Thursday, 19 February 2015

Emission bands in Eta Carinae

Oops! Emission band of Halpha and Hbeta were visible on 2015 Feb 22nd.  The earlier negative is likely due to seeing and patchy cirrus on the 19th.

Disregard: (STOP PRESS!  2015 Feb 19 showed no emission bands in the spectrum of Eta Car. They were last logged by writer 2014 Dec 28: when strongly visible. A confirming log will be made as soon as. More on this event soon.
See this blog entry 2014 Jun 22. Emission points no longer present it seems.)