19 2014 during the comet s close flyby of mars and the spacecraft.
													
																	Comet c 2013 a1 siding spring. 
									
	
		
	
																	The first finder chart has a field of view of 50 degrees while the second one has a field of view of 10 degrees. 
																	Below we provide comet c 2013 a1 siding spring finder charts showing where the object is right now in the sky with respect to the brightest stars. 
																	After posting at the minor planet center s neocp webpage mcnaught. 
																	19 comet c 2013 a1 comet siding spring will pass within about 87 000 miles 139 500 km of mars. 
															
													
									
	
		
	
																	20 with the comet at r 1 40 au using the hall 1 1 m telescope at lowell observatory. 
																	Comet c 2013 a1 siding spring position and finder charts. 
																	C 2013 a1 siding spring is an oort cloud comet discovered on 3 january 2013 by robert h. 
																	Haser 1 2 x 10 28 molecules s with an uncertainty of. 
															
													
									
	
		
	
																	Schleicher lowell observatory obtained two narrowband photometry sets of comet c 2013 a1 on oct. 
																	Mcnaught at siding spring observatory using the 0 5 meter 20 in uppsala southern schmidt telescope. 
																	These images were taken of comet c 2013 a1 siding spring by nasa s mars reconnaissance orbiter on oct. 
																	3 discovery observations tabulated below. 
															
													
									
	
		
	
																	Nasa s extensive fleet of science assets particularly those orbiting and roving mars have front row seats to image and study this once in a lifetime flyby. 
																	Comet siding spring c 2013 a1 is racing toward mars for a close encounter on october 19 2014. 
																	Just weeks before the historic encounter of comet c 2013 a1 siding spring with mars in october 2014 nasa s mars atmosphere and volatile evolution maven spacecraft entered orbit around the red planet. 
																	These observations were acquired only about 8 hr after the comet s closest approach to mars and yield the following mean production rates. 
															
													
									
	
		
	
																	Comet siding spring is. 
																	At the time of discovery it was 7 2 au from the sun and located in the constellation lepus comet c 2013 a1 probably took millions of years to come from the oort cloud. 
																	Mcnaught reported the discovery of an apparently asteroidal object on ccd images obtained with the 0 5 m uppsala schmidt telescope on jan.