs about 120#
Aires 150 ERF
Celestron 150/1200 refractor
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torsinadoc
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Re: When I win the lottery

Post by torsinadoc » Sat Apr 06, 2019 3:55 pm

pressure tuned ds. PC controlled
7B5702B2-3E4A-4E3D-9718-B31C35D58546.jpeg
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Aires 150 ERF
Celestron 150/1200 refractor
102 F/11 doublet
ZWO 174M 290 M
Lunt CaK 1800
Quantum PE .38
Avalon M Uno

https://www.astrobin.com/users/torsinadoc/

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Re: When I win the lottery

Post by Valery » Sat Apr 06, 2019 5:02 pm

This is a doublet lens 300mm F/7 with a huge spherochromatism at any wave length except the one it was optimized for.

One should be really crazy to pay 6-x digits money for such a telescope.

Righ now we making professional level 16" solar reflection telescope for one professional observatory in Radopy mountains (2100m above sea level) and this telescope will have full unwanted heat control and simultaneous images registration at four wave legths with the cost less than $50000. Also three telescopes with 14" apertures. And three instruments 12" and two 14" are already in use at amateur prices.


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Re: When I win the lottery

Post by marktownley » Sat Apr 06, 2019 7:09 pm

Valery wrote:
Sat Apr 06, 2019 5:02 pm
This is a doublet lens 300mm F/7 with a huge spherochromatism at any wave length except the one it was optimized for.

One should be really crazy to pay 6-x digits money for such a telescope.

Righ now we making professional level 16" solar reflection telescope for one professional observatory in Radopy mountains (2100m above sea level) and this telescope will have full unwanted heat control and simultaneous images registration at four wave legths with the cost less than $50000. Also three telescopes with 14" apertures. And three instruments 12" and two 14" are already in use at amateur prices.


Valery
I totally agree Valery.

For amateurs the 300mm Lunt is a gimmick scope. 6 figures price tag is crazy! I've no doubt some will be sold though.

I hope you will be able to trickle down some of the concepts and ideas involved in this build you are doing in the Radopy mountains. Simultaneous image registration at 4 wavelengths - c'mon, tell us more! ;)
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Lunt monster

Post by Piemme » Sun Apr 07, 2019 8:16 pm

Hi,
anybody knows something about this Lunt monster? Just introduced at NEAF 2019...
It’s a special refractor, I don’t know exactly. :shock:
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Re: When I win the lottery

Post by bart1805 » Sun Apr 07, 2019 9:24 pm

What a monster. Designed by Massimo Riccardi, known from Officina Stellare. The telescope will be great, wat is interesting is what the size of the etalon will be.

skyhawk
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Re: When I win the lottery

Post by skyhawk » Mon Apr 08, 2019 4:06 pm

I don't see why it would be 6 figures, my guess £25k - £35k
Just for info, if I ever come over as "blunt" or upset it is not intentional, I am AUTISTIC, I have Aspergers, and ADHD, Autism, so my apologies if I ever sound, unintentionally confrontational. Thank you

Esprit 120mm triplet refractor
Celestron Evolution Edge HD 8"
72mm Ed Skywatcher for Solar

SkyTee 2
Sky-Watcher SolarQuest
Gitzo Systematic Series 5

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Re: When I win the lottery

Post by MapleRidge » Sat Apr 13, 2019 10:59 pm

Hi all...

I saw this scope at NEAF and it looked odd to me...still does in the pics. Is it me, or is the scope 'flat' on the table (looks like the objective through focuser is not centred on the optical axis)?

Brian
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Re: When I win the lottery

Post by Christopher » Sun Apr 14, 2019 12:26 am

Brian
I believe they relaxed the struts so it would lie flatter. I wouldn’t want be around to see it roll off its perch :o

This is a one of a kind scope designed by a renowned optician. It belongs at 8,000 feet altitude in New Mexico. I’d love to have a peak. :beanie:
Christopher

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Re: When I win the lottery

Post by marktownley » Sun Apr 14, 2019 7:05 am

I don't know if people have seen it, CN is saying a price of $70k for the single stack version and $90k for the double stack version...
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Re: When I win the lottery

Post by george9 » Sun Apr 14, 2019 11:18 pm

Yes, I got an advertising email from Lunt with the prices and posted on CN. Not in the email but 5-inch etalons built on very thick plates so no obstructions, circular polarizer to reduce reflections. I won't be spending $90K, but very fun. Hope to look through it next year at NEAF. Too bad it wasn't quite ready because the seeing would have supported it on Saturday. Can you buy $81K in gift cards?

George

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Re: When I win the lottery

Post by Bob Yoesle » Mon Apr 15, 2019 1:19 am

Here's the skinny from Lunt:

https://mailchi.mp/luntsolarsystems/joi ... 657ad57360

Intriguing for the ability to do "full disc" imaging - which indeed would require very large etalons to keep the Jacquinot spot large enough... Also interesting that from above they are employing a CP between DS etalons instead of "filter glass" as with the LS80, etc.

Given the cost, this seems it would have "research grade" etalons of very high finesse as would be required for a research level institution. It therefore might not be useful to make a cost comparison to the consumer grade etalons typically available to the amateur community and used with larger aperture instruments.
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Re: When I win the lottery

Post by marktownley » Mon Apr 15, 2019 8:22 am

Thanks for the link Bob.

Using CPs between the etalons, I think they've been reading posts here on SC :lol: It's a bold claim it is the worlds best solar telescope, it's only 'good' if you are able to use it on a regular basis, and I think with 300mm aperture the ceiling of seeing conditions are going to be the biggest caveat for it.
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Re: When I win the lottery

Post by christian viladrich » Mon Apr 15, 2019 6:54 pm

For an instrument like this, it is strange they didn't use an aspheric singlet. The objective would have been twice lighter.

A slight correction regarding "the largest solar teelscope" :
- Valery is still having the lead with his C14 as the largest "Ha" amateur telescope ;-)
- Regarding white light solar observation, my friend Serge Deconihout has still the lead with his 435 mm refractor.
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Re: When I win the lottery

Post by Bob Yoesle » Wed Oct 23, 2019 1:28 pm

Just visited with Brian at Lunt where this telescope is located... an impressive instrument when seen up close and personal.

Objective has ERF coatings.

Middle section has a large tilted precision polished optical window with additional ERF coatings.

Open tube design in order to prevent build-up of heat and tube currents. Carbon fiber truss tubes to maintain accurate spacings.

Third ERF at the front of the end section ahead of the etalon module.

Internal double stacked 100 mm unobstructed etalons in separate pressure tuned cavities, separated by a professional quality (i.e. expensive) one - off custom made circular polarizer: collimator - etalon - window - CP - window - etalon - refocusing lens.

Apparently a state-of-the-art statement and research grade instrument - definitely not a "consumer grade" recreational solar instrument... Unfortunately it was not set up for viewing through. While insanely expensive, you have to hand it to Lunt for building such an instrument - you don't see this level of effort from any other solar OEM.
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Re: When I win the lottery

Post by MAURITS » Thu Oct 24, 2019 3:02 pm

Bob Yoesle wrote:
Wed Oct 23, 2019 1:28 pm
Just visited with Brian at Lunt where this telescope is located... an impressive instrument when seen up close and personal.

Objective has ERF coatings.

Middle section has a large tilted precision polished optical window with additional ERF coatings.

Open tube design in order to prevent build-up of heat and tube currents. Carbon fiber truss tubes to maintain accurate spacings.

Third ERF at the front of the end section ahead of the etalon module.

Internal double stacked 100 mm unobstructed etalons in separate pressure tuned cavities, separated by a professional quality (i.e. expensive) one - off custom made circular polarizer: collimator - etalon - window - CP - window - etalon - refocusing lens.

Apparently a state-of-the-art statement and research grade instrument - definitely not a "consumer grade" recreational solar instrument... Unfortunately it was not set up for viewing through. While insanely expensive, you have to hand it to Lunt for building such an instrument - you don't see this level of effort from any other solar OEM.
Impressief and excellent rapport Bob.
Regards,
Maurits

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