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Antlia Astronomy Filter - Abell 28 Planetary Nebula with #Antlia RGB/ Ha filter 📷Photographer: @Jerry Macon Imaging telescopes: PlaneWave Instruments CDK14 Imaging cameras: ZWO ASI6200MM-PRO Mounts: Paramount MEII with Absolute Encoders Software:
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Astronomy for high schools and colleges . sects the sphere.If this motion is toward the east, it will be direct ; iftoward the west, retrograde. Let us first take the case
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