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    Rotating constellation chart starry sky chart Rotating movable astrolabe star chart Astronomical telescope accessories Observation assistant

    Regular price Sale price $2.10
    SKU: AL-QHXV-71oilzs4[1]
    sales volume: 10
    classification: Outdoor and Sports equipment , Mountaineering Travel Camping , Ordinary telescope
    18x18cm rotating constellation chart
    One size fits all
    Buy now
    • Product description
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    • SPU: AL-QHXV-71oilzs4[1]
    • Model: Rotating Constellation Chart
    • Structure: telescope accessories
    • Function type: telescope accessories
    • Usage: telescope accessories
    • Custom processing: Yes
    • Packing quantity: 500 pieces/box
    • Specifications: 18x18cm rotating constellation chart

    name: rotating constellation chart

    Material: paper jam

    Specification:18* 18cm

    net weight: 30g

    The use of the rotating star chart is very simple. This model is composed of two discs. The date is printed on the outermost side of the large disc below, and the time is written on the small disc stacked on top.

    First, align the date and time on the star chart. For example, the observation time is 10 p.m. on January 1. Overlap the 10 p.m. scale on the small disk with the January 1 scale on the large disk. Rotate The starry sky at that time will appear on the star map.

    Next, you need to identify and correct the direction. When you face the west, turn the west part of the star chart downward, hold the star chart high, and slowly compare it with the actual starry sky, then you can start observing the constellations.

    It is best to start observing constellations from the west, because the constellations in the west will sink to the horizon first. First, use the light stars( i.e. the larger dots on the star chart) Start identifying. Select a constellation with bright stars and an easily identifiable shape as the object of observation. Leo, Scorpio, Sagittarius, Cygnus, Orion, Cassiopeia and the Big Dipper are all very suitable objects for starting to identify. With the help of star charts Next, estimate the range of the constellation in the sky. Within this range, try to find other stars belonging to the constellation, and use association to connect the star points, and then try to see the shape of the constellation. Ming successfully recognized it. After selecting the constellation, select another constellation next to it to identify.

    Please note: When we use a map, we lay it flat on the ground. But when we use a star map, we need to hold the star map high and look up. Did you notice that the east-west directions on the star map are opposite to those on ordinary maps.

    There are detailed instructions on the back of the star chart. This star chart is suitable for most areas in our country.( 25 degrees north latitude to 35 degrees north latitude)





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