Members

LiveZilla Live Chat Software
phases of the Moon
queries in seconds.
Оbservatory 1
Connection error

The Weather

Sky temperature:
Temperature
Humidity
Dew Point
Cloudiness
Wind
Illumination

Observatory cameras

Telescopes – state



Full image
Author
Date
February 17, 2015
Time
23:51
Expose
- / - s.

Solar activity 17/02/2015

Place:
Telescop:
Camera:
-/-
file Size:
-/-
The Weather
Source files
Sky temperature:
--//--
Temperature:
--//--
Humidity:
--//--
Cloudiness:
--//--
Wind:
--//--
Dew Point:
--//--
Object category


INFO FROM SIDC - RWC BELGIUM 2015 Feb 17 12:30:55

 

The solar activity during the past 24 hours was very low with only limited flaring activity at the B-level from NOAA active region (AR) 2282. All regions (AR) NOAA 2282, 2284 and 2285 were relatively stable or showed slight decay. Within the next 48 hours flaring activity is expected to increase to the C-level, with a few returning regions as potential source regions, like the old NOAA region 2268. No Earth-directed CMEs were observed. The interplanetary magnetic field was variable with a magnitude between 10 and 16 nT and a varying Bz component between -12 and 11 nT. The phi angle mostly was negative through the period. The solar wind speed remained mostly at 350 km/s, with more variation from 4 UT on, reaching values up to 440 km/s. Geomagnetic conditions were quiet to unsettled, with a single time slot of active conditions  at the local level (K=4, Dourbes). Geomagnetic conditions are expected to remain so, until the arrival of a high speed stream (HSS) from a negative northern coronal hole estimated from the end of 20th of February.






Загрузка...