Yamaha G SERIES - Manual

www.iOptron.com 9 TIP: GPS module makes life a lot easier, it automatically sets the time and location for you. TIP: The controller automatically skips those stars below the horizon of your current time and location. 0.3 Getting Started For most beginner users who may not need a lot of astronomical ...

www.iOptron.com 11 Appendix: Check Appendix D for a brief introduction of celestial coordinate systems Chapter.1 Set Up And Alignment 1.0 Basic Symbols R Right ascension D Declination A Altitude Z Azimuth Cele Sidereal speed Sola Solar speed Moon Lunar speed Land Land mode nnX Slewing speed 1.1 Set ...

www.iOptron.com 13 Appendix: Check Appendix B and Appendix C for names of galaxies and constellations WARNING: NEVER LOOK DIRECTLY AT THE SUN WITH THE NAKED EYES OR WITH A TELESCOPE(UNLESS YOU HAVE THE PROPER SOLAR FILTER). PERMANENT AND IRREVERSIBLE EYE DAMAGE MAY RESULT. TIP: You can define and sa...

www.iOptron.com 15 Appendix: Check Appendix A for complete menu structures Chapter. 3 Other Functions 3.1 Sync To Target Matches the telescope's current equatorial coordinates to Target Right Ascension and Declination. 3.2 Electric Focuser If you have an electric focuser in your system, use this opt...

www.iOptron.com 16 TIP: The earth’s axis of rotation is tipped over about 23.5 ° from the vertical. TIP: People usually use alt-zi mode to observe land objects. TIP: People usually use optics that produces normal images (not revered, or up-side-down images) to observe land objects. TIP: Use slower s...

www.iOptron.com 17 TIP: A Full Moon is not the best time to watch the Moon. 4.3 The Moon The Moon, when visible in the night sky, is most likely the first celestial object you want to watch with your new telescope. It is also the most convenient object in the sky to test some of the GoToNova TM func...

www.iOptron.com 22 APPENDIX C Modern Constellations constellation abbreviation genitive origin Andromeda And Andromedae ancient ( Ptolemy ) Antlia Ant Antliae 1763, Lacaille Apus Aps Apodis 1603, Uranometria , created by Keyser and de Houtman Aquarius Aqr Aquarii ancient ( Ptolemy ) Aquila Aql Aquil...

www.iOptron.com 28 APPENDIX D Celestial Coordinates North South Zenith Nadir Celestial North Pole Celestial South Pole East West Azimuth Altitude Median of the location Observer’s horizon FIG.D1

www.iOptron.com 29 North South Zenith Nadir Celestial North Pole Celestial South Pole East West Observer’s horizon Celestial Equator M, midpoint star hour circle median of location δ , declination t, hour angle axis of ro tation FIG.D2

www.iOptron.com 30 North South Zenith Nadir Celestial North Pole Celestial South Pole East West Observer’s horizon Celestial Equator s tar hou r ci rc le median of location γ gamma point δ , declination α , right ascension axis of rotati on hour circ le FIG. D3

www.iOptron.com 32 TIP: Don’t be intimidated by the geometry. Hands-on experience will help you understand the concepts better. Since the celestial sphere completes a full rotation in 24 hours, it follows that: 24 h = 360 ° , 1 h = 15 ° , 1 min = 15’, and 1 sec = 15”. The declination ( δ , DEC, or D...

www.iOptron.com 33 Appendix E SPECIFICATIONS A-Series Specifications LCD Display…………………………8-line Mount….…………………………….The Cube Alignment……………………………Altazimuth/Equatorial GPS………………………………….32-channel GPS included CPU………………………………….32 bit USB Port…………………………….Yes RS232 Port………………………….Yes Slewing Speeds……………...

www.iOptron.com 34 Appendix F Products List Item # Product Product Description Components SmartStar TM -E Series #8500 SmartSta rTM -E GOTO Mount AltAzi Mount, #1403, #1501 #8502 SmartStar TM -E-R80 Automatic Refractor GOTO Telescope #8500, #8701 #8503 SmartStar TM -E-N114 Automatic Newtonian GOTO T...

Appendix GAlignment Stars Stars for Alignment (iOptron SmartStar, GoToNova) www.iOptron.com StarName Constellation RA DEC Additional Information Achernar Eri 1.6285685 -57.2367575 TYC 8478-1395-1 PPM 331199 SAO 232481 HD 10144 CPD -57 00334 Acrux Cru 12.443056 -63.098611 TYC 8979-3464-1 PPM 359410 S...