Sun FD in H-Alpha 12th of November 2021

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arnedanielsen
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Sun FD in H-Alpha 12th of November 2021

Post by arnedanielsen »

Dear friends,

Only managed to image in H-Alpha during the short period from the Sun cleared some local obstacles to the clouds moved in. No time for flats either so had to reuse the flats from last session.

Solar altitude 6,5 degrees.

FD image in H-Alpha using a Coronado 60mm/BF15 w/Beloptik ITF, stopped down to 50mm, Baader 35nm H-Alpha and ASI 178mm mounted on a SkyWatcher SolarQuest.
Sun60FD_095212_Ha_20211112_ZWO ASI178MM(53096324)_lapl4_ap3733_out_Contrast_resize.jpg
Sun60FD_095212_Ha_20211112_ZWO ASI178MM(53096324)_lapl4_ap3733_out_Contrast_resize.jpg (356.52 KiB) Viewed 394 times
Sun FD in H-Alpha 12th of November 2021

Sun60FD_095212_Ha_20211112_ZWO ASI178MM(53096324)_lapl4_ap3733_out_Contrast_Colorized_resize.jpg
Sun60FD_095212_Ha_20211112_ZWO ASI178MM(53096324)_lapl4_ap3733_out_Contrast_Colorized_resize.jpg (373.14 KiB) Viewed 394 times
Sun FD in H-Alpha 12th of November 2021 - Colorized



Click on links to view full size images.

Thanks for looking and best regards,
Arne


Best regards,
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Re: Sun FD in H-Alpha 12th of November 2021

Post by Ivan »

Incredible 6.5 degrees and such a great disk! Arne, what was the temperature at the time of filming?

Ivan


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Re: Sun FD in H-Alpha 12th of November 2021

Post by eroel »

Arne:
Super shots, specially when taken at that solar altitude.
Best wishes.
Eric.


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Re: Sun FD in H-Alpha 12th of November 2021

Post by MAURITS »

Great images Arne.


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Maurits

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Re: Sun FD in H-Alpha 12th of November 2021

Post by Montana »

That' s a beauty!! :bow :hamster: that's a very low angle, it is a pain at this time of the year when trying to drive, the Sun is always in your eyes (if it is out that is).

Alexandra


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Re: Sun FD in H-Alpha 12th of November 2021

Post by Carbon60 »

I always admire your crisp, clean, uniform Ha FDs, Arne. Nicely done.

Stu.


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Re: Sun FD in H-Alpha 12th of November 2021

Post by arnedanielsen »

Thank you so much Ivan, Eric, Maurits, Alexandra and Stu for your kind comments!

Ivan: The temperature was a pleasant 2 degrees C.

Eric: I was hoping to image the Sun closer to noon for a slightly higher solar altitude, but in came the clouds :-(

Alexandra: Yes, a low Sun can be challenging when driving. A clean front window is an absolute must!

Stu: Your images, along with others on this forum, has been of great inspiration!

Best regards,
Arne


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Re: Sun FD in H-Alpha 12th of November 2021

Post by rigel123 »

Excellent disk Arne, particularly at that altitude!


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Re: Sun FD in H-Alpha 12th of November 2021

Post by ffellah »

Beautifully done in challenging conditions, Arne.

Franco
Last edited by ffellah on Wed Nov 17, 2021 11:42 am, edited 1 time in total.


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Re: Sun FD in H-Alpha 12th of November 2021

Post by Ivan »

arnedanielsen wrote: Sun Nov 14, 2021 11:12 am Thank you so much Ivan, Eric, Maurits, Alexandra and Stu for your kind comments!

Ivan: The temperature was a pleasant 2 degrees C.

Eric: I was hoping to image the Sun closer to noon for a slightly higher solar altitude, but in came the clouds :-(

Alexandra: Yes, a low Sun can be challenging when driving. A clean front window is an absolute must!

Stu: Your images, along with others on this forum, has been of great inspiration!

Best regards,
Arne
Arne, congratulations on SPoD!
And thanks for the answer, we now have the same temperature, but I'm afraid to take my Lunt out into the street, I'm afraid that the cold and moisture can harm it. After the session, it somehow needs to be specially stored, do you need any actions? I mean silica gel or something else?

Ivan


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Re: Sun FD in H-Alpha 12th of November 2021

Post by MapleRidge »

Beautiful full disk images Arne...well done :bow

Brian


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Re: Sun FD in H-Alpha 12th of November 2021

Post by marktownley »

Great looking disks Arne!


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Re: Sun FD in H-Alpha 12th of November 2021

Post by arnedanielsen »

Thank you so much everyone for your kind comments!

Best regards,
Arne


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Re: Sun FD in H-Alpha 12th of November 2021

Post by arnedanielsen »

Ivan wrote: Sun Nov 14, 2021 12:36 pm
arnedanielsen wrote: Sun Nov 14, 2021 11:12 am Thank you so much Ivan, Eric, Maurits, Alexandra and Stu for your kind comments!

Ivan: The temperature was a pleasant 2 degrees C.

Eric: I was hoping to image the Sun closer to noon for a slightly higher solar altitude, but in came the clouds :-(

Alexandra: Yes, a low Sun can be challenging when driving. A clean front window is an absolute must!

Stu: Your images, along with others on this forum, has been of great inspiration!

Best regards,
Arne
Arne, congratulations on SPoD!
And thanks for the answer, we now have the same temperature, but I'm afraid to take my Lunt out into the street, I'm afraid that the cold and moisture can harm it. After the session, it somehow needs to be specially stored, do you need any actions? I mean silica gel or something else?

Ivan
Thank you Ivan,

The SPoD was a nice suprise!

When it above freezing I usually just put the scope in the living-room, but when it's sub-zero I usually wrap the scope in some isolating material (preferably in an airtight wrapping) before bringing it inside and let it warm up very slowly. After it has reached indoor temperature I unwrap it to let it breath.

Due to the low Sun I don't get to use the solarscopes that much during wintertime.

Best regards,
Arne


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Re: Sun FD in H-Alpha 12th of November 2021

Post by Ivan »

Thank you, Arne!

Ivan


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