Observing podcast: Double star Alnitak, open cluster NGC 1817, and the Oyster Nebula
January 1-8, 2010: The double star Alnitak makes a great target for beginning observers, while open cluster NGC 1817 and the Oyster Nebula provide nice targets for telescope owners.
December 30, 2009
Each week, Astronomy magazine Senior Editor Michael Bakich, a master at explaining how to observe, posts a podcast about three objects or events you can see in the sky.
Locate this week's naked-eye object, Zeta (ζ) Orionis, using this finder chart.
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 January 1-8, 2010
Naked eye: Double star Alnitak
Small telescope: Open cluster NGC 1817
8-inch or larger telescope: Oyster Nebula
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