Sun in H-Alpha and 20th of August 2021

this is the main message area for anything solar :)
Post Reply
User avatar
arnedanielsen
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 7285
Joined: Fri Apr 18, 2014 10:42 pm
Location: Vestby, Norway
Has thanked: 6181 times
Been thanked: 7142 times

Sun in H-Alpha and 20th of August 2021

Post by arnedanielsen »

Dear friends,

Todays FD images. Challenging seeing today as well

FD image in H-Alpha using a Takahashi Sky-90II with Coronado 90mm/BF15, Coronado 2x CeMax and ASI 1600mm PRO.
Sun90FD_115856_Ha_(Coronado_90mm_BF15)_20210820_ZWO ASI1600MM Pro_lapl4_ap2626_Sharpened_Contrast_resize.jpg
Sun90FD_115856_Ha_(Coronado_90mm_BF15)_20210820_ZWO ASI1600MM Pro_lapl4_ap2626_Sharpened_Contrast_resize.jpg (381.58 KiB) Viewed 176 times
Sun FD in H-Alpha 20th of August 2021



FD image in CaK using a William Optics ZenithStar 61II stopped down to 46mm, Lunt CaK 1200 module, Coronado 2x CeMax and ASI 183mm camera.
SunCaK60_121815_CaK_(3934nm)_20210820_ZWO ASI183MM_lapl4_ap5491_out_Contrast_resize.jpg
SunCaK60_121815_CaK_(3934nm)_20210820_ZWO ASI183MM_lapl4_ap5491_out_Contrast_resize.jpg (243.29 KiB) Viewed 176 times
Sun FD in CaK 20th of August 2021


SunCaK60_121815_CaK_(3934nm)_20210820_ZWO ASI183MM_lapl4_ap5491_out_Contrast_Colorized_resize.jpg
SunCaK60_121815_CaK_(3934nm)_20210820_ZWO ASI183MM_lapl4_ap5491_out_Contrast_Colorized_resize.jpg (264.69 KiB) Viewed 176 times
Sun FD in CaK 20th of August 2021 - colorized



As usual click on links to view full size images.

Thanks and best regards,
Arne


Best regards,
Arne
--
AstroBin: https://www.astrobin.com/users/arnedani/
User avatar
Carbon60
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 14205
Joined: Wed Mar 07, 2012 12:33 pm
Location: Lancashire, UK
Has thanked: 8415 times
Been thanked: 8161 times

Re: Sun in H-Alpha and 20th of August 2021

Post by Carbon60 »

Nice FDs, Arne.

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/
User avatar
Montana
Librarian
Librarian
Posts: 34560
Joined: Mon Oct 17, 2011 5:25 pm
Location: Cheshire, UK
Has thanked: 17667 times
Been thanked: 8787 times

Re: Sun in H-Alpha and 20th of August 2021

Post by Montana »

A perfect Halpha disc today :hamster: :bow and nice to see that new region so bright in the CaK :hamster:

Alexandra


User avatar
arnedanielsen
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 7285
Joined: Fri Apr 18, 2014 10:42 pm
Location: Vestby, Norway
Has thanked: 6181 times
Been thanked: 7142 times

Re: Sun in H-Alpha and 20th of August 2021

Post by arnedanielsen »

Thank you very much, Stu and Alexandra.

Best regards,
Arne


Best regards,
Arne
--
AstroBin: https://www.astrobin.com/users/arnedani/
Post Reply