A perseid meteor By T Hayes. 16th.17th aug.16   1145 UT. Canon EOS 700D, ISO-400;  f22;  30 seconds. "Eager to try my Star Adventurer in earnest, I spent ages levelling the tripod on the grassy, slippery hill behind the house, then atached the camera and aimed in the general direction of  Cassiopeia. As I sat on my recliner I slipped and knocked the tripod.  Luckily I caught it before any damage was done and I stood it upright and started shooting with various exposure times.  This is the third picture I took and when adjusting the white/black thingy in PhotoShop I was surprised to spot a Perseid. I have made no other adjustments with P/shop.   You can see part of  Cassiopeia at the top right and part of  perseus bottom right with Polaris to the left of image." - Tony H
By Andy Heenan. 1st February 2016.  Canon EOS 600D  f/4.5: 1/250 sec: ISO-100
* Polar stratospheric clouds or PSCs, also known as nacreous clouds,  from nacre, or mother of pearl, due to its iridescence, are clouds in the winter polar stratosphere at altitudes of 15,000-25,000 meters (49,000-82,000 ft). They are best observed during civil twilight when the sun is between 1 and 6 degrees below the horizon as well as in winter and in more northerly latitudes. They are implicated in the formation of ozone holes. The effects on ozone depletion arise because they support chemical reactions that produce active chlorine which catalyzes ozone destruction, and also because they remove gaseous nitric acid, perturbing nitrogen and chlorine cycles in a way which increases ozone destruction.

**Due to high temperatures in the upper atmosphere noctilucent clouds have been in very short supply.  There have been very few reports but Ken managed to get two images in mid June.  Then on  the night of 1st-2nd July they returned with some magnificent displays.  The slideshow features two from ken of mid June followed by several from observers of the July display.
Nacreous Clouds*
By Ken Kennedy. Canon EOS 100D at 24mm focal length at f4 for 6 seconds, 200 ISO. "NLC display seen 17/18 July 2017 from 2316 - 0219 UT.  Low (8 degrees) towards the north (see image 0002 UT) showing type II & III forms."- Ken K
Noctilucent Clouds**
A double rainbow taken by Bill Samson whilst travelling on a bus, taken through the window on a moble phone.  Thanks Bill.
Earth atmospheric Phenomena
Aurora by Pam Foster. 1st March 2017  23:49.  Canon EOS 600D, f/5   30 seconds  ISO-800.  “Was too busy watching the display when it was at its best, but this is my best image from last night!!
Aurorae
Meteors
Sundogs, rainbows, clouds, UFO's and any other phenomena occurring in the Earths atmosphere.

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Earth's Atmosphere