The Horsehead Nebula is 2 x 2 deg in size at a distance of 450 kpc, centered at 5h 40m 59.0s , 5° 27' 29.99". The Horsehead Nebula was studied in the optical wavelengths using the Ha (6560 A).
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机译:马头星云在450 kPc的距离下尺寸为2 x 2°,以5h 40m 59.0s,5°27'9.99“为中心。使用HA(6560A)在光学波长中研究了马头星云。
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