movement2, 3, 7, 8, 9, 10, 11, 12, 13, 14, 

optocoupler........................ 36, 73, 92, 93 

18, 21, 22, 23, 24, 27, 28, 29, 30, 31, 

Optocoupler, Losmandy.... 36, 73, 92, 93 

32, 33, 35, 38, 40, 41, 42, 43, 44, 45, 

orthogonality ................................. 16, 31 

50, 51, 53, 56, 57, 58, 59, 60, 61, 64, 

OTA............... 3, 6, 12, 13, 33, 59, 60, 73 

70, 71, 73, 85, 86 

outlet, autoguider... 34, 35, 36, 55, 92, 93 

manual ....................................... 10, 11 

P 

telescope ............................................ 3 

Moving Speeds 10, 16, 34, 55, 57, 64, 76 

parameters 12, 16, 32, 33, 44, 45, 50, 54, 

61, 67, 81, 94 

N 

modeling..... 12, 16, 25, 30, 31, 32, 33, 

native commands, Gemini. 68, 81, 87, 89 

45, 50, 68, 81 

navigation ...................................... 10, 15 

Park Mount........................ 59, 63, 64, 78 

Nebulae.............................. 49, 52, 76, 79 

PAS...................................................... 29 

New General Catalog1, 7, 19, 46, 47, 48, 

PC1, 4, 19, 22, 26, 27, 50, 54, 57, 63, 65, 

52, 75, 79 

66, 67, 68, 69, 73, 74, 81, 84, 91 

NGC ........ 1, 7, 19, 46, 47, 48, 52, 75, 79 

PC control.................................. 4, 26, 27 

NMEA protocol................................... 69 

PEC. 2, 20, 26, 34, 36, 37, 38, 39, 40, 41, 

None/Terrestrial tracking speed ... 23, 56, 

55, 58, 77 

76 

Off (On)............................... 37, 38, 58 

non perpendicularity ........................... 33 

Train .............................. 37, 38, 58, 77 

non perpendicularity, axis................... 33 

periodic error .... 2, 20, 34, 36, 37, 38, 40, 

NonStellar Objects ........................ 52, 75 

41, 58 

null modem cable ................................ 65 

control..... 2, 20, 26, 34, 36, 37, 38, 39, 

numeric data ........................................ 10 

40, 41, 55, 58, 77 

nutation................................................ 47 

perpendicularity................................... 33 

personal computer .... 1, 4, 19, 22, 26, 27, 

O 

50, 54, 57, 63, 65, 66, 67, 68, 69, 73, 

object 

74, 81, 84, 91 

faint.............................................. 4, 53 

Photo Mode .. 2, 4, 11, 16, 35, 55, 63, 64, 

Object 

73, 76, 78, 88 

Database ...... 19, 30, 42, 44, 46, 50, 75 

photograph......................... 11, 25, 27, 35 

Search .................. 4, 42, 52, 53, 76, 83 

photography................................... 26, 50 

types ................................................ 52 

physical features.................................... 2 

objects... 1, 3, 4, 6, 11, 16, 17, 18, 19, 20, 

Planetaries/SNR ............................ 52, 75 

21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 

planetarium software .. 1, 3, 4, 54, 63, 67, 

31, 34, 35, 38, 40, 42, 44, 45, 46, 47, 

69, 70, 72, 74 

48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 

play, mechanical...................... 17, 29, 31 

63, 69, 72, 73, 75, 76, 79, 81, 84, 85, 

pointing 

86, 87, 89 

accuracy........................................... 72 

Messier ........ 19, 46, 47, 48, 52, 75, 79 

coordinates ........................................ 4 

Objects 

model 3, 16, 17, 18, 20, 25, 29, 30, 32, 

NonStellar.................................. 52, 75 

33, 34, 43, 44, 45, 46, 61, 62, 73, 

Stellar ........................................ 52, 75 

75, 81, 82 

off axis guider ..................................... 35 

polar 

operational features ............................... 2 

alignment 3, 12, 13, 14, 20, 25, 29, 30, 

optical tube assembly3, 6, 12, 13, 33, 59, 

31, 34 

60, 73 

Polar 

Gemini Users Manual 

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