SIGHT REDUCTION WORK FORM FOR ABHAV METHOD


	Date ____________	Body  ____________	Ht eye ____________
				                  N
	ZT   ____________       DR L  ____________S     Hs     ____________
	       	                                  E
	GMT  ____________       DR Lo ____________W     IC     ____________
       	                 
	G date __________                               Dip    ____________
                        
							Ha     ____________
	SHA  ____________
	                                                Main   ____________
	GHA___                  Dec               N
	      	                 hr   ____________S     moon   ____________
	  hr ____________
	       	                d corr ___________      addl   ____________
	 m/s ____________                         N	
	                        Dec   ____________S	
	v corr __________                               total
	                                                corr.  ____________
	GHA  ____________

	DR Lo____________

	LHA  ____________

	t    ____________                               Ho     ____________


        	    INTERCEPT and AZIMUTH by ABHAV METHOD 

	Enter L & D south as (-)             p=90-D
	Only observe L & D signs in calculating (L~D) & (L~H)

	            E
	t   ________W  A _______        p   ________   B _______
	       	    N
	D   ________S  C+_______        L~Hc________   B-_______
	            N
	L   ________S  C+_______                      =B _______ --> A _______

	              =A _______-> B _______

	L~D ________   ----------> B+_______
	                                     L _______-> C _______
	z   ________   <--------- =B _______   

	Hc  ________   --------------------------------> C+_______
	     90-z
	                                                 S=_______-> S-_______
	Ho  ________                                                           
	                   T (Ho greater)     If t is W Zn=360-Z, else Zn=Z
	a   ________ miles A (Hc greater)
			                                     E
				Zn _______ <---- Z N________ W <---- A=_______

	form abhav_sr2   rev Nov 89

				FIGURE 2