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Author Topic: Solar filters?  (Read 1162 times)

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Offline Andreharview

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Solar filters?
« on: 20:58:27, 08 January, 2012 »
What different solar filters can you get?
Andre :-).
Scope: Skymax 150.
DSLR: Canon 600D

Offline Merlin66

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Re: Solar filters?
« Reply #1 on: 21:48:00, 08 January, 2012 »
Baader Solar Film ( Aso used in the AstroZap filters)
1000 Oaks glass filters
JMB glass filters
There's another Americam film - can't remember the name - Just remembered....Seymour
or
for refractors you can use the Herschel wedge instead of an aperture filter.
C11, C9.25 SCT, 4" Genesis, NEQ6pro, modded 1000D,  ATik314L+, DMK41AF04, SM60DS/BF15, and Spectroscopes (many!).
http://tech.groups.yahoo.com/group/astronomical_spectroscopy/
"Astronomical Spectroscopy for Amateurs", "Grating Spectroscopes-How to Use them" -Springer

Offline Andreharview

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Re: Solar filters?
« Reply #2 on: 21:52:23, 08 January, 2012 »
Cheers for the reply.. Witch are the ones that you can see surface detail with?
Andre :-).
Scope: Skymax 150.
DSLR: Canon 600D

Offline Nomis Elfactem

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Re: Solar filters?
« Reply #3 on: 21:56:19, 08 January, 2012 »
Andre - in principle there are two types.. the first is "white light" and this is where Neutral Density filters are used to significally reduce the amount of visible light you see to such an extant that solar surface detail is seen.  The second type is Narrow Band and for solar work these are two main types - Ha (Hydrogen Alpha) and CaK (Calcium K line).

Regarding specific filters... obviously there are a number of White Light filter providers (Baader, Thousand Oaks etc etc) and then with Ha there's the PST or the Solar Max scopes up to the Daystar filters and CaK is done mainly by Colorado or Lunt.

All the filters above show surface detail just at different depths and wavelengths and different types of detail !

Hope that helps... are you looking for anything specifically?

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 Andreharview

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Re: Solar filters?
« Reply #4 on: 22:11:44, 08 January, 2012 »
No that's perfect, that's what I wanted to know the different wavelength.. I just didn't know lol.

Cheers!!
Andre :-).
Scope: Skymax 150.
DSLR: Canon 600D

 

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