Large prom NE limb 04/08/22 90mm refractor!
- Radon86
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Large prom NE limb 04/08/22 90mm refractor!
Hi all,
On a day with quite good seeing, I managed to get my 90mm F10 refractor working on my Quark +ASI174mm camera on a EQ3-2 Pro mount.
Quick processing in AS!3 and Imppg only. Here is the prom and another one with some disc detail and active region, in the North East limb.
A single video file taken, not separate disc and prom videos in Firecapture. Approx 11.30 to 11.30am BST on 4th August 2022
10% of 1000 frames: 16 bit SER format
Focus obtained at : Diagonal +43mm on focus tube for visual
Focus obtained at: Diagonal +38mm for imaging (ASI174mm) : no newton rings seen, no tilt adaptor or flats needed for calibration!
Magnus
On a day with quite good seeing, I managed to get my 90mm F10 refractor working on my Quark +ASI174mm camera on a EQ3-2 Pro mount.
Quick processing in AS!3 and Imppg only. Here is the prom and another one with some disc detail and active region, in the North East limb.
A single video file taken, not separate disc and prom videos in Firecapture. Approx 11.30 to 11.30am BST on 4th August 2022
10% of 1000 frames: 16 bit SER format
Focus obtained at : Diagonal +43mm on focus tube for visual
Focus obtained at: Diagonal +38mm for imaging (ASI174mm) : no newton rings seen, no tilt adaptor or flats needed for calibration!
Magnus
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Re: Large prom NE limb 04/08/22 90mm refractor!
Very nicely shown! It’s now a filaprom.
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Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
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Re: Large prom NE limb 04/08/22 90mm refractor!
Great shots!
Warren
Lunt LS60T DS
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https://www.astrobin.com/users/rigel123/
Lunt LS60T DS
Orion ED80T CF
Meade ETX LS6
Lunt CaK BF1200
Lunt WL Wedge
Baader Photographic Film
ASI174MM
Skyris 236M
Player One Saturn-M SQR
https://www.astrobin.com/users/rigel123/
- Radon86
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Re: Large prom NE limb 04/08/22 90mm refractor!
Thanks guys for all your comps and comments. Its very much appreciated.
I only had a few minutes before the cloud came back so it was nice to get some quite good captures !
90mm refractor looks ok ! for solar work.
Magnus
I only had a few minutes before the cloud came back so it was nice to get some quite good captures !
90mm refractor looks ok ! for solar work.
Magnus
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Re: Large prom NE limb 04/08/22 90mm refractor!
Superb images Magnus you were lucky to get a catch
Alexandra
Alexandra
- Radon86
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Re: Large prom NE limb 04/08/22 90mm refractor!
Thanks Alexandra !
I think I was extremely lucky. It was cloudy and I only had a few minutes to get it. I may not get a better image for the next 10-15 years !
Magnus
I think I was extremely lucky. It was cloudy and I only had a few minutes to get it. I may not get a better image for the next 10-15 years !
Magnus
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Re: Large prom NE limb 04/08/22 90mm refractor!
Wow that's amazing imaging
H alpha : ,Skywatcher 100mm F10 open frame refractor, a tilted 2" 7nm H-alpha filter as a sub energy rejection filter, Baader TZ4 telecentric focal extender, Player One energy rejection filter, Combo Quark Chromosphere, Naked PST etalon for double stacking, ASI74mm camera
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