Photometry of stars around NGC 7023
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Interstellar extinction is investigated in a 1.5 square degree area in the direction of the reflection nebula NGC7023 at l=104.1{deg}, b=+14.2{deg}. The study is based on...
本研究针对银经l=104.1°、银纬b=+14.2°方向上的反射星云NGC7023所在的1.5平方度天区,开展星际消光(Interstellar extinction)相关研究。本研究基于……



