Astronomy - USA (2022-02)

WWW.ASTRONOMY.COM 41 The Crab Nebula (M1) — the first entry that Charles Messier recorded in his famous catalog of deep-sky obje ...

42 ASTRONOMY • FEBRUARY 2022 Cecilia Payne- Gaposchkin MAY 10, 1900 – DEC. 7, 1979 In 1923, English-born Cecilia Helena Payne to ...

Williamina Fleming MAY 15, 1857 MAY 21, 1911 Scottish astrono- mer Williamina Paton Stevens Fleming discov- ered the first whit ...

Harlow Shapley NOV. 2, 1885 – OCT. 20, 1972 American astronomer Harlow Shapley was instrumental in popularizing the idea that Ce ...

Hipparchus CIRCA 190 B.C. – CIRCA 120 B.C. When you talk about the greatest ancient scientist, there’s little doubt that you mea ...

DEC. 27, 1571 – NOV. 15, 1630 Kepler’s importance to astron- omy is so great that the final exam of my History of Astronomy cour ...

Galileo Galilei FEB. 15, 1564 – JAN. 8, 1642 As I stood in the science museum of Florence (now known as Museo Galileo) gazing at ...

Trekking out to your favorite observing spot requires a little extra planning this time of year. But the views are totally worth ...

WWW.ASTRONOMY.COM 49 As for boots, go for the best you can get that will let you drive your vehicle. I usually wait until I reac ...

50 ASTRONOMY • FEBRUARY 2022 advertise rated temperatures that are much lower than the real temperature at which you might feel ...

WWW.ASTRONOMY.COM 51 currents in your telescope by looking for circular motions inside the image. If your out- of-focus star has ...

52 ASTRONOMY • FEBRUARY 2022 Equipped with a premium back-illuminated CMOS chip built by Sony, this powerful device features ult ...

WWW.ASTRONOMY.COM 53 For 20 years, I have been using charge-coupled device (CCD) cameras, and I cur- rently own the top-of-the-l ...

54 ASTRONOMY • FEBRUARY 2022 the color chip only records 25 percent of the red light that falls on it. Compare this with a mono ...

WWW.ASTRONOMY.COM 55 well capacity. If your cam- era has a shallow deep well, bright stars will quickly turn pure white and lose ...

56 ASTRONOMY • FEBRUARY 2022 T Turn your eyes toward the night sky and you will see a bright, hazy band of light cutting across ...

WWW.ASTRONOMY.COM 57 Orion Spur Near 3 - K ilo pa rse c^ A rm Fa r^3 K ilo pa rse c^ A rm 15,000 light-years Cattail? Long Bar ...

to produce amazingly detailed drawings of what he saw. In particular, his obser- vations of the Whirlpool Galaxy (M51), the Tria ...

WWW.ASTRONOMY.COM 59 previous estimates. His observations also placed our solar system far from the cen- ter of the galaxy. Give ...

51 ORION TAURUS AURIGA Pleiades 10° N E ε δ ζ σ ζ 119 UU β NGC 2281 60 ASTRONOMY • FEBRUARY 2022 BINOCULAR UNIVERSE Usually at t ...