Tuesday, August 11, 2020

Bright Stars

List of Bright Stars (for focus) to 1.25 magnitude
https://en.wikipedia.org/wiki/List_of_brightest_stars

Use these brightest stars that can poke through light pollution when using the Bahtinov mask for focus. Red denotes northern constellations and blue is for southern.

1 −26.74 Sun 0.000015813 G2 V
2 −1.46 Sirius α Canis Major 8.6 A0mA1 Va, DA2
3 −0.74 Canopus α Carina 310 A9 II
4 −0.27 (0.01 + 1.33) Rigil Kentaurus & Toliman α Centaurus 4.4 G2 V, K1 V
5 −0.05 Arcturus α Bootes 37 K0 III
6 0.03 (−0.02–0.07var) Vega α Lyra 25 A0 Va
7 0.08 (0.03–0.16var) Capella α Auriga 43 K0 III, G1 III
8 0.13 (0.05–0.18var) Rigel β Orion 860 B8 Ia
9 0.34 Procyon α Canis Minor 11 F5 IV-V
10 0.46 (0.40–0.46var) Achernar α Eridanus 139 B6 Vep
11 0.50 (0.2–1.2var) Betelgeuse α Orion 700 M1-M2 Ia-ab
12 0.61 Hadar β Centaurus 390 B1 III
13 0.76 Altair α Aquila 17 A7 V
14 0.76 (1.33 + 1.73) Acrux α Crux 320 B0.5 IV, B1 V
15 0.86 (0.75–0.95var) Aldebaran α Taurus 65 K5 III
16 0.96 (0.6–1.6var) Antares α Scorpio 550 M1.5 Iab-Ib, B2.5 V
17 0.97 (0.97–1.04var) Spica α Virgo 250 B1 III-IV, B2 V
18 1.14 Pollux β Gemini 34 K0 III
19 1.16 Fomalhaut α Piscis Austrinus 25 A3 V
20 1.25 (1.21–1.29var) Deneb α Cygnus 2,615 A2 Ia