Prominences & Filaments | HA & CaK | Feb 9th 2020
- MalVeauX
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Prominences & Filaments | HA & CaK | Feb 9th 2020
Heya,
Another clear day, but the seeing was poor for my area typically. Regardless it supported the image scale (0.5"/pixel) in both wavelengths with lucky imaging. Took a look at today's prominences, some faint ones, and some nice dark filaments. No real noteworthy surface features today otherwise. Earth scales provided for the prominences. Most of them are on the Eastern limb quadrants. Both chromospheres represented, the lower & upper via Ha & CaK.
Colored:
Earth Scales:
B&W:
Seeing Data (SSM):
Equipment:
120mm F10 Frac
Baader Red CCD-IR Block Filter (D-ERF) + PST Etalon + 10mm BF + ASI290MM
Baader Blue CCD-IR Block Filter (D-ERF) + Lunt CaK 1200 + ASI290MM
Very best,
Another clear day, but the seeing was poor for my area typically. Regardless it supported the image scale (0.5"/pixel) in both wavelengths with lucky imaging. Took a look at today's prominences, some faint ones, and some nice dark filaments. No real noteworthy surface features today otherwise. Earth scales provided for the prominences. Most of them are on the Eastern limb quadrants. Both chromospheres represented, the lower & upper via Ha & CaK.
Colored:
Earth Scales:
B&W:
Seeing Data (SSM):
Equipment:
120mm F10 Frac
Baader Red CCD-IR Block Filter (D-ERF) + PST Etalon + 10mm BF + ASI290MM
Baader Blue CCD-IR Block Filter (D-ERF) + Lunt CaK 1200 + ASI290MM
Very best,
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
Hi Marty,
Good Close-Up images. Not much activity
Good Close-Up images. Not much activity
regards Rainer
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
Marty:
A very fruitful session.
Best regards,
Eric.
A very fruitful session.
Best regards,
Eric.
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
Nice work again.
Small question if you don't mind. Where exactly did you place the Blue CCD filter? The Lunt CaK module doesn't have any the possibility (at least mine doesn't) to thread it on.
Small question if you don't mind. Where exactly did you place the Blue CCD filter? The Lunt CaK module doesn't have any the possibility (at least mine doesn't) to thread it on.
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
All of them are delicious today Marty
Alexandra
Alexandra
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
Great Images ,as always Marty . Thanks for sharing them.
Martin
Martin
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
I put a 35mm 2" extension in front of it, with the filter threaded on there. Inserted the Lunt filter into that.
I'm thinking of disassembling the Lunt filter though. I consider it imaging only, so I don't need any of its protection filters, whatever is in there, or at least the visually protective filters. Just enough to protect the filter itself but otherwise, I'd love to get rid of anything not needed, to help increase transmission. It's ok as it is, but it's a wonky filter to use since it's so large and so long with it's 2" barrel and whatever is in it.
Very best,
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
That makes sense, thanks (couldn't make it out on the picture).MalVeauX wrote: ↑Mon Feb 10, 2020 11:22 am
I put a 35mm 2" extension in front of it, with the filter threaded on there. Inserted the Lunt filter into that.
I'm thinking of disassembling the Lunt filter though. I consider it imaging only, so I don't need any of its protection filters, whatever is in there, or at least the visually protective filters. Just enough to protect the filter itself but otherwise, I'd love to get rid of anything not needed, to help increase transmission. It's ok as it is, but it's a wonky filter to use since it's so large and so long with it's 2" barrel and whatever is in it.
Very best,
I was also quite surprised at the size of the Lunt CaK module when it arrived (or well, the 2" tube part that goes into the focuser at least). However, I'm not sure what purpose the silver filter (I'm sure you know what I'm referring to) on the front of the tube serves exactly. If it's just an ERF, then it shouldn't be an issue to remove it and replace it with whatever you want to use for that purpose. But if it's coated in some way to serve other purposes, then it might be tricky.
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
I don't know for sure what all the glass is in the filter (Lunt CaK), but I'm pretty sure most of it is ERF and ITF for energy handling and visual safety. The CaK filter itself is just a single filter at 2.4A. But I don't know enough about whats in it. I do want to remove anything not needed though. I'm sure some of it is purposefully there for visual safety but not needed for imaging purposes. I consider it an imaging only filter for me and will never look through it.JochenM wrote: ↑Mon Feb 10, 2020 12:35 pmThat makes sense, thanks (couldn't make it out on the picture).MalVeauX wrote: ↑Mon Feb 10, 2020 11:22 am
I put a 35mm 2" extension in front of it, with the filter threaded on there. Inserted the Lunt filter into that.
I'm thinking of disassembling the Lunt filter though. I consider it imaging only, so I don't need any of its protection filters, whatever is in there, or at least the visually protective filters. Just enough to protect the filter itself but otherwise, I'd love to get rid of anything not needed, to help increase transmission. It's ok as it is, but it's a wonky filter to use since it's so large and so long with it's 2" barrel and whatever is in it.
Very best,
I was also quite surprised at the size of the Lunt CaK module when it arrived (or well, the 2" tube part that goes into the focuser at least). However, I'm not sure what purpose the silver filter (I'm sure you know what I'm referring to) on the front of the tube serves exactly. If it's just an ERF, then it shouldn't be an issue to remove it and replace it with whatever you want to use for that purpose. But if it's coated in some way to serve other purposes, then it might be tricky.
Very best,
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
Marty,
Thanks for the view I couldn't get yesterday. Awesome resolution!
James
Thanks for the view I couldn't get yesterday. Awesome resolution!
James
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
Very nice images Marty!
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
Excellent edge shots - a treat for a Sun starved observer!
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Re: Prominences & Filaments | HA & CaK | Feb 9th 2020
Excellent work Marty!
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