Search found 4 matches

by Greg_Priestley
Tue Oct 06, 2020 9:29 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Thousand Meteors (2020 Sep 12)
Replies: 16
Views: 4731

Re: APOD: A Thousand Meteors (2020 Sep 12)

https://apod.nasa.gov/apod/calendar/S_200912.jpg A Thousand Meteors Ok, so it took me a little while to appreciate that "Arranged by local sidereal time" means that the 372 separate night pictures, which were all taken at different times of the day, were reshuffled to appear in local side...
by Greg_Priestley
Tue Oct 06, 2020 9:21 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Thousand Meteors (2020 Sep 12)
Replies: 16
Views: 4731

Re: APOD: A Thousand Meteors (2020 Sep 12)

goatrider wrote: Sat Sep 12, 2020 5:07 pm
orin stepanek wrote: Sat Sep 12, 2020 12:02 pm I had to look twice, I thought the subject was meters at first! :lol2: Oh; there's an O in there! :mrgreen:
So it's a "Kilometeor".
I might have to steal that.
by Greg_Priestley
Tue Oct 06, 2020 9:20 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Thousand Meteors (2020 Sep 12)
Replies: 16
Views: 4731

Re: APOD: A Thousand Meteors (2020 Sep 12)

So in spite of the headline the video was intended to show sidereal time of the Earth's rotation? Nevertheless a thousand meteors seen over 372 nights works out to less than 3 meteors a night! That's about right since that's the most meteors I wind up seeing a night during a meteor shower. There is...
by Greg_Priestley
Wed Nov 14, 2012 7:23 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submission Gallery: 2012 November Solar Eclipse
Replies: 36
Views: 154052

Re: Submission Gallery: 2012 November Solar Ecllipse

Chromosphere, Baileys Beads and Prominences - Maitland Downs, Queensland
Copyright: Greg Priestley (greg@gregpriestley.com)