Hi,
catched this today in the morning at the west limb, sadly seeing was not very cooperative. The prominence was extremely bright for calcium k terms.
Seems to be the next active area preparing for stage.
Nice Weekend and Cs
Dennis
12.5.24: Something is coming around the corner - interesting Ca-k prom
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Dennis
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12.5.24: Something is coming around the corner - interesting Ca-k prom
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Triband C9.25
H-a: 2x Lunt40 rear mounted
WL: Antlia 500nm/ 3nm, 393 nm/ 3nm
Ca-K: homebrew (includes 2x 1.5A filters, thanks Apollo), corrective lenses (thanks again Apollo)
Cameras: imx432 + imx462
Barlows:
-2x Gerd Düring 2.7x
-2x TMB 1.8x
H-a: 2x Lunt40 rear mounted
WL: Antlia 500nm/ 3nm, 393 nm/ 3nm
Ca-K: homebrew (includes 2x 1.5A filters, thanks Apollo), corrective lenses (thanks again Apollo)
Cameras: imx432 + imx462
Barlows:
-2x Gerd Düring 2.7x
-2x TMB 1.8x
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FRAZ
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
Now that gave me an unexpected reaction.
Probably the best calcium image I have ever seen and up there regardless of band.
Thanks for that,
Fraser
Probably the best calcium image I have ever seen and up there regardless of band.
Thanks for that,
Fraser
Stage 2 mod completed @ 100, 127.
Istar 228 arrived, building the frame slowly while learning cnc.
Istar 228 arrived, building the frame slowly while learning cnc.
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christian viladrich
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
Very nice perspective. Well done Dennis !
Christian Viladrich
Co-author of "Planetary Astronomy"
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
That really is excellent Dennis!
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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MapleRidge
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
Superb catch Dennis...well done 
Brian
Brian
Brian Colville
Maple Ridge Observatory
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Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
Maple Ridge Observatory
Cambray, ON Canada
Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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DeepSolar64
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
You mean east limb, right? I noticed a big outburst there on the SOHO LASKOC2 images this morning!
James
James
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Celestron NexStar 102GT with Altair solar wedge
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Dennis
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
Yes James, i think you are right. But why is it called east limb, when its on the western side from our perspective? Im a bit confused ^^DeepSolar64 wrote: ↑Wed May 15, 2024 3:22 am You mean east limb, right? I noticed a big outburst there on the SOHO LASKOC2 images this morning!
James
Triband C9.25
H-a: 2x Lunt40 rear mounted
WL: Antlia 500nm/ 3nm, 393 nm/ 3nm
Ca-K: homebrew (includes 2x 1.5A filters, thanks Apollo), corrective lenses (thanks again Apollo)
Cameras: imx432 + imx462
Barlows:
-2x Gerd Düring 2.7x
-2x TMB 1.8x
H-a: 2x Lunt40 rear mounted
WL: Antlia 500nm/ 3nm, 393 nm/ 3nm
Ca-K: homebrew (includes 2x 1.5A filters, thanks Apollo), corrective lenses (thanks again Apollo)
Cameras: imx432 + imx462
Barlows:
-2x Gerd Düring 2.7x
-2x TMB 1.8x
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Carbon60
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
That’s a superb Calcium image, Dennis.
This explains the east-west paradox:
https://earthsky.org/sun/east-and-west- ... %20Earth's.
Stu.
This explains the east-west paradox:
https://earthsky.org/sun/east-and-west- ... %20Earth's.
Stu.
H-alpha, WL and Ca II K imaging kit for various image scales.
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More images at http://www.flickr.com/photos/solarcarbon60/
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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DeepSolar64
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
The typical diagonal flips east and west too. North and south are correct.
Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
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
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
Visual Observer
" Way more fun to see it! "
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
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
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
Visual Observer " Way more fun to see it! "
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ffellah
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Re: 12.5.24: Something is coming around the corner - interesting Ca-k prom
Very, very bright for CaK. Nice catch, Dennis !
Franco
Franco