Solar film, does size make a difference?
- jrkirkham
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Solar film, does size make a difference?
I usually take sunspot pictures with a glass solar filter on my ED 80. There is only just so much one can see with a white filter. If I made a filter for my 11" SCT would it make much difference? If I made a white solar filter for my SCT would it be better to take up the whole aperture , or to make a smaller aperture like some of those moon masks have?
Rob
Telescopes: 50mm refractor, ED80 triplet, 90mm makcass, 10" dob, 8"SCT, 11"SCT
Mounts: Celestron CGX, Orion Sirius + several camera tripods
Cameras: Canon 6D, Canon 80D, ZWO-ASI120MC
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AL Projects Currently in Process: Double Stars, Comet, Lunar Evolution
Telescopes: 50mm refractor, ED80 triplet, 90mm makcass, 10" dob, 8"SCT, 11"SCT
Mounts: Celestron CGX, Orion Sirius + several camera tripods
Cameras: Canon 6D, Canon 80D, ZWO-ASI120MC
Binoculars: 10x50, 12x60, 15x70, 25-125x80
Observatory: SkyShed POD XL3 + 8x12 warm room
AL Projects Completed: Lunar #645, Outreach #0280, Universe Sampler #93-T, Binocular Messier #871, Messier #2521, Messier Honorary #2521, Constellation Hunter Northern Skies #112, Planetary Transit Venus #1, Galileo #26, Outreach Stellar 0280, Meteor Regular #157, Solar System Telescopic #209-I, Observer Award #1
AL Projects Currently in Process: Double Stars, Comet, Lunar Evolution
- Thefatkitty
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Re: Solar film, does size make a difference?
Hi Rob, hope I can help here....
From what I understand and have seen, the Baader solar film shows more detail than the glass filters. For visual, the 5.0 OD film is what you want, but if it's justAP , then I would go with the 3.8 (NOT for visual!).
I use a C80-HD for WL and a Canon camera. I made a filter from the 5.0 film for my 8"SCT , and hoped for more. Well, yes and no... No more detail in the Sun per se from a 3" to an 8", yet you can get some great magnification on specific regions. I used a whole sheet of 8.5" X 11", and made the aperture 6 inches. There was still a lot of black sky aroung the Sun; you might even get away with 4".
If you're looking for more detail without breaking the bank, might I suggest this: Baader Gen II Calcium K-Line Filter
Simple to use, a 1.25" filter in front of the camera and making the front 3.8 film filter is easy. And no, it's not aCa -K Quark or Lunt, but for the price point I personally couldn't be happier. Here in the Great White North that costed me just under $400 with tax, and a Ca -K Quark would run me a bit over $1300. The Lunt would be even more...
The first pic is WL from my C80, and the second is with theCa -K filter with my WO 61mm, both from Feb 4th of this year. BIG difference. That was the last pic I took in WL...
Your 80mm scope would do well with all this I'd bet. After that, it's Hydrogen-Alpha
All the best,
From what I understand and have seen, the Baader solar film shows more detail than the glass filters. For visual, the 5.0 OD film is what you want, but if it's just
I use a C80-HD for WL and a Canon camera. I made a filter from the 5.0 film for my 8"
If you're looking for more detail without breaking the bank, might I suggest this: Baader Gen II Calcium K-Line Filter
Simple to use, a 1.25" filter in front of the camera and making the front 3.8 film filter is easy. And no, it's not a
The first pic is WL from my C80, and the second is with the
Your 80mm scope would do well with all this I'd bet. After that, it's Hydrogen-Alpha
All the best,
Mark
"The Hankmeister" Celestron 8SE, orange tube Vixen made C80, CG4, AZ-EQ5 and SolarQuest mounts.
Too much Towa glass/mirrors.
Solar:
H/A - PST stage 2 mod with a Baader 90mm ERF on a Celestron XLT 102 (thanks Mike!)
Ca-K - W/O 61mm, Antares 1.6 barlow, Baader 3.8 OD and Ca-K filters with a ZWO ASI174mm.
W/L - C80-HD with Baader 5.0 & 3.8 Solar film, Solar Continuum 7.5nm and UV/IR filters with a Canon EOS 550D.
Member of the RASC
"The Hankmeister" Celestron 8SE, orange tube Vixen made C80, CG4, AZ-EQ5 and SolarQuest mounts.
Too much Towa glass/mirrors.
Solar:
H/A - PST stage 2 mod with a Baader 90mm ERF on a Celestron XLT 102 (thanks Mike!)
Ca-K - W/O 61mm, Antares 1.6 barlow, Baader 3.8 OD and Ca-K filters with a ZWO ASI174mm.
W/L - C80-HD with Baader 5.0 & 3.8 Solar film, Solar Continuum 7.5nm and UV/IR filters with a Canon EOS 550D.
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- Solsearcher
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Re: Solar film, does size make a difference?
My 2c worth
Just like night timeAperture rules . The larger aperture will bring better resolution and finer details to the eyepiece or camera . The brightness can be knocked down with a polarizing or other filters . Your eyepieces and barlows will control the field for you .
Just like night time
Solar scopes (Coronado Ha) 60mm double stack , 90mm double stack , 150mm single stack .
W/L scope Williams Optic Megrez 110mm / Lunt herschel wedge .
Night scope Celestron 9.25 XLT
Mounts HEQ6 , HEQ5 , Losmandy G8
W/L scope Williams Optic Megrez 110mm / Lunt herschel wedge .
Night scope Celestron 9.25 XLT
Mounts HEQ6 , HEQ5 , Losmandy G8
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