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.
Published:
December 30, 2009
 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
The weekly podcast and complete transcript are available to registered members of Astronomy.com. The podcast remains FREE, so please create an account below to make sure you don't miss an episode! |
Registration is FREE and takes only a few minutes to complete. Registered members get access to these great online features:
- Participate in our forums and online community
- Comment on articles
- Receive our e-mail newsletter
- Manage your account online
- Much more!
|
Already registered?
Login to view this article
|
Haven't registered yet?
Register below
|