Daily Archives: December 13, 2013

The Sun Online and solar activity. December 13, 2013

The most active region the last 24 hours were NOAA AR 1917 near the central meridian and 1921, 30 degrees east. We expect more C-flares and a chance of 40% for M-flares.
The C-flaring activity of yesterday December 12 was associated with two plasma eruptions: the flare from NOAA AR 1912 was associated with a SW oriented plasma eruption around 3UT, the flare from NOAA AR 1917 was associated with a SE oriented plasma eruption around 5UT. We don’t expect the CME’s to arrive at Earth.Geomagnetic conditions are quiet at the moment. The northern coronal hole can have a geomagnetic impact: a Kp of 4 is possible from tomorrow onwards.

Equipment: Coronado 90 + SBIG 8300s + LX75
Processing: Photoshop
Date: 12/13/13
Time UT: 17:00
Exposure 0.8 sec.

With SPONLI Space is getting closer!


Geminid Meteor Shower over Dashanbao Wetlands


Image Credit & Copyright: Jeff Dai
The annual Geminid meteor shower is raining down on planet Earth this week. And despite the waxing gibbous moonlight, the reliable Geminids should be enjoyable tonight (night of December 13/14) near the shower’s peak. Recorded near last year’s peak in the early hours of December 14, 2012, this skyscape captures many of Gemini’s lovely shooting stars. The careful composite of exposures was made during a three hour period overlooking the Dashanbao Wetlands in central China. Dark skies above are shared with bright Jupiter (right), Orion, (right of center) and the faint band of the Milky Way. The shower’s radiant in the constellation Gemini, the apparent source of all the meteor streaks, lies just above the top of the frame. Dust swept up from the orbit of active asteroid 3200 Phaethon, Gemini’s meteors enter the atmosphere traveling at about 22 kilometers per second.


Planetary nebula Jones-Emberson 1

Processed with MaxIm DL
Jones-Emberson 1
 (PK 164+31.1) is a 14th magnitude planetary nebula in the constellation Lynx at a distance of 1600 light years. It is a larger planetary with low surface brightness. The 16.8-magnitude central star is very blue white dwarf.

20 in RC Optical Systems telescope Operating at f/8.4
Paramount ME Robotic Telescope Mount
SBIG ST10XME CCD camera with color filter wheel

L R G B color production was used to create this image:
L = 105 minutes binned 1×1
Red = 20 minutes binned 2×2
Green = 20 minutes binned 2×2
Blue = 20 minutes binned 2×2

Autor: Adam Block

AstroPhotography of the day by SPONLI
13 December 2013

We select the best works of amateur astrophotographers with details of equipment, shooting processing etc.