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“I will definitely be looking out for Algol and will try to take pictures.”
– Me commenting on Scott’s Sky Watch, September 12th, 2017
The star Algol, in the constellation Perseus, is known as an eclipsing binary star. As explained at Scott’s Sky Watch:
“Algol’s brightness changes as we see it here on Earth. It’s not because its inherent brightness itself is changing, but because another star is passing in front of it, blocking out some if its light, just like the Moon did to the Sun last month, but much farther away. From its 90 light years, we can see it as only one star. Algol was the first star of this type to be discovered, so this type is sometimes called an Algol Binary. We here are fortunate to be able to see this.”
I had been hoping to take pictures over the course of days to see if changes in its brightness could be detected. I was only able to image the star on one night so far, several weeks ago on December 19th. I did log the telescope, lens, and camera settings, so that I can try to reproduce the imaging event at a later date. The above image, from December 19th, is unaltered except for an increase in color vibrancy that can be applied easily to the next image.
There is still some time this season to capture Algol again. I just need both the Winter weather and skies to cooperate together on a single night.
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