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The Greenwich Masters CELESTIAL Instruction Manual

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CELESTIAL WATCH
INSTRUCTION MANUAL

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Summary of Contents for The Greenwich Masters CELESTIAL

  • Page 1 CELESTIAL WATCH INSTRUCTION MANUAL...

  • Page 3: Table Of Contents

    Contents 1. Specifications ..................3 2. Celestial Watch ................4 3. Constellation Display of Entire Sky at 50 ° (or 35 °) North Latitude...5 4. Features ...................6 5. Setting the Time and Constellation Dial ........8 6. Times for Sunrise and Sunset ............10 7.

  • Page 4: Specifications

    1. Specifications 1. Calibre No: 4P92 2. Frequency of crystal oscillator: 32.768 Hz (Hz: frequency per second). 3. Accuracy: Within +/- 20 seconds per month ° ° (when worn at normal temperature +5 C - + 35 ° ° 4. Operating temperature range: -10 C - +60 5.

  • Page 5: Celestial Watch

    (bearing) and altitude (angular position above the horizon) of the major fixed stars, nebulae, galaxies and star clusters, displays local sidereal (star) time, stellar spectral type. The Celestial Watch also has features that provide such convenient information as the position of the sun, the time of sunrise and sunset, and thus the hours of darkness when astronomical observations may be made.

  • Page 6: Constellation Display Of Entire Sky At

    Zenith Meridian Horizon Because distortion is minimal in the northern hemisphere, approximately ° ° 98.5% of the celestial sphere visible at 50 or 35 north latitude is displayed. ° ° (The range shown on the constellation dials from -40 to +90 declination).

  • Page 7: Features

    The solar position display shows the position of the sun along the ecliptic (the sun’s apparent path on the celestial sphere during the year) on the 1st, 11th and 21st of each month (for 12 noon universal time over the mean year).
  • Page 8 Hour angle is the angle measured counterclockwise from the meridian on the transparent dial to the point marking the value for the right ascension the present pole star. The celestial sphere at the centre of the rotating constellation dial is not displayed owing to the attachment of the watch hands.

  • Page 9: Setting The Time And Constellation Dial

    5. Setting the Time and Constellation Dial Setting the time 1) When the second hand indicates 0 seconds, pull the crown out to the second position. 2) Turn the crown and set the hour and minute hands to the correct time. Move the minute hand 4 to 5 minutes ahead of the correct position and then return it to the correct position.
  • Page 10 5. Setting the Time and Constellation Dial continued... Example: To align the constellation dial for 12.00 June ° 11 at a position 5 west of the standard time longitude, turn the June 11 constellation dial clockwise until 11.40 the point on the dials right ascension scale opposite 11.40 is in line with the point on the date scale corresponding to June 11.

  • Page 11: Times For Sunrise And Sunset

    6. Times for Sunrise and Sunset Example: Sunrise time for March 11 at the standard time longitude. 1) Pull the crown out to the first position. March 11 2) Turn the crown and bring the solar position 6:23 for March 11 on the March 11 ecliptic on the constellation dial so that...

  • Page 12: Concerning Constellation Dial Display

    7. Concerning the Constellation Dial Display The fixed stars are generally classified into the following four spectral types according to their spectra. Bluish silver ..Spectrum O or B type stars 274 stars Silver ....Spectrum A or F type stars 354 stars Yellowish silver..Spectrum G or K type stars 353 stars Orangish silver..Spectrum G or K type stars 75 stars...

  • Page 13: Abbreviations Of Constellations And Their Full Spellings

    8. Abbreviations of Constellations and their full spellings Abbreviations Full Spellings Full Spellings Abbreviations Andromeda Carina Antlia Cassiopeia Apus Centaurus Aquila Cepheus Aquarius Cetus Chamaeleon Aries Circinus Auriga Canis Major Bootes Canis Minor Caelum Cancer Camelopardalis Columba Caprico Coma Berenices...
  • Page 14 8. Abbreviations of Constellations and their full spellings continued... Abbreviations Full Spellings Full Spellings Abbreviations Coruna Australis Fornax Coruna Borealis Gemini Crater Grus Crux Hercules Corvus Horologium Canes Venatici Hydra Cygnus Hydrus Delphinus Indus Dorado Lacerta Draco Equuleus Lepus Eridanus Libra...
  • Page 15 8. Abbreviations of Constellations and their full spellings continued... Abbreviations Full Spellings Full Spellings Abbreviations Leo Minor Pavo Lupus Pegasus Lynx Perseus Lyra Phoenix Mensa Pictor Microscopium Piscis Austrinus Monoceros Pisces Musca Puppis Norma Pyxis Octans Reticulum Ophiuchus Sculptor Orion Scorpius...
  • Page 16 Abbreviations are not shown for the constellations Aps, Cha, Cir, Cru, Hyi, Men, Mus, Oct, Pav, TrA, Tue and Vol since they are included in the entire ° or nearly entire range of the celestial sphere unable to be viewed from 35 north latitude.

  • Page 17: Nebulae And Star Clusters On The Constellation Dial

    9. Nebulae, Galaxies and Star Clusters on the Constellation Dial in Light Green M31(And) NGC752(And) M72(Aqr) NGC7009(Aqr) NGC7293(Aqr) NGC6167(Ara) 1.4651(Ara) NGC6397(Ara) M38(Aur) M36(Aur) M37 (Aur) NGC2403(Cam) M30(Cap) NGC281(Cas) NGC457(Cas) NGC559(Cas) M103(Cas) 1.1805(Cas) 1.1848(Cas) NGC7635(Cas) M52(Cas) NGC7789(Cas) NGC4945(Cen) NGC5128(Cen) NGC5139(Cen) NGC5460(Cen) NGC6946(Cep) NGC247(Cet) NGC246(Cet) M77(Cet) M41(CMa) M44(Cnc) M67(Cnc) NGC1851(Col) M98(Com) M99(Com) M100(Com) M85(Com) M88(Com) NGC4548(Com) NGC4565(Com) M64(Com) M53(Com) NGC6541(CrA) NGC4258(CVn) NGC4449(CVn)
  • Page 18 9. Nebulae, Galaxies and Star Clusters on the Constellation Dial in Light Green continued ... M42(Ori) M78(Ori) NGC2174-5(Ori) M15(Peg) M76(Per) NGC869(Per) NGC884(Per) M34(Per) NGC1245(Per) NGC1499(Per) NGC1528(Per) M74(Psc) M47(Pup) M46(Pup) M93(Pup) NGC2546(Pup) NGC55(Scl) NGC253(Scl) NGC300(Scl) M80(Sco) M4(Sco) NGC6124(Sco) H12(Sco) M6(Sco) M7(Sco) M26(Sct) M11(Sct) M5(Ser) M16(Ser) 1.4756(Ser) M71(Sge) M23(Sgr) M20(Sgr) M8(Sgr) M21(Sgr) M24(Sgr) M18(Sgr) M17(Sgr) M28(Sgr) M69(Sgr) M25(Sgr) M22(Sgr) M70(Sgr) M54(Sgr) NGC1746(Tau) M1(Tau) M33(Tri) M81(UMa) M82(UMa)

  • Page 19: Diagram Of The Constellation Dial

    10. Diagram of the Constellation Dial 1) Sirius (Cma) 5) Capella (Aur) 2) Canupus (Car) 6) Rigel (Ori) 3) Arcturus (Boo) 7) Procyon (CMi) 4) Vega (Lyr) 8) Betelgeuse (Ori)
  • Page 20 10. Diagram of the Constellation Dial continued... 9) Altair (Aql) 13) Stellar magnitudes 10) Aldebaran (Tau) 14) Milky Way 11) Antares (Sco) 15) Solar Position (Oct 21) 12) Spica (Vir) 16) Right ascension of the pole star (2000.0)

  • Page 21: Precautionary Items And Usage Limitations

    11. Precautionary Items and Usage Limitations Water Resistance WARNING Water Resistance Water-resistance for daily use (to 3 atmospheres) means that the watch may be worn while washing your face or in the rain but it is not to be immersed in water.
  • Page 22 11. Precautionary Items and Usage Limitations continued... Water Resistance Refer to the watch dial and the case back for the indication of the water resistance of your watch. The following list provides examples of use for reference to ensure that your watch is used properly. (The unit “bar” is roughly equal to 1 atmosphere).
  • Page 23 11. Precautionary Items and Usage Limitations continued... Before using this watch, read this instruction manual carefully to ensure correct use. After reading this manual store it in a safe place for future reference. Safety precautions (Instructions to be followed at all times) This manual contains the following instructions that should be strictly followed at all times to prevent injury to yourself and other persons as well as damage to property.
  • Page 24 CAUTION When wearing your watch Be particularly careful when wearing your watch while holding a small child to avoid injury. Be particularly careful when engaged in strenuos exercise or work to avoid injury to yourself or others. Do NOT wear your watch in a sauna or other location where you may become excessively hot since there is a risk of burns.
  • Page 25 CAUTION Always keep your watch clean Small amounts of dirt may become trapped in the tiny gap between the crown and case making it difficult to pull out the crown. It is recommended to occasionally turn the crown in its normal position to remove any dirt. The case and band of the watch come into direct contact with the skin in the same manner as undergarments.
  • Page 26 Caring for your watch Wipe any dirt or moisture such as perspiration from the case and crystal with a soft cloth. Remove any dirt from a leather band with a dry cloth. For a metallic, plastic or rubber watchband wipe with a damp cloth. Remove the small amounts of dirt trapped between the crevices of the metallic band with a soft brush.

  • Page 27: Static Electricity

    Temperature The function of the watch may be impaired or the watch may even stop if ° ° the ambient temperature is outside the range of -10 C to +60 If the watch is left for an extended period under temperatures outside the °...
  • Page 28 Chemicals, Corrosive Gasses and Mercury If paint thinner, benzene or other solvents or products containing these solvents (including gasoline, nail polish remover, bathroom cleaner and adhesives) are allowed to come into contact with the watch they may discolour, dissolve or crack the materials. Be careful when handling these chemicals.

  • Page 29: Warranty And Service

    12. Warranty and Service 1. Guarantee In the case a malfunction has occurred during the course of normal use while the watch is still under warranty, the watch will be repaired free of charge in accordance with the conditions of warranty included with this manual.
  • Page 30 3. Periodic Inspection (Charge basis) You should have your watch inspected (Charge basis) every 2 - 3 years to extend its life and ensure safety. When replacing parts always make sure to request genuine parts. When it becomes necessary to replace packings and springs it may sometimes also be necessary to inspect other parts or to make repairs in addition to replacing the parts.
  • Page 34 Accurist Watches Ltd, Asher House, Blackburn Road, West Hampstead, London, NW6 1AW Switchboard: +44 (0)207 447 3900 Fax: +44 (0)207 447 3925 Email: sales@accurist.co.uk Web: www.accurist.co.uk...

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