Hiker on climbing trail in hiking area of Pic de Coma Pedrosa, Andorra's highest mountain, Parish of La Massana, Andorra, Pyrenees, Europe

Mountain lake, hiking area of Pic de Coma Pedrosa, Parish of La Massana, Andorra, Pyrenees, Europe

Hikers on bridge in hiking area of Pic de Coma Pedrosa, Parish of La Massana, Andorra, Pyrenees, Europe

View north west across the Arinsal Valley to Pic de Coma Pedrosa in early summer, Percanela, Arinsal, Andorra

Comet Lovejoy (C/2104 Q2) on the night of Dec. 27/28, 2014, as it was approaching the globular cluster M79 at upper right, in Lepus. This is a stack of 5 x 3 minute exposures at ISO 2500 with the Canon 5D MkII and TMB 92mm refractor at f/4.4. Taken from near Silver City, New Mexico.

Comet Holmes, 17P, taken Nov 1, 2007 on excellent night. Taken with A&M 105mm apo refractor at f/5 with Borg 0.85x compressor/field flattener on SkyWatcher HEQ5 mount. Canon 20Da camera at ISO400. Composite of 4 min, 2min, 1min, 30sec, 15sec, and 7 sec exposures, each exposure being a stack of 3 to 4 identical exposures. Registered and stacked in Photoshop (HDR mode did not produce usable result, so manually composited with sucessively smaller masks to reveal short exposure content around nucleus. Contrast exaggerated with Curves to bring out very faint tail structure. North up, so tail to the S and SW.Nucleus is dot at upper left of inner coma, other star in inner coma at right is a field star

A telescopic closeup of Comet Lovejoy (C/2014 Q2) on January 17, 2015, showing structure in the ion gas tail, in the form of streamers and discontinuities in the tail.

Floodlit beach of Sa Coma shortly before sunrise, Majorca, Balearic Islands, Spain, Europe

Deserted lonely beach in the early season El Vendrell, Coma Ruga Costa Dorada Spain