Sirius the dog star, is a close type A1 star and it's the brightest star in the northern hemisphere's sky. It's the bright star in the left half of the picture below. You can find it easily if you recognize the constellation Orion in the sky. Sirius, in Canus Major, follows Orion just to the East.
When observed through a short focus (f/5) telescope fitted with an ocular prism, hydrogen absorbtion can be easily seen in the spectrum:
For comparison, here is the emission spectrum of hydrogen:
Ferment update:
The above illustration is from Yair Margalit's Concepts in Wine Chemistry published by the Wine Appreciation Guild.
Yeast secrete the enzymes that carry out these reactions. One yeast can convert one hundred thousand sugar molecules to alcohol per second. My raisin fermentation produced 120-150 grams of ethanol in about three days from 280 grams of sugar (from the raisin's nutritional label). I must have had about 10,000,000,000,000 yeast cells in the fermentation pot. Wow!
