# AR 12938 - Slow Building Active Region on Left Limb (SVS4966 - AR12938 AIA171 stamped 1024p30)

The slow build-up of a solar active region, as seen in AIA 171 Angstrom filter. Correction is applied for the instrument Point-Spread Function (PSF).

- Kind: Short
- Year: 2022
- Runtime: 1 min
- By: NASA's Scientific Visualization Studio - Global Science and Technology, Inc./Tom Bridgman, KBR Wyle Services, LLC/Scott Wiessinger, ADNET Systems,…
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:AR_12938_-_Slow_Building_Active_Region_on_Left_Limb_(SVS4966_-_AR12938_AIA171_stamped_1024p30).webm)
- Licence or status: Public domain (as the archive states it)
- Credit: NASA's Scientific Visualization Studio - Global Science and Technology, Inc./Tom Bridgman, KBR Wyle Services, LLC/Scott Wiessinger, ADNET Systems, Inc./Laurence Schuler, ADNET Systems, Inc./Ian Jones
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/151566846?play=1)