The Dutch Observatory

Clear skies after an early cloud cover this morning.  AR2781 has developed into a nice Active Region, currently showing 7 spots and covering 450 millionths.  AR2780 has developed the one spot which is now registered, but today I notice a few small pores below it in the 540nm image. Today full disk images as well as close ups of the mentioned regions.

Clear skies again today with good seeing.  The plage AR2780 has started to develop some pores again, so we will be following if they evolve further and become stable enough to be registered as spots.  AR2781 is so far the largest named area in the new Cycle 25 and registers 8 spots.  In addition some proms at the NE and NW limbs today.  The Sun seems to come out of the Very Low Activity and moving into the Low Activity category.

Clear Skies this morning with good seeing conditions.  AR2781 showed up covering an area of 150 millionths.  AR2780 has sizzled away but the plage is still visible in Ha and CaK.  AR2781 shows some interesting activity shown in the CaK image.  In addition, the region produced a few C-class flares.  Today’s images show the full disk in the three wavelengths as well as closeups of AR2781, and the remaining plage of AR2780 in Cak and Ha.

Clear skies with relative good seeing conditions.  AR2780, which formed yesterday, is decaying already and I did not see any spots during my session in WL.  A new area has shown up at the South Eastern limb and was named this morning as AR2781.  It is nicely visible in all three wavelengths and shows three spots.   Also its size seems to be larger than any of the recent areas as they started their way to the Western limb.  We are now also seeing a few C-Class flares, rather than the B-class flares.  Looking forward to what tomorrow will bring.

Clear skies today. Seeing is still not good, but has improved a little.   AR2778 has disappeared around the Western limb, but a new region has emerged at the NE limb.  AR2780 is showing a few small spots.  We’ll need to see what will evolve here.  Full disk images today in the three wavelengths as well as close ups of the new region.

Short Summary of Carrington Rotation CR2236

Carrington Rotation CR2236 covered the time period from 2020-10-05 0018 UT until 2020-11-01 0720 UT.
The observations can be viewed in my Solar Archive for CR2236 which can be accessed at: http://ceastronomy.org/gallery/main.php?g2_itemId=51354
The rotation brought us 5 spotless days,  We could observe 6 Active Regions, all of which were Cycle 25 polarized.   The smallest one, AR2777, was very unstable and did not make it over 10 millionths during its one day of being active. AR 2776 lasted the longest with 12 days, as it rotated from the Eastern limb and disappeared around the Western limb.  Total Active Region Area for AR2776 was 420 millionths with the maximum daily area of 110 millionth on October 19th. AR2778 however, which developed much faster, accounted for 830 millionths for its short appearance in CR2236 of the Total Active Region Area for the Rotation of 2000 millionths. Overall Solar Activity is ticking up a little, while the rotation increased the spotless days count since solar maximum to 856 spotless days. Finally, during the period SWPC reported 2 A-class, 82 B-class flares,  and 14 C-class flares.

This time I would like to feature some Ha images showing AR2776 on three consecutive days from October 17 through 19, during a time that some of the flares showed as “Ellermans bombs”.
Clear Skies,
Theo Ramakers

As CR2236 is coming to an end tomorrow, so is the visibility of AR2778 and 79.  These two regions are pretty close to the Western edge and tomorrow they might not be visible any more.  Clear skies here again today but the seeing conditions are just terrible.  Despite this I captured the regions in all three wave lengths as well as the full disk images.

Well, the recent storms have impacted my observing quite a bit, but today was clear, although the seeing conditions were far from good.  My first images from the two new regions AR2778 and AR2779.  AR2778 has really taken off, with an area covering today of 300 millionths!!  However. both areas will soon turn to the far side.  Today full disk images and close ups of the mentioned areas.

AR2776 has now turned to the far side of the Sun.  It came around the Eastern limb on the 14th of October when I captured my first images of it, and when it still was unnamed.  The Active Region has given us a pre-show of Cycle 25 activity, including some B, and C-class flares, as well as Ellerman bombs on October 17th.  A total of 19 B-class flares and 2 C-class flares could be observed.  AR2776 was not that big but  it covered an area of 100 millionths for one day on October 19,  and the region’s morphology was nice to follow, which is presented in the image below.  Please click on the thumbnail to see a larger image.

Did not expect it but we did have clear skies   AR2766 remains stable and unchanged with 60 millionths and one spot.  The unnamed area in the NE, now shows near the central median in the Northern hemisphere but remains unnamed so far.  In addition a prom was visible at the Eastern limb.  Today full disk images as well as close ups of the two regions and the prom.