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Appendix A. Technical Specifications

Mount

Center-Balanced Equatorial Mount (CEM)

Payload

Up to 27 lb (12.3kg), exclude counterweight

Mount weight

10.4 lb (4.7kg)

Payload/Mount weight

2.60

Right Ascension worm wheel

Φ88mm, 144 teeth aluminum

Declination worm wheel

Φ88mm, 144 teeth aluminum

Right Ascension axis shaft

Φ35mm steel

Declination axis shaft

Φ35mm steel

Right Ascension bearing

Φ55mm ball bearing

Declination bearing

Φ55mm ball bearing

Worm gears

Brass

Motor drive

1.8° stepper motor, 128X microdivision

Resolution

0.14 arc seconds

Transmission

Synchronous belt

Latitude adjustment range

0º ~ 60º

Azimuth adjustment range

± 10º

GPS

Internal 32-channel GPS

Polar Scope

AccuAlign

G2 dark field illuminated

Level indicator

Level bubble

Hand Controller

Go2Nova

8408 with 150,000 objects database

PEC

PEC/Real time PEC

<0.3 arcsec RMS (CEM25EC only)

Tracking

Automatic

Speed

1×,2×,8×,16×,64×,128×,256×,512×,MAX(1440X)

Counterweight shaft

Φ20mm

Counterweight

10.4 lb (4.7kg)

Tripod

1.5" Stainless Steel(5kg), optional 2"(8kg)

Dovetail saddle

Spring loaded Vixen-style

Power consumption

0.35A(Tracking), 0.6A(GOTO)

Power requirement

12V DC(9 ~ 15V), 1.5Amp

AC adapter

100V ~ 240V (included)

Serial port

Yes (on hand controller)

Autoguide port

Yes

Firmware upgrade

Yes

PC computer control

Yes (ASCOM)

Operation temperature

-10ºC ~ 40ºC

Warranty

Two year limited

Содержание CEM25

Страница 1: ...iOptron CEM25 Center Balanced Equatorial Mount Instruction Manual Product 7100E 7102E 7100 EC 7102 EC...

Страница 2: ...ount firmly when disengaging or adjusting the gear switches Otherwise personal injury and or equipment damage may occur Any worm system damage due to improper gear meshing slippage will not be covered...

Страница 3: ...entifying Function 24 4 6 Gear Tension Adjustment 24 4 7 GOTO and Tracking Position Memorization 24 4 8 Turn Off the Mount 24 5 Complete Functions of Go2Nova 8408 Hand Controller 25 5 1 Slew to an Obj...

Страница 4: ...5 9 Zero Position 32 5 9 1 Goto Zero Position 32 5 9 2 Set Zero Position 32 6 Maintenance and Servicing 33 6 1 Maintenance 33 6 2 iOptron Customer Service 33 6 3 Product End of Life Disposal Instructi...

Страница 5: ...use with a large 4 line LCD screen to easily set up your telescope and select where you want to go The CEM25 a new category of viewing and astrophotography Features A new design Center Balanced equato...

Страница 6: ...ear Switch to OPEN position When engaging the gear system turn the Gear Switch to LOCK position first Then tighten the Tension Adjuster Tension Adjusters OPEN LOCK Gear Switch WARNING Never disengage...

Страница 7: ...ler Cable X 2 one long coiled cable and one short straight cable straight wired 6P6C Serial cable RS232 to RJ9 Short latitude adjustment knob 1 5 inch Tripod 7100 or 2 inch Tripod 7102 Tripod spreader...

Страница 8: ...g Screw Polar Axis Cover Polar Scope Cover Polar Axis R A axis Azi Adj Knob Lat Adj Knob Lat Locking T bolt CW mounting nose Front CW position screw R A Drive Unit DEC Drive Unit Dovetail Saddle Main...

Страница 9: ...ories such as a laser pointer or a planetary dome control DO NOT plug guiding camera cable into it or the camera will be damaged HBX Hand Box For connecting to an 8408 Hand Controller Reticle Power su...

Страница 10: ...ding an arrow key for a fast scrolling Number Keys Input numerical values Also used to adjust slewing speeds 1 1X 2 2X 3 8X 4 16X 5 64X 6 128X 7 256X 8 512X 9 MAX Key Identify and display nearby brigh...

Страница 11: ...ount Status Display current operation status of the mount Stop mount is not moving Slew mount is moving with an arrow key is pressed GoTo mount is slewing to a celestial object using Select and Slew 8...

Страница 12: ...12 Figure 7 Do not operate the mount with an unbalanced load...

Страница 13: ...xis alignment equatorial mounts use a combination of both mount types described above The adjustable part of the mount moves in the Alt Az mode in order to align the R A axis also known as the mount s...

Страница 14: ...At lower latitudes of 0 35 the Short Latitude Adj Knob needs to be used To change this knob 1 Remove the Latitude Locking T bolts on both sides do not lose the 4 washers 2 Unscrew bottom post Locking...

Страница 15: ...ur GPS navigator or a GPS capable cell phone You will have to change this latitude setting every time you significantly change your night sky viewing location This setting directly affects the mount s...

Страница 16: ...t gear system and your equipment Make sure the mount is at the zero position i e counterweight shaft is pointing to the ground when installing the counterweight Turn the R A gear switch to OPEN positi...

Страница 17: ...balance the mount in R A axis Figure 15b a b Figure 15 Balance along R A axis a and DEC axis b CAUTION The balance process MUST be done with Gear Switch at OPEN position Otherwise it might damage the...

Страница 18: ...e and site information screen will be displayed Set Local Time The time will be updated automatically when the GPS receiver has established its link with the GPS satellites In the event that the GPS m...

Страница 19: ...to a new observation site The site coordinates information can be found from your smart phone GPS receiver or via the internet Site information in decimal format can be converted into d m s format by...

Страница 20: ...lar Alignment 1 Level the CEM25 mount Make sure the telescope is parallel to the pole axis R A axis of the mount If a finder scope is used adjust it to be parallel to the telescope optical axis You ma...

Страница 21: ...sing MENU Alignment Polar Iterate Align The HC will display the azimuth and altitude position of several bright stars near meridian Select one that is visible with high altitude as Alignment Star A Fo...

Страница 22: ...the mount to Zero Position or use the hand controller to slew the mount to Zero Position Press ENTER to confirm the zero position Check the Zero Position by using MENU Zero Position Goto Zero Positio...

Страница 23: ...he telescope to the desired object Use the number keys to change the slewing speed Then press 0 button to start tracking Press 0 button again to stop the tracking 4 3 Initial Star Alignment Perform a...

Страница 24: ...re clockwise You may need to readjust the Tension Adjuster for different payload 4 7 GOTO and Tracking Position Memorization The CEM25 mount can memorize its R A and DEC positions if the mount loses i...

Страница 25: ...s quasars and nebulae Named Objects consists of 60 deep sky objects with their common names A list of named deep sky objects is included in Appendix E Messier Catalog consists of all 110 Messier objec...

Страница 26: ...f 2 bright stars for polar alignment providing a viable polar alignment approach for those who can t see the pole The system provides three alignment methods to calibrate the mount s GOTO function Sol...

Страница 27: ...ing model accordingly 5 3 5 Polar Iterate Align This alignment method allows you to polar align the mount even if you cannot view the Celestial Pole Press the MENU Alignment Polar Iterate Align The HC...

Страница 28: ...der low temperature or extreme payload condition extra long or large diameter scope Press MENU Settings Set Maximum Slew Rate You can select one of three slew rates The default is MAX 5 4 5 Set Guidin...

Страница 29: ...n flip and when to do it Set Position Limit will tell the mount when to stop tracking or to do a meridian flip The limit can be set at from 0 to 10 40 minutes pass meridian Set Behavior will determine...

Страница 30: ...ro photography The default status is PEC Playback Off when the mount is turned on 5 6 2 Record PEC Here s how to record the PE curve manually 1 Find a bright star relatively close to the object you wa...

Страница 31: ...parameter No Name Year M Day q e I H G C 2012 S1 ISON 2013 11 28 7960 0 0125050 1 0000030 345 5088 295 7379 61 8570 6 0 4 0 Select Add a New Comet to add a new one The hand controller will display the...

Страница 32: ...w to your favorite stars from Custom Objects catalog using Select and Slew 5 8 Firmware Information This option will display the mount type firmware version information for the hand controller HC R A...

Страница 33: ...your name address e mail address purchase info and daytime telephone number We have found that most problems can be resolved by e mails or telephone calls So please contact iOptron first to avoid retu...

Страница 34: ...lt Latitude adjustment range 0 60 Azimuth adjustment range 10 GPS Internal 32 channel GPS Polar Scope AccuAlignTM G2 dark field illuminated Level indicator Level bubble Hand Controller Go2Nova 8408 wi...

Страница 35: ...s Mercury Venus Mars Jupiter Saturn Uranus Neptune Moon Sun Named Stars Binary Stars Constellations Customer Objects Customer R A and DEC Sync To Target Hipparcos Catalog Deep Sky Objects Named Object...

Страница 36: ...Other Objects Zero Position Set Tracking Rate Solar System Align PEC Options Firmware Information PEC Playback Record PE PE Data Integrity Set Guiding Rate Settings Set Time and Site Set Beep Set Disp...

Страница 37: ...de The firmware in the 8408 hand controller and motor control boards can be upgraded by the customer Please check iOptron s website www iOptron com under the product page or Support Directory select C...

Страница 38: ...via ASCOM protocol Windows OS SmartPhone Tablet and Mac OS wirelessly See StarFi Instruction Manual for detailed information To control the mount via ASCOM protocol you need 1 Download and install the...

Страница 39: ...Appendix E Go2Nova Star List Messier Catalog This table is licensed under the GNU Free Documentation License It uses material from the Wikipedia article List of Messier objects...

Страница 40: ...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 Alfir...

Страница 41: ...Regulus 219 Scheat 235 Taygeta 251 Yed Posterior 204 Rigel 220 Schedar 236 Tejat Posterior 252 Yed Prior 205 Rigel Kentaurus A 221 Seginus 237 Thuban 253 Zaniah 206 Rigel Kentaurus B 222 Shaula 238 T...

Страница 42: ...er 20 Cepheus Cep 64 Phoenix Phe 21 Cetus Cet 65 Pictor Pic 22 Chamaeleon Cha 66 Pisces Psc 23 Circinus Cir 67 Piscis Austrinus PsA 24 Columba Col 68 Puppis Pup 25 Coma Berenices Com 69 Pyxis Pyx 26 C...

Страница 43: ...2 13 California Nebula 1499 43 Owl Nebula 3587 97 14 Cat s Eye Nebula 6543 44 Pelican Nebula 5070 15 Cocoon Nebula 5146 45 Phantom Streak Nebula 6741 16 Cone Nebula 2264 46 Pinwheel Galaxy 598 33 17 C...

Страница 44: ...77 HIP 54204 129 HIP 29151 181 HIP 3885 26 HIP 85667 78 HIP 76669 130 HIP 107253 182 HIP 93371 27 HIP 74376 79 HIP 99770 131 HIP 88136 183 HIP 36345 28 HIP 34481 80 HIP 101027 132 HIP 81702 184 HIP 1...

Страница 45: ...to abuse misuse mishandling or unauthorized repair Further product malfunction or deterioration due to normal wear is not covered by this warranty IOPTRON DISCLAIMS ANY WARRANTIES EXPRESS OR IMPLIED...

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