Comet 17P/Holmes Outer Faint Halo Visible 10/30/07 Comet 17P/Holmes outer faint halo visible, semi-wide field image taken on 10/30/07. By gi_admin|2019-07-08T02:30:57+00:00October 30th, 2007|Past Event|0 Comments Related Posts Total Lunar Eclipse Sequence 2/20/2008 February 20th, 2008 | 0 Comments Total Lunar Eclipse 2/20/2008 February 20th, 2008 | 0 Comments Comet 17P/Holmes Super Wide Angle 10/30/07 October 30th, 2007 | 0 Comments Comet 17P/Holmes 10/29/07 October 29th, 2007 | 0 Comments Comet 17P/Holmes Photographic Finder Chart 10/29/07 October 29th, 2007 | 0 Comments