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is anyone here meteor-watching using Software Defined Radios ?
I read that, on average, only 84K meteors that weigh over 10g enter our atmosphere each year, but watching my favourite UK monitoring site, there's been 100s every hour for a while now.
If it was 100 on average per hour for a year that would be about ten times the quoted figure above (http://curious.astro.cornell.edu/about-us/75-our-solar-system/comets-meteors-and-asteroids/meteorites/313-how-many-meteorites-hit-earth-each-year-intermediate)
I see that their frequency also depends on various other factors, but the American Meteor Society reports an increasing number over the past decade (http://www.amsmeteors.org/members/imo_fireball_stats/).
I suppose there are also a growing number of monitoring stations so there are more reports.
I bought an SDR but have yet to build the right sort of aerial for meteor-detection (as well as mount it without complaints from neighbours!).
Anyone else been doing any of this ?
By Space Manta Ray
These are some photos I took of 41P/T-G-K on the night of March 29. I never ran them through much of a post editing and are grainy and no noise reduction done. They were all taken with my Nikon D7100 with 50-300mmZoom lens. All photos have been cropped from originals.
#1) f5.6 52.5 seconds ISO 6400 50mm
#3) f5.6 44.9sec ISO5000 195mm
#2) I left this for last because it is so unique. I think the comet was entering the atmosphere, then just as it was about to eclipse 41P, it skipped out and then was pulled back into the atmosphere.
f5.6 42.6 sec ISO6400 78mm
Tonight I'm going to mount my Nikon to my Celestron 8SE and do some photography of 41P. I am using Stellarium to control the scope and digiCamControl for the Nikon. I'm new at this so I'm hoping I will be as lucky tonight as I was for these shots. BTW, the time between photo 1 and photo 2 was just seconds apart.
After imaging Venus last evening, when it became visible it was already low in the west less than 30 minutes from it setting behind the mountains.
Being so low in the west and the amount of turbulence/heat shimmer I was fighting when imaging, I think that I might not image Venus this season again, so I'm sharing my collection of Venus phases I captured between 1st December 2016 and 20th February 2017.
Thanks for looking,
I was out taking some shots last night, testing some different exposure times contra iso settings, just shooting at random parts of the sky. I set the camera for a 6400 ISO, 15 second exposure, and about halfway through the shot, a meteor (fireball) falls through the sky almost straight above me, covering about 50% the distance of the sky lasting around 2 seconds I think. It even showed fragments falling off of it and burning separately. Not quite big enough to be considered a bolide but still many times brighter than your usual shooting stars!
Even seeing that with my eyes was astonishing, as it only counts like the 3rd fireball I've ever seen, but then I just prayed that my camera actually caught it, as it was pointing at the exact same part of the sky! And it did! Unfortunately without the part where the fragments fell of which happened left of the image..!
For some it might look like a simple image, or something similar as to when the space station covers the sky, but this was a biiig deal for me! And if you guys aren't impressed, then at least tell/show me some of your best visual stories or pictures you've captured!
Also the meteor burned with a slightly greenish glow, which some of you might be able to make guesses of its composition.