Keep in mind, though, the magnitudes on ATel are R-band (red). There are two V estimates on AAVSO from last night at 12.6 and 12.935 (the first is a visual estimate and the second is with a V-band...
Type: Posts; User: Steve Gottlieb; Keyword(s):
Keep in mind, though, the magnitudes on ATel are R-band (red). There are two V estimates on AAVSO from last night at 12.6 and 12.935 (the first is a visual estimate and the second is with a V-band...
Back in April 2010 I wrote an article in Sky & Tel on observing blazers. Here's a snippet from that piece.
"...Astronomers now classify these objects as blazars, a term coined in 1978 by Columbia...