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Author Topic: Solar scope  (Read 1167 times)

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Offline ChrisLX200

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Solar scope
« on: 23:03:08, 21 April, 2016 »
I have on loan a PST modded solar scope (102mm) which I did some machining on, I was impressed by its performance and what I could see (fascinating to watch/image prominences) so I though I'd dip my toe and bought a s/h Solarmax II. I've not had much luck with clear nights - maybe I'll do better with sunny days? :-)

My scope:



The PST mod:



ChrisH
Chris Heapy - current: 10-Micron GM2000HPS-II U/P, G11/Gemini, TV NP127is, Altair 8" RC, TV Genesis SDF, TV Pronto, SW Equinox 80ED, 10" LX200, 12" f/5.4 Newt, Vixen 90mm.
Atik 490EX, Atik EFW, Baader LRGB filters, Astrodon 3nM NB filters, Lodestar, QHY5L-II all-sky, Canon 70D and 350D
Whirley Obs., MPC Code Z89

Offline Nomis Elfactem

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Re: Solar scope
« Reply #1 on: 06:56:03, 22 April, 2016 »
Which one did you get Chris ? I'm guessing the 60?

As you know I have the modded pst but I too am looking at getting a smaller one as I miss imaging the full disk and want to take one to the Eclipse in the USA next year. Did you look at the Lunts?

S.
Simon

Scopes: Astro-Tech AT-111EDT Triplet, TS65ED Quad, Orion ST80, Modded PST-90 Solar Scope, PST Cak (on loan)
Cameras: SXVF H694, Atik 16ic, Canon EOS 600d, DMK41, DMK21, QHY 5L-II (mono & colour)
Accessories: SX USB Filter Wheel, SX OAG, Baader LRGB Ha SI OII Filters, SharpSky Focuser
Mount: EQ6 (EQMOD), SW Star Adventurer, plus a lot (and I mean a lot) of other bits and pieces

Offline chris.bailey

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Re: Solar scope
« Reply #2 on: 07:44:08, 22 April, 2016 »
Nice! Its a lot of fun though the old girl has been a bit quiet of late.

Chris
LX200|ZS70|FSQ85|FLT110|Altair DF250RC|EQ6 Pro(Rowan Belt Mod)|ParamountMX
ATIK383L+/EFW2/OAG|Lodestar|Baader 36mm LRGBHaSIIOIII
Starlight Express SXVRH16/ONAG/FW|Lodestar X2|Baader 2" Filters
Starlight Express SXVRH814/ONAG/FW|LodestarX2|Baader 2" Filters
Lunt LS60PTBF1200|DMK41|Quark Chromo
Samyang 135mm f1.8

Offline ChrisLX200

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Re: Solar scope
« Reply #3 on: 09:50:18, 22 April, 2016 »
Which one did you get Chris ? I'm guessing the 60?

As you know I have the modded pst but I too am looking at getting a smaller one as I miss imaging the full disk and want to take one to the Eclipse in the USA next year. Did you look at the Lunts?

S.

Yes it's a 60mm single-stack Si. I'm in the process of modding a 60mm refractor for another PST mod (not for me) which will be significantly smaller than the modded one you see in the photo.

I did look at what was available and the Lunt might have been a better option - but new prices of the Lunt 60 are very high and more than I could justify. I really want to be able to use this scope remotely and automating the focusser and tuning lever is something of a challenge. The helical focuser should be easy (I hope!) because I can just attach a geared stepper with a rubber-faced wheel pressed against the ring. This can be arranged to slip before it can do any damage in the case of travel over-run. The lever tuning is more tricky and I have no strategy yet, but again whatever method used must have a clutch of sorts to allow for slip at the ends of travel - perhaps a servo or smaller stepper (with a forked articulated lever). When I tried imaging with the PST mod scope I had the laptop outside on the pier shelf and I couldn't see a damn thing in the bright sunshine! I had to put my black scope cover over the laptop (and my head) just to see the image ;-) This won't be a problem running remotely from the Obs though.

ChrisH
Chris Heapy - current: 10-Micron GM2000HPS-II U/P, G11/Gemini, TV NP127is, Altair 8" RC, TV Genesis SDF, TV Pronto, SW Equinox 80ED, 10" LX200, 12" f/5.4 Newt, Vixen 90mm.
Atik 490EX, Atik EFW, Baader LRGB filters, Astrodon 3nM NB filters, Lodestar, QHY5L-II all-sky, Canon 70D and 350D
Whirley Obs., MPC Code Z89

Offline ChrisLX200

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Re: Solar scope
« Reply #4 on: 09:57:11, 22 April, 2016 »
Nice! Its a lot of fun though the old girl has been a bit quiet of late.

Chris

Thanks Chris, I suppose there's always something going on though! I fancy trying to produce those animated prominence GIFs and I had considered using a small AZ tracking mount - then thought what about field rotation? That would make stacking and producing an animation covering a period of hours difficult I think. So for now I'll stick with the 10-Micron (one slightly over-mounted solar scope...).

ChrisH
Chris Heapy - current: 10-Micron GM2000HPS-II U/P, G11/Gemini, TV NP127is, Altair 8" RC, TV Genesis SDF, TV Pronto, SW Equinox 80ED, 10" LX200, 12" f/5.4 Newt, Vixen 90mm.
Atik 490EX, Atik EFW, Baader LRGB filters, Astrodon 3nM NB filters, Lodestar, QHY5L-II all-sky, Canon 70D and 350D
Whirley Obs., MPC Code Z89

Offline chris.bailey

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Re: Solar scope
« Reply #5 on: 10:00:29, 22 April, 2016 »
Chris

I used my MX a fair bit for Solar last year. Being well aligned it would keep the sun in the same spot all day. Makes animations so much easier

Chris
LX200|ZS70|FSQ85|FLT110|Altair DF250RC|EQ6 Pro(Rowan Belt Mod)|ParamountMX
ATIK383L+/EFW2/OAG|Lodestar|Baader 36mm LRGBHaSIIOIII
Starlight Express SXVRH16/ONAG/FW|Lodestar X2|Baader 2" Filters
Starlight Express SXVRH814/ONAG/FW|LodestarX2|Baader 2" Filters
Lunt LS60PTBF1200|DMK41|Quark Chromo
Samyang 135mm f1.8

 

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