For North American op's. It appears that the ALPO Lunar Section - Meteor Impacts Search Group - plots favorable observing windows for lunar meteor impacts: ALPO Lunar Section - Meteor Impacts Search Group http://www.lpl.arizona.edu/%7Erhill/alpo/lunarstuff/lunimpacts.html#Lunar%20... Peter Gural Lunar Impact Plots 2006 http://www.lpl.arizona.edu/%7Erhill/alpo/lunarstuff/IMPACTS2006.pdf The ALPO plots show two favorable windows visible for North American observers for the remainder of 2006 on 9/1/2006 6:05 UTC and 12/14/2006 10:34 UTC. Details on these two events, excerpted from the ALPO Plots and the corresponding entry in the International Meter Organization annual calendar follow. Also of interest: ALPO Observing Guide Tips on making videos of lunar meteor impacts: http://www.lpl.arizona.edu/%7Erhill/alpo/lunarstuff/observing Alan Kimble's tips on video taping lunar impacts in the near infra-red: http://www.lpl.arizona.edu/%7Erhill/alpo/lunarstuff/97leonids.html A word of warning about the ALPO Lunar Section - Meteor Impacts Search Group homepage. The homepage appears to be generated by a web page creation tool and displays with multiple HTML coding errors. Because of the HTML coding errors, it's a page that you have to be patient with, but it contains information not available elsewhere. Event I) 9/1/2006 6:05 UTC 9/1/2006 12:05AM Meteor Shower - IMO Description alf-Aurigids (AUR) Active: August 25 —September 8; Maximum: September 1, 6h30m UT (lambda = 158°6); ZHR = 7; Radiant: alf = 84°, dec = +42°; Radiant drift: see Table 6 (page 23); v = 66 km/s; r = 2.6; This essentially northern hemisphere shower appears to be part of a series of poorly observed sources with radiants. http://www.imo.net/calendar/2006/summer ALPO Lunar meteor impact window 9/1/2006 6:05 ALPO notes: 36% of impacts on unlight near side. My notes: Moon is at first quarter phase. For mountain time observers Moon is only at 20 degrees alt at 11:00 pm MDT. Best for Pacific Time Zone or Hawaii. This is one day before the SMART-1 lunar impact. Event II) 12/14/2006 10:34UT 12/14/2006 10:34AM IMO shower description Geminids (GEM) Active: December 7 —17; Maximum: December 14, 10h45m UT (lambda = 262°2) ± 2.3h; ZHR = 120; Radiant: alf = 112°, dec = +33°; Radiant drift: see Table 6 (page 23); v = 35 km/s; r = 2.6; http://www.imo.net/calendar/2006/fall One of the finest annual showers presently observable. This year, the waning crescent Moon rises within half an hour of 1h local time across the globe on December 14, but will be a fairly minor nuisance even so. There will be some useful dark-sky observing opportunities, especially from the northern hemisphere, as while the Geminid radiant culminates around 2h local time, well north of the equator it rises around sunset, and is at a usable elevation from the local evening hours onwards. ALPO Meteor Impact window: 9/14/2006 ALPO notes: 42% of impacts on unlit near side. My notes: ALPO observing window is listed as 5:34 UTC. But the IMO lists the ZHR max for 10:45 UTC. For the Intermountain West, the Moon rising at 20 deg alt at 4 AM (9UTC) with a two hour window to sunrise. Moon is a day past 3rd quarter. Other Events III) Daytime North American event not detailed here. Eurpoean observers may want to investigate these dates further. 11/17/2006 17:47 UTC 12/22/2006 18:42 UTC - Canopus56 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com