4 大角 牧夫座α -0.10
position (J2000) RA: 14h 15min 39.677sec DEC: +19?10' 56.71''
proper motion (J2000) RA: -0.0771 arcsec/a DEC: -1.998 arcsec/a
5 织女一(织女星) 天琴座α 0.03
position (J2000) RA: 18h 36min 56.332sec DEC: +38?47' 1.17''
proper motion (J2000) RA: 0.0173 arcsec/a DEC: 0.286 arcsec/a
6 五车二 御夫座α 0.08
position (J2000) RA: 5h 16min 41.353sec DEC: +45?59' 52.9''
proper motion (J2000) RA: 0.0073 arcsec/a DEC: -0.425 arcsec/a
7 参宿七 猎户座β 0.20
position (J2000) RA: 5h 14min 32.268sec DEC: -8?12' 5.98''
proper motion (J2000) RA: 0 arcsec/a DEC: -0.001 arcsec/a
三星 参宿一(Alnitak,ζ)、参宿二(Alnilam,ε)及参宿三(Mintaka,δ)就是猎户的腰带:三颗亮星由东向西连成一线,就是这一个星群已经可以令人认出猎户座。
参宿一
position (J2000) RA: 5h 40min 45.524sec DEC: -1?56' 33.53''
proper motion (J2000) RA: 0.0002 arcsec/a DEC: -0.002 arcsec/a
参宿二
position (J2000) RA: 5h 36min 12.809sec DEC: -1?12' 7.02''
proper motion (J2000) RA: 0.0001 arcsec/a DEC: -0.002 arcsec/a
参宿三
position (J2000) RA: 5h 32min 0.398sec DEC: -0?17' 56.88''
proper motion (J2000) RA: 0.0001 arcsec/a DEC: -0.002 arcsec/a
8 南河三 小犬座α 0.38
position (J2000) RA: 7h 39min 18.032sec DEC: +5?13' 29.76''
proper motion (J2000) RA: -0.0475 arcsec/a DEC: -1.023 arcsec/a
9 水委一 波江座 0.46
position (J2000) RA: 1h 37min 42.852sec DEC: -57?14' 12.18''
proper motion (J2000) RA: 0.0117 arcsec/a DEC: -0.035 arcsec/a
10 参宿四 猎户座α 0~1.3
position (J2000) RA: 5h 55min 10.307sec DEC: +7?24' 25.35''
proper motion (J2000) RA: 0.0017 arcsec/a DEC: 0.009 arcsec/a
11 马腹一 半人马座β 0.61
position (J2000) RA: 14h 3min 49.408sec DEC: -60?22' 22.79''
proper motion (J2000) RA: -0.0043 arcsec/a DEC: -0.019 arcsec/a
12 河鼓二(牛郎星) 天鹰座α 0.77
position (J2000) RA: 19h 50min 47.002sec DEC: +8?52' 6.03''
proper motion (J2000) RA: 0.0363 arcsec/a DEC: 0.386 arcsec/a
13 十字架二 南十字座α 0.85
是由视星等为1.39等和视星等1.86等的两颗星组成的双星
南十字座α1
position (J2000) RA: 12h 26min 35.871sec DEC: -63?5' 56.58''
proper motion (J2000) RA: -0.0052 arcsec/a DEC: -0.012 arcsec/a
14 毕宿五 金牛座α 0.75~0.95
position (J2000) RA: 4h 35min 55.237sec DEC: +16?30' 33.39''
proper motion (J2000) RA: 0.0044 arcsec/a DEC: -0.19 arcsec/a
15 心宿二(大火) 天蝎座α 0.9~1.2
position (J2000) RA: 16h 29min 24.465sec DEC: -26?25' 55.19''
proper motion (J2000) RA: -0.0007 arcsec/a DEC: -0.02 arcsec/a
16 角宿一 室女座α 0.98
position (J2000) RA: 13h 25min 11.587sec DEC: -11?9' 40.71''
proper motion (J2000) RA: -0.0028 arcsec/a DEC: -0.028 arcsec/a
17 北河三 双子座β 1.14
position (J2000) RA: 7h 45min 18.946sec DEC: +28?1' 34.26''
proper motion (J2000) RA: -0.0474 arcsec/a DEC: -0.046 arcsec/a
北河二 双子座α 1.58
position (J2000) RA: 7h 34min 35.864sec DEC: +31?53' 17.63''
proper motion (J2000) RA: -0.0135 arcsec/a DEC: -0.099 arcsec/a
18 北落师门 南鱼座α 1.16
position (J2000) RA: 22h 57min 39.055sec DEC: -29?37' 20.1''
proper motion (J2000) RA: 0.0255 arcsec/a DEC: -0.165 arcsec/a
19 天津四 天鹅座α 1.25
position (J2000) RA: 20h 41min 25.917sec DEC: +45?16' 49.31''
proper motion (J2000) RA: 0.0003 arcsec/a DEC: 0.002 arcsec/a
20 十字架三 南十字座β 1.3
position (J2000) RA: 12h 47min 43.237sec DEC: -59?41' 19.46''
proper motion (J2000) RA: -0.0063 arcsec/a DEC: -0.014 arcsec/a
21 轩辕十四 狮子座α 1.35
position (J2000) RA: 10h 8min 22.315sec DEC: +11?58' 1.89''
proper motion (J2000) RA: -0.0169 arcsec/a DEC: 0.006 arcsec/a
--------------------------------
北斗七星
北斗七星从斗身上端开始,到斗柄的末尾,按顺序依次命名为大熊座α、β、γ、δ、ε、ζ、η,我国古代分别把它们称作:天枢、天璇、天玑、天权、玉衡、开阳、摇光。
天枢 大熊座α 视星等 1.8
position (J2000) RA: 11h 3min 43.666sec DEC: +61?45' 3.22''
proper motion (J2000) RA: -0.0168 arcsec/a DEC: -0.066 arcsec/a
天璇 大熊座β 视星等 2.37
position (J2000) RA: 11h 1min 50.482sec DEC: +56?22' 56.65''
proper motion (J2000) RA: 0.0099 arcsec/a DEC: 0.034 arcsec/a
玉衡 大熊座ε 视星等 1.77
position (J2000) RA: 12h 54min 1.748sec DEC: +55?57' 35.47''
proper motion (J2000) RA: 0.0133 arcsec/a DEC: -0.006 arcsec/a
摇光 大熊座η 视星等 1.86
position (J2000) RA: 13h 47min 32.434sec DEC: +49?18' 47.95''
proper motion (J2000) RA: -0.0125 arcsec/a DEC: -0.011 arcsec/a
--------------------------------
北极星/勾陈一/紫微星 小熊座 视星等 2
position (J2000) RA: 2h 31min 48.704sec DEC: +89?15' 50.72''
proper motion (J2000) RA: 0.1988 arcsec/a DEC: -0.015 arcsec/a
--------------------------------
其他十二星座亮星
娄宿三 白羊座α 视星等 2.01
position (J2000) RA: 2h 7min 10.403sec DEC: +23 7' 44.66''
proper motion (J2000) RA: 0.0138 arcsec/a DEC: -0.148 arcsec/a
虚宿一 宝瓶座(水瓶座)β 视星等 2.91
position (J2000) RA: 21h 31min 33.538sec DEC: -5?34' 16.25''
proper motion (J2000) RA: 0.0014 arcsec/a DEC: -0.008 arcsec/a
巨蟹座β 视星等 3.53
position (J2000) RA: 8h 16min 30.928sec DEC: +9?11' 7.9''
proper motion (J2000) RA: -0.003 arcsec/a DEC: -0.049 arcsec/a
摩羯座δ 视星等 3.0
position (J2000) RA: 21h 47min 2.448sec DEC: -16?7' 38.27''
proper motion (J2000) RA: 0.0183 arcsec/a DEC: -0.297 arcsec/a
牛宿二 摩羯座α星:这是一颗用裸眼可见的光学双星
摩羯座α 2 视星等 3.57
position (J2000) RA: 20h 18min 3.262sec DEC: -12?32' 41.43''
proper motion (J2000) RA: 0.0044 arcsec/a DEC: 0.004 arcsec/a
氐宿四 天秤座β 视星等 2.61
position (J2000) RA: 15h 17min 0.421sec DEC: -9?22' 58.54''
proper motion (J2000) RA: -0.0065 arcsec/a DEC: -0.019 arcsec/a
氐宿一 天秤座α 视星等 2.76
position (J2000) RA: 14h 50min 52.713sec DEC: -16?2' 30.42''
proper motion (J2000) RA: -0.0073 arcsec/a DEC: -0.067 arcsec/a
右更二 双鱼座η 视星等 3.62
position (J2000) RA: 1h 31min 29.013sec DEC: +15?20' 44.81''
proper motion (J2000) RA: 0.0019 arcsec/a DEC: -0.005 arcsec/a
箕宿三 人马座ε 视星等1.85
position (J2000) RA: 18h 24min 10.327sec DEC: -34?23' 4.73''
proper motion (J2000) RA: -0.0031 arcsec/a DEC: -0.124 arcsec/a
-------------------------------------
梅西耶天体
M31:仙女座星系 螺旋星系 仙女座 视星等3.4 NGC224
赤经RA: 0h42m44.3s 赤纬DEC: +41°16m8.1s
M42:猎户座大星云 发射星云 猎户座 视星等4.0 NGC1976
赤经RA: 5h35m16.4s 赤纬DEC: -5°23m24.8s
M45:昴星团、七姊*星团 疏散星团 金牛座 视星等1.6
赤经RA: 3h47m10s 赤纬DEC: +24°7m32s
---金牛座η(昴宿六),2.87
position (J2000) RA: 3h 47min 29.073sec DEC: +24?6' 18.38''
proper motion (J2000) RA: 0.0014 arcsec/a DEC: -0.046 arcsec/a