'First' solar light with a 400mm newton
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'First' solar light with a 400mm newton
I have uncoated a 400mm a few days ago.
At the first trial, the seeing was very bad.
On the second session, the seeing stabilized a bit around 10:45 for a short time.
Here a picture that we could call a 'first' light.
I'll do more trials with this new setup.
Alex
2022-08-09
Solar newton, D400, F5.6
Power mate x5, pushed to x6.6
0.081 Arsec/pixel
KLine
ASI174
Stack de 8
At the first trial, the seeing was very bad.
On the second session, the seeing stabilized a bit around 10:45 for a short time.
Here a picture that we could call a 'first' light.
I'll do more trials with this new setup.
Alex
2022-08-09
Solar newton, D400, F5.6
Power mate x5, pushed to x6.6
0.081 Arsec/pixel
KLine
ASI174
Stack de 8
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Re: 'First' solar light with a 400mm newton
Very nice first light!
Valery
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Re: 'First' solar light with a 400mm newton
Alex: it looks great ! Maybe you can share a photo of the setup...
Franco
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Re: 'First' solar light with a 400mm newton
" Go Big or go Home! "
Excellent resolution!!! I think you have the biggest solar telescope I have seen here yet.
The intergranular bright point lanes are visible!
James
Excellent resolution!!! I think you have the biggest solar telescope I have seen here yet.
The intergranular bright point lanes are visible!
James
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Re: 'First' solar light with a 400mm newton
Fantastic details.
I do not look at the sky with the eyes of an astronomer, but of a person looking for the beauty of nature.
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Re: 'First' solar light with a 400mm newton
Fantastic first light, Alex!
Looking forward to more images with this scope when the seeing allows!
Best regards,
Arne
Looking forward to more images with this scope when the seeing allows!
Best regards,
Arne
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Re: 'First' solar light with a 400mm newton
The former owner will recognize his scope.
The primary holder has been remade, the inner shade removed and the coating removed...
CS
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Re: 'First' solar light with a 400mm newton
Fantastic first light. I’m excited to see more images in the future.
Do I understand it that this was it not originally built for solar? Do you plan to use it for Ha?
Do I understand it that this was it not originally built for solar? Do you plan to use it for Ha?
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Re: 'First' solar light with a 400mm newton
Simply incredible!
Brian
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Re: 'First' solar light with a 400mm newton
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Re: 'First' solar light with a 400mm newton
Thats an outstanding image ALex!
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Re: 'First' solar light with a 400mm newton
Wonderful image and amazing setup!
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Re: 'First' solar light with a 400mm newton
Thank you all for your nice comments.
It is a home made scope, originally made for deep sky and planetary work.
It would be nice to use it for solar, but Ha with uncoated mirror will require exposure time of 25ms or more.
CS
Alex
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Re: 'First' solar light with a 400mm newton
I JUST HAD TO POST A REPLY TO YOUR FANTASTIC CAPTURE ALEX.
ABSOLUTELY ONE (IF NOT THE BEST) CAPTURE I HAVE EVER SEEN.
WHO HAS SAID THAT NEWTONIANS ARE NOT AS GOOD (OR EVEN SUITABLE) FOR SOLAR IMAGING ???
YOU HAVE PROVEN WHAT CAN BE DONE HERE.
THANKS FOR SHARING THIS INTERESTING CAPTURE AND THE MOUNTAIN-VIEW OF THE SCOPE
TERRY
ABSOLUTELY ONE (IF NOT THE BEST) CAPTURE I HAVE EVER SEEN.
WHO HAS SAID THAT NEWTONIANS ARE NOT AS GOOD (OR EVEN SUITABLE) FOR SOLAR IMAGING ???
YOU HAVE PROVEN WHAT CAN BE DONE HERE.
THANKS FOR SHARING THIS INTERESTING CAPTURE AND THE MOUNTAIN-VIEW OF THE SCOPE
TERRY
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Re: 'First' solar light with a 400mm newton
Alex,
You have me thinking about a full aperture solar filter for my Sky-Watcher 300mm F6. Seeing sucks so bad here though I don't know whether it would be worth the expense and effort though.
James
You have me thinking about a full aperture solar filter for my Sky-Watcher 300mm F6. Seeing sucks so bad here though I don't know whether it would be worth the expense and effort though.
James
Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
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Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
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Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces
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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
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Re: 'First' solar light with a 400mm newton
Alex: your 400mm Newtonian with stripped mirror made it as desktop image of my office computer .
You also gave me a good idea for another scope I have: Christian knows about it.
Franco
You also gave me a good idea for another scope I have: Christian knows about it.
Franco
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Re: 'First' solar light with a 400mm newton
One last question, Alex: how did you push the Powermate from 5x to 6.6x ?
Franco
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Re: 'First' solar light with a 400mm newton
Thank you all for your comments.
I must confess that the setup isn't easy; my last session was not good.
In order to check the magnification factor, I check the sun edge and use the 'circle' function of the still well serving 'iris'.
Here, the mag factor should be about 6.6.
If you check the barlow on the picture, you will see a significant distance to the camera.
CS
Alex