Miller Planisphere Star Finder, Size Large - Model 40 Degree - for latitudes 35N to 45N
,Chart1,BORG107FLによる馬頭星雲・M45(横浜) 02019/12/09 : 中川光学研究室ブログ,Miller Planisphere Star Finder, Size Large - Model 40 Degree - for latitudes 35N to 45N,Planisphere - Wikipedia