Another sample starhop that shows the difference between Open and Globulars is the starhop to M13:
Facing South before 11pm tonight you can see the brightest stars that make up the summer triangle: Altair, Deneb and Vega.
West of the bright star Vega, locate the Keystone figure of Hercules. Travel up the western side until you reach the faint ‘fuzzy’ patch . You should be able to see this easily in binoculars. If you have a telescope, the cluster will appear as a million suns (not actually resolvable) in the eyepiece with a normal low power eyepiece.
Here’s the view that we used in Lecture 4
Here’s the target – try putting your telrad on it if you have one…:
Compare this view to the next one of two open clusters – much closer and sparser..
For the double cluster in Perseus:
Use your planisphere to help you locate the Double Open Cluster in the sky.
You need to know the how to find :
Your date and time
Your constellations
