A Transient Transit

SDO catches the Moon entering stage left

Almost forgotten today in all the excitement over the giant prominence seen by SDO, the Moon also had a small role to play over the weekend: its lunar transit of the Sun in front of SDO’s cameras! Although brief and not captured by all the AIA instruments, AIA 304 did manage to glimpse a peek at the leading edge of the Moon just before it crossed the face of the Sun. Meanwhile, the prominence/filament was winding up on the Sun’s opposite edge in preparation of its explosive snap just hours later. Thankfully SDO was there to witness all the action!

Keep up with the latest images of the Sun in hi-def on the SDO site here.

Image courtesy of SDO (NASA) and the AIA consortium.


  1. Corinna says:

    What a fantastic shot! I am finding that words are failing me with all these wonderful pictures I am getting from you. Heaven alone knows how you astronauts etc., cope with the pure sensory overload from all this.


  2. ro helfenstein says:

    do you have anymore pix of this event?
    it really is remarkable thet there’s a part of a moon flow going by
    it would be great if there was a sequential clip, availiable.

    is this purely SDO, or would other tele’s be able to grasp this?


    1. J. Major says:

      No more photos from this event, but you can see images and videos of the last transit on October 7 here: http://sdo.gsfc.nasa.gov/gallery/potw.php?v=item&id=27


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