Search found 8 matches

by Thomas Ashcraft
Thu Oct 22, 2015 3:30 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2015 October
Replies: 196
Views: 64089

Blue Starter

Here is a rarely captured form of a transient luminous event called a "blue starter" shooting up from the top of a thunderstorm cloud. The streamer zone above the starter is evident in the detail image. Blue starters are related to another form of transient luminous event called blue jets....
by Thomas Ashcraft
Sun Apr 19, 2015 12:04 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Video Submissions
Replies: 705
Views: 2380293

Moreton Wave in Hydrogen-alpha

https://vimeo.com/125351537 Moreton Wave generated by a M3.3 Solar Flare on June 03 2012 1752-1801 UT This fast-mode magnetohydrodynamic wave was captured in the hydrogen-alpha wavelength of 656.28 nanometers using a 50 mm double-stacked solar telescope at my observatory near Lamy, New Mexico. I ha...
by Thomas Ashcraft
Sat Jul 05, 2014 3:38 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2014 July
Replies: 177
Views: 39078

Massive sprites over Oklahoma

Massive sprites over western Oklahoma captured in near infrared. http://www.heliotown.com/Ashcraft_apod_sprites_June232014.jpg Here is a link to a vimeo movie with another camera view these particular sprites with their radio emissions. http://www.heliotown.com/Sprite_June_23_2014.html Thomas Ashcra...
by Thomas Ashcraft
Wed Oct 30, 2013 9:40 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Video Submissions
Replies: 705
Views: 2380293

Re: Video Submissions

http://vimeo.com/78000360 Solar Flare Visible in the Hydrogen-alpha Wavelength with Radio Telescope Emissions This video document is the capture of an optical solar flare along with its radio reception. I'm not sure, but this merging of the radio and optical into one instrument might be a first in ...
by Thomas Ashcraft
Sat Sep 01, 2012 3:11 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Dark Earth with a Red Sprite (2012 Aug 29)
Replies: 21
Views: 12631

Re: APOD: A Dark Earth with a Red Sprite (2012 Aug 29)

Have we ever caught an elf on camera? Image or video...? They sound amazing. :D Some other specimens here: http://www.heliotown.com/Transient_Luminous_Events_2012.html Clear skies, Thomas Ashcraft in New Mexico Wow! A cluster of sprites! The video is amazing, I would have missed the sprite cluster ...
by Thomas Ashcraft
Thu Aug 30, 2012 12:27 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: A Dark Earth with a Red Sprite (2012 Aug 29)
Replies: 21
Views: 12631

Re: APOD: A Dark Earth with a Red Sprite (2012 Aug 29)

Have we ever caught an elf on camera? Image or video...? They sound amazing. :D Hi. I captured an elve, actually a more powerful "donut elve", which was generated by a mega-lightning stroke. I was also fortunate enough to witness this event naked-eye which was like a super strong flash bu...
by Thomas Ashcraft
Wed May 23, 2012 6:27 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Recent Submissions: 2012 May
Replies: 125
Views: 128796

Re: Recent Submissions: 2012 May 1-

http://www.heliotown.com/ASHCRAFT_SPgwMay202012_044541_8in.jpg Stars, Sprites, Gravity Waves and Meteors Larger image here: http://www.heliotown.com/ASHCRAFT_SPgwMay202012_044541_9in.png My primary subject currently is capturing lightning spawned red sprites and other transient luminous events. Thi...
by Thomas Ashcraft
Mon Apr 02, 2012 9:09 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Recent Submissions: 2012 April 2-4
Replies: 24
Views: 10203

Re: Recent Submissions: 2012 April 2-

http://www.heliotown.com/Resources/ashcraft8637mar3a.jpeg ( Larger image here: http://www.heliotown.com/sprite_image_large.html Update: Since posting yesterday I now also have a movie of these sprites with radio emission in slow-motion : http://vimeo.com/39703535 Massive Red Sprites over Oklahoma (...