Solar Minimum Sunshine 9th February
- marktownley
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Solar Minimum Sunshine 9th February
Saturday morning was one of those race against time mornings. I woke far too early - Mrs Townley was not impressed, either way I enjoyed watching it get light with a mug of coffee. I could see on SAT24 that it was clear (then), but also cloud was coming fast. I set up with the SM90 and the PGR GH3 ICX814, and by then it was a case of pressing the stop start button in Firecapture to avoid the scudding clouds.
Ha-FD.composite-bw by Mark Townley, on Flickr
Ha-FD.composite-colour by Mark Townley, on Flickr
Nothing to see here, move along... Saturdays disk is fairly typical of a solar minimum sun - the disk looks blank. There is a small region of very decayed plage from active regions several rotations ago but that it is it on the surface. The proms were the star of the show, and looked fantastic through the SM90 with an 18mm Coronado Cemax eyepiece. This image is a composite disk / proms shot with the PGR GH3 ICX814 camera. Poor seeing and haze were the order of the morning to give imaging that extra challenge, but it is nice to see the sun rising higher and higher in the sky with each passing week. Wonder how long these conditions will last until we see the signs of cycle 25 becoming more predominant and obvious in the solar northern hemisphere?
Ha-FD.composite-bw by Mark Townley, on Flickr
Ha-FD.composite-colour by Mark Townley, on Flickr
Nothing to see here, move along... Saturdays disk is fairly typical of a solar minimum sun - the disk looks blank. There is a small region of very decayed plage from active regions several rotations ago but that it is it on the surface. The proms were the star of the show, and looked fantastic through the SM90 with an 18mm Coronado Cemax eyepiece. This image is a composite disk / proms shot with the PGR GH3 ICX814 camera. Poor seeing and haze were the order of the morning to give imaging that extra challenge, but it is nice to see the sun rising higher and higher in the sky with each passing week. Wonder how long these conditions will last until we see the signs of cycle 25 becoming more predominant and obvious in the solar northern hemisphere?
http://brierleyhillsolar.blogspot.co.uk/
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- Christopher
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Re: Solar Minimum Sunshine 9th February
Mark,
The proms look great and you captured that decayed AR very nicely. Glad to see you’re getting a little sky time again.
The proms look great and you captured that decayed AR very nicely. Glad to see you’re getting a little sky time again.
Christopher
"Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which 'are' there.". -Feynman
"Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which 'are' there.". -Feynman
- marktownley
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Re: Solar Minimum Sunshine 9th February
Thanks Christopher, if the weather is obliging i'm now able to get back into solar observing on a weekend if the skies are clear...
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Re: Solar Minimum Sunshine 9th February
Good result Mark, good to see the Sun is high enough (just) for you to start imaging again.
David
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Re: Solar Minimum Sunshine 9th February
Nice images there Mark, clearly a slow sun
Pedro Re'
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Re: Solar Minimum Sunshine 9th February
Hi Mark: good results, the 814 camera seems to be working well with the SM90.
With that size pixels, can it also be used with the HaT, maybe with the 0.7 focal reducer ?
Franco
With that size pixels, can it also be used with the HaT, maybe with the 0.7 focal reducer ?
Franco
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Re: Solar Minimum Sunshine 9th February
Mark:
A very nice session, clean and sharp FD´s
It is very annoying to pause and start every time a cloud passes by.
Best regards,
Eric.
A very nice session, clean and sharp FD´s
It is very annoying to pause and start every time a cloud passes by.
Best regards,
Eric.
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Re: Solar Minimum Sunshine 9th February
That's a great full disc Mark, fantastic proms I remember at the start of solar cycle 24 you were one of the first people to catch a massive prom on the Sun, wasn't it used on Spaceweather or NASA or something?
Alexandra
Alexandra
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Re: Solar Minimum Sunshine 9th February
Hi Mark...
Great capture with the proms making up for the slow disk activity
The new scope and camera certainly make a great pair!!!
Brian
Great capture with the proms making up for the slow disk activity
The new scope and camera certainly make a great pair!!!
Brian
Brian Colville
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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
- marktownley
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Re: Solar Minimum Sunshine 9th February
Thanks all! Yes, I remember that prom Alexandra, although I was just looking through my website and there were quite a few big proms at the start of 24....
http://brierleyhillsolar.blogspot.co.uk/
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Re: Solar Minimum Sunshine 9th February
That’s a very nice disk, Mark.
Stu.
Stu.
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
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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/
- marktownley
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Re: Solar Minimum Sunshine 9th February
Thanks Stu.
A closeup of the relic active region, SM90, 2.5x barlow and PGR Blackfly IMX249 camera.
ha-close-bw by Mark Townley, on Flickr
ha-close-colour by Mark Townley, on Flickr
A closeup of the relic active region, SM90, 2.5x barlow and PGR Blackfly IMX249 camera.
ha-close-bw by Mark Townley, on Flickr
ha-close-colour by Mark Townley, on Flickr
http://brierleyhillsolar.blogspot.co.uk/
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Re: Solar Minimum Sunshine 9th February
Your SM90 rocks, Mark. Pretty amazing for a single stack.
Franco
Franco
- marktownley
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Re: Solar Minimum Sunshine 9th February
Thanks Franco, I probably won't use it with the HaT even down at f22. 9fps is way too slow at that scale, it works for full disks but hi res needs a higher cadence.
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!