Observing podcast: Asteroid Juno, open cluster NGC 6716, and globular cluster NGC 6717
September 11-18, 2009, the Asteroid Juno makes a great object for beginning observers, while open cluster NGC 6716 and globular cluster NGC 6717 provide nice targets for telescope owners.
Published:
September 10, 2009
 Juno glows brighter than at any time since 2005 when it reaches opposition this month. This modest asteroid — the smallest of the solar system’s “Big Four” — slides southwest through Pisces.
Photo by Astronomy: Roen Kelly
In each episode, Michael highlights:
- One object you can see without any optical aid
- One object you can see with a small (4-inch) telescope
- One object you can see with at least an 8-inch telescope
Targets for September 11-18, 2009
Naked eye: Asteroid Juno
Small telescope: Open cluster NGC 6716
8-inch or larger telescope: Globular cluster NGC 6717
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