The solar activity is low and the strongest flare observed during last 24 hours was long duration C6.8 flare peaking at 22:24 UT on May 13. The flare originated from the Catania sunspot group 43 (NOAA AR 2056). No clear signatures of CME possibly associated with this flare were observed in the coronagraph data. We expect C-class flares, in particular from the newly and fast emerging active region currently situated close to the east solar limb. An isolated M-class flare is possible but not very probable. Earth is currently inside of a slow solar wind with a speed of 350 km/s. The interplanetary magnetic field magnitude is about 6 nT. The fast flow associated with the small equatorial corona hole which reached the central meridian on May 12 might arrive at the Earth on May 15, producing at most unsettled geomagnetic conditions. We expect quiet to unsettled geomagnetic conditions in the following 48 hours.
Equipment: Coronado 90 + Imaging Source DMK + LX75
Processing: Photoshop, Avistack 30 frames
Time UT: 18:00
Exposure 1/500 sec.
With SPONLI Space is getting closer
Composite Image Credit & Copyright: Assembly/Processing – Rolf Olsen,
Data – Voyager 2, NASA Planetary Data System
Cruising through the outer solar system, the Voyager 2 spacecraft made its closest approach to Neptune on August 25, 1989, the only spacecraft to visit the most distant gas giant. Based on the images recorded during its close encounter and in the following days, this inspired composited scene covers the dim outer planet, largest moon Triton, and faint system of rings. From just beyond Neptune’s orbit, the interplanetary perspective looks back toward the Sun, capturing the planet and Triton as thin sunlit crescents. Cirrus clouds and a dark band circle Neptune’s south polar region, with a cloudy vortex above the pole itself. Parts of the very faint ring system along with the three bright ring arcs were first imaged by Voyager during the fly-by, though the faintest segments are modeled in this composited picture. Spanning 7.5 degrees, the background starfield is composed from sky survey data centered on the constellation Camelopardalis, corresponding to the outbound Voyager’s view of the magnificent Neptunian system.
NASA APOD 15-May-14
NGC 6188 is an emission nebula located about 4,000 light years away in the constellation Ara. The bright open cluster NGC 6193, visible to the naked eye, is responsible for a region of reflection nebulosity within NGC 6188.
NGC 6188 is a star forming nebula, and is sculpted by the massive, young stars that have recently formed there – some are only a few million years old. This spark of formation was probably caused when the last batch of stars went supernova.
Imaging telescopes or lenses: Meade Series 5000 80mm Apo
Imaging cameras: Canon 500D (Mod)
Mounts: Orion USA Atlas EQ-G Computerized GoTo Telescope Mount
Guiding telescopes or lenses: Orion USA 80mm Short-tube
Guiding cameras: Orion StarShoot AutoGuider
Software: Alignmaster, PHD guiding, BinaryRivers BackyardEOS, photoshop, Cartes du Ciel, Luc Coiffier’s DeepSkyStacker Live
Filters: Astronomik CLS Canon EOS Clip
Accessories: Astro-Tech 2″ Field Flattener
Dates: April 27, 2014
Integration: 1.9 hours
Author: Wellerson Lopes
AstroPhotography of the day by SPONLI 15 May 2014