Search found 60 matches

by mtbdudex
Mon Sep 12, 2022 12:38 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Red Sprite Lightning over the Czech... (2022 Sep 12)
Replies: 16
Views: 3540

Re: APOD: Red Sprite Lightning over the Czech... (2022 Sep 12)

Epic capture, from his facebook page
"Selection of the best elves from the night of 26.8.2022 over the north of Bohemia. Photographed by the Golden Mountains. Sony A7S modified + 135GM, ISO 2500, F/2, 3.2s"
by mtbdudex
Fri Aug 19, 2016 11:57 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Perseid Fireball at Sunset Crater (2016 Aug 19)
Replies: 13
Views: 9587

Re: APOD: Perseid Fireball at Sunset Crater (2016 Aug 19)

Kudos Jeremy on this capture and the magnificent video, very cool and inspiring

by mtbdudex
Wed Sep 30, 2015 8:40 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Supermoon Total Lunar Eclipse and... (2015 Sep 29)
Replies: 42
Views: 10264

Re: APOD: Supermoon Total Lunar Eclipse and... (2015 Sep 29)

I got into a debate on EarthSky facebook site https://www.facebook.com/EarthSky of this image: https://fbcdn-photos-a-a.akamaihd.net/hphotos-ak-xfl1/v/t1.0-0/p480x480/12046736_10152972481321853_768145900295230648_n.jpg?oh=704489b14793eb7b7138db1c3a546e60&oe=5692F2A0&__gda__=1453100875_25b022...
by mtbdudex
Tue Sep 29, 2015 10:01 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Supermoon Total Lunar Eclipse and... (2015 Sep 29)
Replies: 42
Views: 10264

Re: APOD: Supermoon Total Lunar Eclipse and... (2015 Sep 29)

If this is a scientifically accurate photo why the stars don't trail along with the moon and why a few stars are inside Moon's diameter in the seventh photo? The answer is obvious. This is what it is. A photoshop composite. It was stated as being a composite, which is a legit astrophotography techn...
by mtbdudex
Sat Aug 15, 2015 2:47 pm
Forum: The Library: Information Desk and Educational Resources
Topic: Meteor streak color: By temperature or composition?
Replies: 1
Views: 33822

Meteor streak color: By temperature or composition?

Q: Is the color of a meteor streak due to it's temperature as it heats up and burns or due to it's material composition, or both? Aug 11-12, 2015. Did some imaging last night-early morning for the Perseids Meteor Shower. These are the best. Looking North-East in the sky, 11:30pm thru 1:30am. Used Ca...
by mtbdudex
Wed Nov 26, 2014 10:47 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Tornado and Rainbow Over Kansas (2014 Nov 23)
Replies: 20
Views: 169168

Re: APOD: Tornado and Rainbow Over Kansas (2014 Nov 23)

I may be in my 50's but thought this looked familiar....and posted just 3 years ago, that's kinda short turnaround for repeating, no? http://apod.nasa.gov/apod/ap110814.html Astronomy Picture of the Day 2011 August 14 http://apod.nasa.gov/apod/ap050613.html http://apod.nasa.gov/apod/ap060702.html h...
by mtbdudex
Mon Nov 24, 2014 7:59 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Tornado and Rainbow Over Kansas (2014 Nov 23)
Replies: 20
Views: 169168

Re: APOD: Tornado and Rainbow Over Kansas (2014 Nov 23)

I may be in my 50's but thought this looked familiar....and posted just 3 years ago, that's kinda short turnaround for repeating, no? Do a search on "speeding". APOD'S been CMB Dipole: Speeding Through the Universe ten times, and worth it every time. Hey - I remember 55mph national speed ...
by mtbdudex
Mon Nov 24, 2014 11:19 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Tornado and Rainbow Over Kansas (2014 Nov 23)
Replies: 20
Views: 169168

Re: APOD: Tornado and Rainbow Over Kansas (2014 Nov 23)

I may be in my 50's but thought this looked familiar....and posted just 3 years ago, that's kinda short turnaround for repeating, no?
http://apod.nasa.gov/apod/ap110814.html
Astronomy Picture of the Day
2011 August 14
by mtbdudex
Mon Oct 27, 2014 7:56 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Plane, Clouds, Moon, Spots, Sun (2014 Oct 27)
Replies: 14
Views: 72183

Re: APOD: Plane, Clouds, Moon, Spots, Sun (2014 Oct 27)

Doyle Slifer - One of the neatest image I've seen of the partial solar eclipse last week, kudos to you!
by mtbdudex
Sun Jun 15, 2014 9:32 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: New York to London Milky Way (2014 Jun 14)
Replies: 28
Views: 8132

Re: APOD: New York to London Milky Way (2014 Jun 14)

Kudos Alex on what you've accomplished here, having the right skill with the right gear at the right time and place....
by mtbdudex
Thu Jan 23, 2014 1:39 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The Upper Michigan Blizzard of 1938 (2014 Jan 22)
Replies: 41
Views: 16627

Re: APOD: The Upper Michigan Blizzard of 1938 (2014 Jan 22)

You need to be a true Michigander to grasp all this, helps to watch this movie also for those who want the quick initiation. http://ia.media-imdb.com/images/M/MV5BMTIyNDE1MTc0N15BMl5BanBnXkFtZTcwMzM1OTAzMQ@@._V1_SY317_CR10,0,214,317_.jpg fwiw, for me the greatest snow in Michigan was the 1974 Thanks...
by mtbdudex
Wed Nov 20, 2013 12:50 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Found Images: 2013 November
Replies: 30
Views: 11099

Re: Found Images: 2013 November

What are the odds? Posted on November 12, 2013 - copyright Scott Rinckenberger https://www.facebook.com/scottrinckenberger http://blog.scottrinck.com/conceptual/odds/ http://blog.scottrinck.com/wp-content/uploads/2013/11/Scott-Rinckenberger-Meteor-marked.jpg I’ve been shooting photos for 20 years. I...
by mtbdudex
Sat Sep 28, 2013 1:24 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Andromeda on the Rocks (2013 Sep 27)
Replies: 36
Views: 10779

Re: APOD: Andromeda on the Rocks (2013 Sep 27)

very beautiful APOD, taken with Canon 5D mkIII & a MINITRACK-LX July-20, congratulations Cristian Fattinnanzi.
Image
by mtbdudex
Wed Sep 11, 2013 9:51 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: LADEE Launch Streak (2013 Sep 11)
Replies: 35
Views: 8880

Re: APOD: LADEE Launch Streak (2013 Sep 11)

Congrats Jeff on a really nice capture and earning APOD.
by mtbdudex
Sat Aug 10, 2013 4:47 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Perseids over Meteora (2013 Aug 10)
Replies: 3
Views: 3067

Re: APOD: Perseids over Meteora (2013 Aug 10)

Love the colors in the streaks, nice capture!
by mtbdudex
Sun Jul 21, 2013 2:00 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2013 July
Replies: 247
Views: 89366

Re: Submissions: 2013 July

Going frame-frame thru the images in this stacked photo taken July-13-2013, originally posted above https://lh6.googleusercontent.com/-spNttf3cOJ8/UeXtRC9oLQI/AAAAAAAAQao/EVQatWII-b4/s400/July-13-2013%2520H20%2520-%2520Version%25202.jpg I noticed 4 meteorites - looks like 1 exploded? (the meteorites...
by mtbdudex
Sun Jul 21, 2013 1:53 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2013 July
Replies: 247
Views: 89366

Re: Submissions: 2013 July

it got humid/hot and the fireflies came alive again, so was out Thursday July-12-20123 night. Via http://aa.usno.navy.mil/data/docs/RS_OneDay.php 12 July 2013 Eastern Daylight Time SUN Begin civil twilight 5:35 a.m. Sunrise 6:09 a.m. Sun transit 1:41 p.m. Sunset 9:13 p.m. End civil twilight 9:47 p.m...
by mtbdudex
Sat Feb 16, 2013 11:13 pm
Forum: The Communications Center: Breaking Science News
Topic: Large meteor, possible meteorite near Chelyabinsk, Russia
Replies: 105
Views: 98785

Re: Large meteor, possible meteorite near Chelyabinsk, Russi

Has there been any db estimates on the SPL of the initial shock wave and the others that immediately followed due to the meteorite that exploded over Russia yesterday?
Must be huge to cause so much damage!
by mtbdudex
Wed Jan 30, 2013 11:20 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Full Moon Silhouettes (2013 Jan 30)
Replies: 39
Views: 12444

Re: APOD: Full Moon Silhouettes (2013 Jan 30)

Wow, this full moon rising video is something to behold, I watched it and felt the joy in my heart.
Great submission!
by mtbdudex
Wed Nov 21, 2012 4:13 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Diamond Ring and Shadow Bands (2012 Nov 21)
Replies: 16
Views: 5384

Re: APOD: Diamond Ring and Shadow Bands (2012 Nov 21)

Stephen first posted this in our little Canon astrophotography forum.....congrats again!
http://photography-on-the.net/forum/sho ... ?t=1247784
by mtbdudex
Sat Oct 27, 2012 8:23 am
Forum: Open Space: Discuss Anything
Topic: Every Episode Of Star Trek: TOS in One Poster
Replies: 15
Views: 2295

Every Episode Of Star Trek: TOS in One Poster

For all the geeks out there: Find it hard to pick your favorite episode from the original TV series? Now you don't have to with this amazing poster from artist Dusty Abell . His poster encompasses every single episode in one impressive poster. CLICK HERE to view it in full size to see the detail! ht...
by mtbdudex
Tue Oct 09, 2012 6:35 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Recent Submissions: 2012 October
Replies: 212
Views: 132935

Re: Recent Submissions: 2012 October

A night at Wallaman Falls, Queensland, Australia. A bright meteor crosses the Milky Way, while the light of the gibbous Moon causes a moonbow with the waterfall. http://legault.perso.sfr.fr/wallamanfalls.jpg Great capture! Nicely done. Looking at your exif data must have been very still for those l...
by mtbdudex
Sat Sep 01, 2012 2:15 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: On a Blue Moon (2012 Sep 01)
Replies: 26
Views: 13995

Re: APOD: On a Blue Moon (2012 Sep 01)

I really love the detail here, however looking at the exif data: Camera Model = Canon EOS 7D Focal Length = 50/1 mm ===> 50 mm Exposure Time (1 / Shutter Speed) = 1/160 second ===> 0.00625 second Exposure Program = manual control (1) ISO Speed Ratings = 100 I can't believe a 50mm lens took this! Can...
by mtbdudex
Sun Aug 12, 2012 8:51 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: The First Color Panorama from Mars... (2012 Aug 11)
Replies: 51
Views: 19112

Re: APOD: The First Color Panorama from Mars... (2012 Aug 11

My only gripe about the photo is it showed too much foreground and not enough sky, I hope newer ones take and stitch in sky shots, the rule of 1/3's applies for these as well. Every pixel that shows sky is a pixel with little or no scientific value, but which costs resources: time, energy, bandwidt...