Solar Section        

 
 

November 5, 2017

A Short Summary of Carrington Rotation 2195

Carrington Rotation 2195 covered the time period from 2017-09-12 1729 UT – 2017-10-10 0008 UT.
510 Submissions were added to ALPO’s Solar archive at the time of this summary. Stimulated by the previous very active rotation, more images were submitted for this rotation than the previous one. They can be viewed in ALPO’s Solar Archive for CR2195:
http://www.alpo-astronomy.org/gallery/main.php?g2_itemId=108191

During the rotation, we could observe 5 Active Regions AR2680-AR2683 and AR2674, which was visible only for one last day before it did rotate to the far side. The highest Wolf Number of 40 was recorded on two days, 9/27 and 9/29, while the highest total Active Region Area for the day of 560 millionths was recorded on 9/26. The largest region for the rotation was AR2683 covering an area of 330 millionths on 10/4. The last full day of the rotation was spotless again for spotless day 92.

For this Rotation we would like to feature three observations/images by three of our observers, Guilherme Grassman , David Teske, and Theo Ramakers Thanks to them, as well as all other contributors for another great rotation. Please take a look at their images by clicking on the link above linking to our archive for CR2195.
Clear Skies,
Theo Ramakers
Assistant Coordinator, the ALPOSS

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