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Old 23-06-2024, 09:56 PM
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Maurice
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23rd June Ha Sun

Hi


Attached are some images of the sun taken at Ha wavelength on the 23rd June.

As usual, imaged with a ED100 telescope + home-brew spectroheliograph and ASI183MM camera.


Frames reconstructed using Doug Smith's SHG_Main software.
Best 12 of 31 frames selected and stacked with AutoStakkert3!; the resulting image deconvolved in Astrosurface.


Seeing was quite good given the low altitude of the sun atm.


I have also included a frame reconstructed from the same data in the continuum about 2A away from the Ha line to identify the sunspot groups.
Unfortunately, all data heavily compressed here..



Cheers
Maurice
Attached Thumbnails
Click for full-size image (230624_Ha_MPV_sml_comp.jpg)
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Click for full-size image (230624_cont_MPV_sml_comp.jpg)
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Click for full-size image (230624_Ha_3719_20_21_22_region_sml.jpg)
197.3 KB28 views
Click for full-size image (230624_Ha_MPV_3719_filaments2.jpg)
192.8 KB26 views
Click for full-size image (230624_Ha_3712-13-16_region_crop_comp2.jpg)
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Last edited by Maurice; 23-06-2024 at 10:20 PM. Reason: incorrect images uploaded
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Old 24-06-2024, 12:21 AM
Saturnine (Jeff)
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Lovely solar images, the data looks fine to me despite the compression, thanks for sharing with us.
Supposedly another large AR just behind the limb and coming into view in the next few days and we have a forecast for some sunny days this week.
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Old 26-06-2024, 06:40 PM
John W (John Wilkinson)
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A lot of detail in those shots Maurice - well recorded.
Regards, John W.
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Old 30-06-2024, 03:09 PM
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Quote:
Originally Posted by Saturnine View Post
Lovely solar images, the data looks fine to me despite the compression, thanks for sharing with us.
Supposedly another large AR just behind the limb and coming into view in the next few days and we have a forecast for some sunny days this week.

Thanks Jeff...
I've tried to get an image today (30th June) with limited success.
Unfortunately clouds & rain here in Melbourne.


Quote:
Originally Posted by John W View Post
A lot of detail in those shots Maurice - well recorded.
Regards, John W.

Thank you John.
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