©
Sky Watchers Association of North Bengal - SWAN - : Comet Hale Bopp. 23rd March 1997
©
Sky Watchers Association of North Bengal - SWAN - : Comet HALE BOPP. 20th April 1997
©
Sky Watchers Association of North Bengal - SWAN - : Hartley 103 P.
©
Sky Watchers Association of North Bengal - SWAN - : Comet LOVEJOY. C/2013 R1
©
Sky Watchers Association of North Bengal - SWAN - : Comet LOVEJOY. C/2013 R1
©
Sky Watchers Association of North Bengal - SWAN - : Comet Lovejoy
©
Sky Watchers Association of North Bengal - SWAN - : LOVEJOY C/2013 R1
©
Sky Watchers Association of North Bengal - SWAN - : LOVEJOY. C/2013 R1
©
Sky Watchers Association of North Bengal - SWAN - : Comet ISON C/2012 S1
©
Sky Watchers Association of North Bengal - SWAN - : Comet 46P/ Wirtanen
©
Sky Watchers Association of North Bengal - SWAN - : Winter with the Christmas Comet
©
Sky Watchers Association of North Bengal - SWAN - : Pleiades and Comet 46/P Wirtanen.