iOptron CEM40 User Manual

40
Named Stars
1 Acamar 50 Alrescha 99 Deneb el Okab 148 Lalande 21185
2 Achernar 51 Alshain 100 Deneb Kaitos 149 Lesath
3 Achird 52 Altair 101 Denebakrab 150 Mahasim
4 Acrab 53 Altais 102 Denebola 151 Maia
5 Acrux A 54 Alterf 103 Dschubba 152 Marfik
6 Acrux B 55 Aludra 104 Dubhe 153 Marfikent
7 Acubens 56 Alula Australis 105 Edasich 154 Markab
8 Adhafera 57 Alula Borealis 106 El Rehla 155 Markeb
9 Adhara 58 Alya 107 Electra 156 Matar
10 Adid Australis 59 Ancha 108 Elnath 157 Mebsuta
11 Ahadi 60 Ankaa 109 Eltanin 158 Megrez
12 Al Dhanab 61 Antares 110 Enif 159 Meissa
13 Al Dhibain Prior 62 Apollyon 111 Errai 160 Mekbuda
14 Al Kab 63 Arcturus 112 Fomalhaut 161 Menkalinan
15 Al Nair 64 Arkab Prior 113 Furud 162 Menkar
16 Al Nair al Baten 65 Arneb 114 Gacrux 163 Menkent
17 Al Niyat(Sigma) 66 Ascella 115 Gatria 164 Menkib
18 Al Niyat(Tau) 67
Asellus Australis
116 Giausar 165 Merak
19 Albaldah 68
Asellus Borealis
117 Gienah Corvi 166 Merope
20 Albali 69 Aspidiske 118 Gienah Cygni 167 Mesartim
21 Albireo 70 Atik 119 Girtab 168 Miaplacidus
22 Alchiba 71 Atlas 120 Gliese 1 169 Mimosa
23 Alcor 72 Atria 121 Gomeisa 170 Mintaka
24 Alcyone 73 Avior 122 Graffias(Zeta) 171 Mira
25 Aldebaran 74 Azha 123 Groombridge 1830 172 Mirach
26 Alderamin 75 Barnard's Star 124 Gruid 173 Mirfak
27 Alfirk 76 Baten Kaitos 125 Grumium 174 Mirzam
28 Algenib 77 Beid 126 Hadar 175 Mizar
29 Algenubi 78 Bellatrix 127 Hamal 176 Mu Velorum
30 Algieba 79 Beta Hydri 128 Han 177 Muhlifain
31 Algiedi Secunda 80 Betelgeuse 129 Hatsya 178 Muphrid
32 Algol 81 Betria 130 Head of Hydrus 179 Muscida
33 Algorab 82 Biham 131 Homam 180 Naos
34 Alhakim 83 Birdun 132 Iritjinga(Cen) 181 Nashira
35 Alhena 84 Canopus 133 Izar 182 Navi
36 Alioth 85 Capella 134 Kakkab Su-gub Gud-Elim 183 Nekkar
37 Alkaid 86 Caph 135 Kapteyn's Star 184 Nihal
38 Alkalurops 87 Castor A 136 Kaus Australis 185 Nunki
39 Alkes 88 Castor B 137 Kaus Borealis 186 Nusakan
40 Almaaz 89 Cebalrai 138 Kaus Media 187 Palida
41 Almach 90 Chara 139 Keid 188 Peacock
42 Alnasl 91 Chertan 140 Kekouan 189 Phact
43 Alnilam 92 Choo 141 Kitalpha 190 Phecda
44 Alnitak 93 Cor Caroli 142 Kochab 191 Pherkad
45 Alpha Muscae 94 Cursa 143 Koo She 192 Polaris
46 Alpha Tucanae 95 Dabih 144 Kornephoros 193 Pollux
47 Alphard 96 Deltotum 145 Kraz 194 Porrima
48 Alphecca 97 Deneb 146 Kurhah 195 Procyon
49 Alpheratz 98 Deneb Algedi 147 Lacaille 9352 196 Propus

iOptron CEM40 Specifications

General

Mount	Center-balanced Equatorial Mount (CEM)
Structure Material	All metal, CNC machined
Exterior finish	Anodized red/black
Level indicator	Level bubble
Dovetail saddle	8" Losmandy D & Vixen
Hand Controller	Go2Nova® HC, 212, 000 objects database, star recognition
Cable management	Yes
Tripod	LiteRoc 1.75" Stainless Steel(7kg), optional tri-pier
Max payload*	40 lb (18kg), exclude counterweight
Payload/Mount weight ratio	2.28:1
PEC	PPEC/Real time PEC
Tracking accuracy (PE)**	<±7.5 arcsec p-p (CEM40, CEM40G), or <0.3 arcsec RMS (CEM40EC)
Motor resolution	0.08 arc seconds
Slew speed	1×, 2×, 8×, 16×, 64×, 128×, 256×, 512×, MAX(~4.5°/sec)
Latitude adjustment range	0°~ 60° (special CW shaft mounting if <10° )
Azimuth adjustment range	± 6°
Operation temperature	-10°C ~ +40°C
Right Ascension worm wheel	Φ110mm, 216 teeth aluminum
Declination worm wheel	Φ110mm, 216 teeth aluminum
Counterweight shaft	Φ28X280 mm, Stainless Steel (1.2 kg)
Counterweight	11 lb (5 kg) X1
Motor drive	Precision stepper motor, 1.8º/128X micro-step
Meridian treatment	Stop (0-14° pass), auto flip
Power consumption	0.6A(Tracking), 0.9A(GOTO)
Power requirement	12V DC 5A
AC adapter	100V ~ 240V (included, indoor use only)
Polar Scope	Internal iPolarTM electronic polar scope
GPS	Yes
WIFI	External (optional)
Guiding scope/camera	Built in guiding scope and camera, iGuiderTM (CEM40G)
Autoguide port	ST-4
Communication port	USB Port (on mount)
PC computer control	Yes (ASCOM)
Warranty	Two year limited

Weight and Dimensions

Mount weight	17.4 lb (7.9kg)
Mount base size	Φ120 mm