Sun busy today (Blue Mountains)

Looking at the Sun in Hydrogen alpha with the RASC Toronto Centre SolarMax filter system on the Tele Vue 101 refractor while at the Carr Astronomical Observatory.

Bolted up the point-and-shoot, while using the CeMax 25mm eyepiece...

There are prominences all around the limb.



FujiFilm FinePix J20, 1/60, f/5.6, 19mm (no zoom), ISO 100, white balance daylight, exp. comp. -2 step, 2 second timer, RASC eyepiece-camera mount

Did some web searching so that I was clear about terminology. Found a couple of good sites...

Lots of filaments. One very large filament in the north-east quadrant. A small thin filament in the north-west zone, like a stretched out T.

There are active regions on the surface and dark filaments clearly visible to the naked eye. I can see lighter areas in the centre of the second photo.



FujiFilm FinePix J20, 1/72, f/5.6, 19mm (max. optical zoom), ISO 100, white balance daylight, exp. comp. -2 step, 2 second timer, RASC eyepiece-camera mount

Exciting stuff!

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Kiron saw my active Sun message to the RASC Toronto Centre Yahoo!Group. Wished he could be at the CAO. And asked me to explain the term "limb." Oops. I was using geek speak. I explained limb, prominences, and filaments.

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Wikipedia link: Sunhttps://en.wikipedia.org/wiki/Sun.