[AZ-Observing] Re: Poor Quadrantids showing
- From: stevecoe@xxxxxxxxxxxxxxxx
- To: az-observing@xxxxxxxxxxxxx
- Date: Thu, 5 Jan 2012 00:25:39 -0500
Tom, et al;
I have seen a couple of reports on Cloudy Nights that talked of 40 an hour
or so, but all of those are from the East Coast. A little too chilly for
me to be out waiting for meteors.
See ya;
Steve Coe
> Steve,
>
> The International Meteor Organization's 'quicklook' data plot shows the
> peak occurring roughly on schedule at around midnight our time.
>
> http://www.imo.net/live/quadrantids2012/
>
> While the Quadrantids do have a sharp peak, the rate is still typically
> hanging on at half of the maximum four hours later, when you were looking.
> The problem with your observed low total may have been that the radiant's
> altitude was still pretty low. Multiplying the zenith rate by the sine of
> the radiant's altitude to get your rate. Then after you factor in your
> limiting magnitude and obstructions, you're quickly down to a dozen per
> hour or so.
>
> Your total Quadrantid count of three is three higher than mine. I have
> never seen good circumstances for Arizona to warrant to trip out of the
> city. It's a very narrow window. We want them to peak at 6 a.m. MST,
> when Bootes is high and before twilight, but I can't remember that ever
> happening.
>
> Tom
>
> ---- stevecoe@xxxxxxxxxxxxxxxx wrote:
>
>> I stayed outside for 30 minutes as the gibbous Moon set. I saw exactly
>> three meteors all from the radiant to the north of Bootes and south of
>> the
>> Head of Draco. Two meteors were about 10 degrees long and 3rd magnitude
>> and one was 15 degrees long and first magnitude. Not much of a shower
>> by
>> my standards.
> --
> See message header for info on list archives or unsubscribing, and please
> send personal replies to the author, not the list.
>
>
--
See message header for info on list archives or unsubscribing, and please
send personal replies to the author, not the list.
Other related posts:
