halpha sun on 10 April

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stef41
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halpha sun on 10 April

Post by stef41 »

Hello to all,

no more spots than yesterday but still nice filaments on our star :)

At the fs60 with its sm40 double stack, glasspath x1.7, BF10 and zwo178mm on GP around 11:10 UT
S20220410-11h10UT-sm40DS-fs60-bf10-gpx1.7-asi178mm.jpg
S20220410-11h10UT-sm40DS-fs60-bf10-gpx1.7-asi178mm.jpg (1.21 MiB) Viewed 623 times
S20220410-11h11UT-sm40DS-fs60-bf10-gpx1.7-asi178mm.jpg
S20220410-11h11UT-sm40DS-fs60-bf10-gpx1.7-asi178mm.jpg (1.23 MiB) Viewed 623 times
cordially
stephane


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Re: halpha sun on 10 April

Post by marktownley »

Lovely disk Stephane, I was imaging at pretty much the same time as you.


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Re: halpha sun on 10 April

Post by Montana »

Absolutely beautiful :hamster: :bow made me smile :)

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Re: halpha sun on 10 April

Post by ffellah »

You captured that filament beautifully Stephane.

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Re: halpha sun on 10 April

Post by Radon86 »

stef41 wrote: Sun Apr 10, 2022 1:40 pm Hello to all,

no more spots than yesterday but still nice filaments on our star :)

At the fs60 with its sm40 double stack, glasspath x1.7, BF10 and zwo178mm on GP around 11:10 UT

cordially
stephane
Hi Stephane,
Nice photos Stephane. I am thinking of buying a Takahashi FS60 refractor. Which model do you have, what focal length is it? Do you use the focal reducer/flattener with it?
On a separate note, I was informed by some solar imagers that an achromat refractor could work for h-alpha wavelength.


Thanks.
Magnus


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Re: halpha sun on 10 April

Post by stef41 »

Boso36 wrote: Mon Apr 11, 2022 4:55 pm I am thinking of buying a Takahashi FS60 refractor. Which model do you have, what focal length is it? Do you use the focal reducer/flattener with it?
sorry, I just saw the question :)

it's an fs60 CB with a 355mm focal length, short tube
S20220501-sm40DS-fs60-bf10.jpg
S20220501-sm40DS-fs60-bf10.jpg (162.1 KiB) Viewed 522 times
for my full disk images, I use a glasspath x1.7 in addition which gives a resulting focal length of 365mm

I only use the focal reducer/flattener in deep sky ;)

Sincerely
stephane


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Re: halpha sun on 10 April

Post by TareqPhoto »

Wonder images and setup Stephane, great job!

Tareq


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