... diameter and an effective focal length of 15m, allowing observation of Sun with a ... focal length of the ARCA telescopes is 15m, ensuring an angular resolution of 0.18 ...
... X-ray emission of the Sun from 14.09.2013 to 15.09.2013 (GOES-15) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...
... X-ray emission of the Sun from 14.02.2015 to 15.02.2015 (GOES-15) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...
... X-ray emission of the Sun from 14.09.2012 to 15.09.2012 (GOES-15) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...
... X-ray emission of the Sun from 14.11.2015 to 15.11.2015 (GOES-15) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...
... X-ray emission of the Sun from 14.02.2012 to 15.02.2012 (GOES-15) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...
... X-ray emission of the Sun from 14.07.2011 to 15.07.2011 (GOES-15) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...
... X-ray emission of the Sun from 14.10.2007 to 15.10.2007 (GOES-) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...
... X-ray emission of the Sun from 14.10.2009 to 15.10.2009 (GOES-10) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...
... X-ray emission of the Sun from 14.10.2005 to 15.10.2005 (GOES-) . No solar flares of C, M and X-class were observed today . ... No solar flares of C, M and X-class were observed today . No solar flares of C, M and X-class were observed yesterday . ...