We're having quite a run of beautiful weather here, albeit a bit on the cold side with a covering of morning ground frost, so yet another opportunity for solar imaging this morning.
FDs again in Ha and Ca II K. The region that hasn't quite developed into a sunspot (still a collection of pores) is looking particularly bright in both lights and there are some nice proms to the east of this region. I decided to take a closer look using the 60, but with a 2.5x PM instead of the usual 1.5x Barlow. All imaged with a Basler acA2440-75 um.
Ca II K on a 72 mm refractor
20210412_CaK_FD_mono by Stuart Green, on Flickr
20210412_CaK_FD_colour by Stuart Green, on Flickr
...and Ha on the Lunt 60 (triple stacked). 1.5x Barlow.
20210412_Ha_FD_Mono by Stuart Green, on Flickr
20210412_Ha_FD_colour by Stuart Green, on Flickr
Here's the plage region with proms. Lunt 60 TS with 2.5 x PM
20210412_Ha_AR by Stuart Green, on Flickr
I tried with the 250mm RCT, but the seeing conditions were absolutely diabolical at the image scale used with this setup. Waste of time.
Thanks for looking.
Stu.
Monday Sun 12th April 2021
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Monday Sun 12th April 2021
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
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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Re: Monday Sun 12th April 2021
Very nice Stuart. The plage stands out very well in both your Ha and CaK images.
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
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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
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Re: Monday Sun 12th April 2021
Lovely captures Stu, sunny here but wasn't able to give the time today, life, lol. Thanks for sharing.
10ft x 6ft Solar RoR with Warm Room
Lunt 60mm Double Stack HA
80ed WL+ Lunt Hershal Wedge + Badder K-Line filter.
100mm AR + Lunt b1800 Ca-K module.
Neq6 Eq Mount.
2.7m Pulsar Dome.
11in Celestron SCT + White Light Filter.
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12inch OO Newtonian.
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Lunt 60mm Double Stack HA
80ed WL+ Lunt Hershal Wedge + Badder K-Line filter.
100mm AR + Lunt b1800 Ca-K module.
Neq6 Eq Mount.
2.7m Pulsar Dome.
11in Celestron SCT + White Light Filter.
70mm AR Stellavue.
12inch OO Newtonian.
Eq8 r Pro Mount.
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Re: Monday Sun 12th April 2021
Very nice Stu! These look good. I'm hoping for some clear skies and good seeing very first thing fingers crossed!
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Re: Monday Sun 12th April 2021
Many thanks, everyone. Back to a covering of cloud today
Stu
Stu
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
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/