[940x]
NGC 3576
http://www.flickr.com/photos/enlubugo/
Copyright: Enrique Luis

[830x]
While I was observing (and shooting) the milky way, a nice Iridium flare appaered.
Canon 6D, samyang 14mm, 30s, f2.8, 6400 iso
After a few search, this is Iridium 13.
http://alexandre.croisier.free.fr/

[830x]
Looking up
http://www.sgarciarill.com
http://www.facebook.com/s.garcia.rill
Copyright: Sergio Garcia Rill

[830x]
Active Sun
http://www.astrofotografen.se
Copyright: Göran Strand

[800x]
Aurora borealis near Kiiminki, Finland
Copyright: Thomas Kast

[830x]
Here is a photo of star trails with an Eta Aquarid Meteor and lightinings over Ankara, Turkey.
Image by Efe Tuncel

[830x]
El Bosque Encantando (Cuenca-España)
©Dani Caxete
http://www.danikxt.com.es/fotografia/inicio.html

[830x]
Las Majadas (Cuenca-España)
© Dani Caxete
http://www.danikxt.com.es/fotografia/inicio.html

[630x]
Sun in CaK light (Calcium II K) May 5, 2013
Copyright: Álvaro Ibáñez Pérez
Web: http://www.flickr.com/photos/kokehtz‬

[830x]
http://www.ried-sternwarte.de
Copyright: Vladimir Rau

[830x]
Moon Halo in Desert
Copyright: Majid Ghohroodi

[930x]
Gegenschein and Zodiacal light at midnight
Copyright: Igor Veniaminov

[830x]
NGC7635
http://www.colorsofyesterday.org/
Copyright: François Chevenet

[830x]
Galaxy Grouping in Ursa Major
http://www.martinpughastrophotography.id.au/
Copyright: Martin Pugh