What percent of the time can astronomers observe without interference from the Moon?
In a given month, what percent of nighttime hours are available for observing without interference from the moon?
It depends on how much interference from the moon you're willing to put up with. If the moon is just a crescent, you might be able to observe something that you couldn't if the moon was full. But to simplify the question to "What percent of the nighttime in a month is the moon up at all?", the answer is that it's exactly half.
Get More 'Curious?' with Our New PODCAST:
- Podcast? Subscribe? Tell me about the Ask an Astronomer Podcast
- Subscribe to our Podcast | Listen to our current Episode
- Cool! But I can't now. Send me a quick reminder now for later.
- What kind of interference must astronomers contend with when observing?
- Can astronomers observe anything when the moon is full?
How to ask a question:
If you have a follow-up question concerning the above subject, submit it here. If you have a question about another area of astronomy, find the topic you're interested in from the archive on our site menu, or go here for help.Table 'curious.Referrers' doesn't existTable 'curious.Referrers' doesn't exist
This page has been accessed 15625 times since October 9, 2002.
Last modified: December 3, 2002 3:32:08 PM
Ask an Astronomer is hosted by the Astronomy Department at Cornell University and is produced with PHP and MySQL.
Warning: Your browser is misbehaving! This page might look ugly. (Details)