Comet C/2012 S1 Ison: spectrum (17 Oct. 2013)
Above is a zoom on the spectrum of comet C/2012 S1 Ison we took a few nights ago, using a 100 lines/mm grating and the Celestron C14 robotic unit part of the Virtual Telescope....
Daily Archive: October 21, 2013
Comet C/2013 R1 Lovejoy: an image (20 Oct. 2013)
Comet Ison is not the only interesting comet around these weeks. Early last September, comet C/2013 R1 Lovejoy was discovered and it showed to be an interesting object. Comet Lovejoy will be a nice sight...
