pgm converts RA & DEC of celestial objects to Altitude & Azimuth. I use it for a small scope I take on vacation. Each command is seperated by a comma below. lbl H,fix 2, input U,input D, input L, 6.619 , rcl D,0.0657, * , +, rcl U, 1.0027, *, +, rcl L, 15, /, -, 24, X exchange Y, X less equals Y, -, STO W, input R, rcl W, rcl R, -, 15, *, sto X, rcl X, sin, stoY, input C, sin, rcl T, sin, *, rcl C, cos, rcl T, cos, rcl X, cos, *, *, +, asin, sto V, rcl V, sin, rcl C, sin, rcl T , sin , rcl V, sin, *, -, enter, rcl T, cos, rcl V, cos, *, /, acos, rcl Y, X greater or equal 0 ?, xeq Eoo1, Roll down, xeq foo1, lbl E, roll down, 360, X exchange, -, sto W, lbl F , sto Z, view Z, rcl V, view V, rtn , Z=azimuth in decimal degrees, V= altitude in dec degrees, U= GMT in decimal minutes, ie 4hours 15 minutes=4.25, D = day number, L = longitude of observor,T = latitude of observor, R= RA, C = declination-both in decimal degrees. In part 2 I will explain how to use pgm. I am not an engineer etc so I am sure people will come up with shorter/faster changes- also I cant actually label the various names like I CAN IN MY 42S , HOPEFULLY someone can show us how to do this on the 35s?! I have used this pgm for past 3 weeks and it gets me within a few degrees of the object. Howard

No offense, but this very hard to read.

Howard,

Please don't reply this post. Just try to edit it. When you'll get to the editing window copy from the first pre on, then paste it to your own post. Make the necessary corrections and changes you like. When you're done, I'll delete this.

Regards,

Gerson.

H001	LBL H		H022	-		H043	RCL X		H064	COS

H002	FIX 2		H023	STO W		H044	COS		H065	*

H003	INPUT U		H024	INPUT R		H045	*		H066	/

H004	INPUT D		H025	RCL W		H046	*		H067	ACOS

H005	INPUT L		H026	RCL R		H047	+		H068	RCL Y

H006	6.619		H027	-		H048	ASIN		H069	x>=0?

H007	RCL D		H028	15		H049	STO V		H070	XEQ E001

H008	0.0657		H029	*		H050	RCL V		H071	ROLL DOWN

H009	*		H030	STO X		H051	SIN		H072	XEQ F001

H010	+		H031	RCL X		H052	RCL C		E001	LBL E

H011	RCL U		H032	SIN		H053	SIN		E002	ROLL DOWN

H012	1.0027		H033	STO Y		H054	RCL T		E003	360

H013	*		H034	INPUT C		H055	SIN		E004	x<>y

H014	+		H035	SIN		H056	RCL V		E005	-

H015	RCL L		H036	RCL T		H057	SIN		E006	STO W

H016	15		H037	SIN		H058	*		F001	LBL F

H017	/		H038	*		H059	-		F002	STO Z

H018	-		H039	RCL C		H060	ENTER		F003	VIEW Z

H019	24		H040	COS		H061	RCL T		F004	RCL V

H020	x<>y		H041	RCL T		H062	COS		F005	VIEW V

H021	x<=y?		H042	COS		H063	RCL V		F006	RTN 

Edited: 20 Aug 2007, 10:14 p.m. after one or more responses were posted

site would not accept my edit, only a few corrections are necessary following your numbering of pgm steps. HO12 should read 1.0027, EOO4 should read X exchange Y , every thing else OK, thanks for your help, Howard

I agree, see above posts, Howard

Fixed!

You might want to take a look at advanced formatting techniques.

Regards,

Gerson.

Edited: 20 Aug 2007, 10:14 p.m.

as you probably deduced, Im not a computer person - however I will ck out the formatting techniques, Howard