November 13 2022 Observations

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DeepSolar64
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November 13 2022 Observations

Post by DeepSolar64 »

My session time was from 16:20 until 17:20 UTC. The skies are mostly clear but the seeing is horrendous. Anything above 25x shows no more detail! The temperature was 38F ( 3.3C ). Windy.


Coronado SolarMax II 60 DS. 16x and 25x ( Ha )
Today I can see nine active regions in the Ha chromosphere! Six in the northern hemisphere with BBSO/SM showing three of these with NOAA labels. Three are seen in the southern hemisphere with only one bearing an NOAA label ( BBSO ).

A bright oval plage can be seen in the NE quadrant. Well to the north lies a partial polar crown of filaments. GONG Cerro Tololo Ha shows a faint disturbance to the east of this brighter plage but I cannot make it out. WSW of this bright plage just east of the CLM lies a difficult but visible small plage. A filament lies just NW of it. The NW quadrant shows four active regions. Two of these are quite obvious since they have five spots combined. AR13140 shows two of these spots with bright easy plage to the SE. A brighter but small nodule of plage west to these marks AR13145. To the south lies AR13141 with three spots amid fainter scattered plage. Involved filaments can only be hinted at. AR13142 is an area of faint plage just NW of AR13140 nearing the NW limb.

AR13144 in the SW quadrant is seen as a small difficult plage. The poor seeing makes it difficult to see. A filament just NW of it helped me find it. An easy fairly bright plage is seen in the SE quadrant just east of the CLM. It consists of two winding patches but the seeing makes them indistinct and hard to see. An easy filament is seen just south of this unnumbered plage. A polar crown of filaments can be seen just above the south pole. The far east shows another plage. It's contrast is low. I could only hint the filament located within it.

The mottles are visible but are noticeably soft.


Orion 70mm Solar Telescope. 25x ( WL )
White light was affected by the seeing considerably worse than Ha seemed to be. Even at 25x I has to look close to see the umbra and penumbra form of the larger spots! Going any higher would have been a useless endeavor.

I could only see four spot-bearing regions and all of these are in the northern hemisphere. An unnumbered region of only two small spots ( BBSO/SM ) can be seen in the NE quadrant. Faculae are shown near the NE limb on the SDOHMIc image but I never could pick it out visually. The limb itself is a moving fuzzy mess. AR13141 in the NW quadrant is seen as three spots with the easternmost one having a NE pointing tail. I can only with difficulty see the umbra/penumbra forms of the two bigger spots in the group. SDO HMIc shows two large pores north of the central spot. They are totally invisible to me!! NNW of AR13141 lies AR13140. The two larger spots in the group can be easily seen but their form is only coarsely revealed like the spots of AR13141. SE of these lie a line of spots but I cannot resolve them well and cannot see the smaller ones shown by the SDO at all. ENE lies a spot/pore I can barely see that belongs to AR13145. SDO shows three here. The faculae of AR13142 NW of AR13140 is invisible amid the seeing-distorted photosphere.

I see absolutely nothing in the southern hemisphere. There's absolutely not a hint of granulation across the solar disc.

I'll hopefully have better luck next time. :-(


James


GONGCerroTololoChile_Ha_11-13-22.jpg
GONGCerroTololoChile_Ha_11-13-22.jpg (408.16 KiB) Viewed 189 times
BBSO_Ha_11-13-22.JPG
BBSO_Ha_11-13-22.JPG (237.1 KiB) Viewed 189 times
SDOHMIc_Color1K_11-13-22.jpg
SDOHMIc_Color1K_11-13-22.jpg (326.16 KiB) Viewed 189 times


Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
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Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
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Re: November 13 2022 Observations

Post by DeepSolar64 »

Thanks Aaron. It wasn't a good observing day with the poor seeing and the wind. Hopefully better tomorrow.

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
Meade Coronado AZS Alt/Az Mount
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
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
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Re: November 13 2022 Observations

Post by Montana »

Thanks James, interesting to hear at least a partial circlet of filaments round both poles :hamster:

Alexandra


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Re: November 13 2022 Observations

Post by MAURITS »

Very nice report James, thanks for sharing.


Regards,
Maurits

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Re: November 13 2022 Observations

Post by DeepSolar64 »

Montana wrote: Mon Nov 14, 2022 10:06 am Thanks James, interesting to hear at least a partial circlet of filaments round both poles :hamster:

Alexandra
I just wonder what causes the polar crown phenomenon.


Lunt 8x32 SUNoculars
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Re: November 13 2022 Observations

Post by marktownley »

Thanks James, let's hope some more activity starts to round the limb soon.


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Re: November 13 2022 Observations

Post by Montana »

More info here James https://ui.adsabs.harvard.edu/abs/2018A ... X/abstract

If you can't download the PDF email me :)

Alexandra


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Re: November 13 2022 Observations

Post by DeepSolar64 »

Thanks Alexandra, I'll read this file in it's entirety when I get the time. I did save it. At a glance it appears to be a magnetic boundary at where these filaments form that separates the polar magnetic field from the field of the zone of where the active regions form. I will read more in depth later. Thank You again. :-)

This might be worth saving on SolarChat somewhere.

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
Meade Coronado AZS Alt/Az Mount
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
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces

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