Deep-Sky Objects
Deep-Sky Objects in Cancer
Cancer is the 31st biggest constellation, and in terms of zodiacal constellations is the faintest, as well as 9th smallest, taking up an area of 506 square degrees of the northern sky. The brightest star …
Deep-Sky Objects
Deep-Sky Objects
Deep-Sky Objects in Gemini
Gemini is the 30th largest of the 88 recognized constellations and the 8th largest of the zodiac constellations, covering about 514 square degrees of the northern sky. Its brightest star is Pollux (Beta Geminorum), an …
Deep-Sky Objects
Deep-Sky Objects in Taurus
Taurus is the 10th largest of the 88 recognized constellations and the 6th largest of the zodiac constellations, covering about 797 square degrees of the northern sky. Its brightest star is Aldebaran (Alpha Tauri), an …
Deep-Sky Objects
Deep-Sky Objects in Aries
Aries is the 39th biggest of the 88 recognized constellations, and the second smallest of the zodiacal constellations, taking up an area of just 441 square degrees of the sky. The brightest star in the …
Deep-Sky Objects
Deep-Sky Objects in Pisces
Pisces is the 14th biggest constellations in the night sky, and the 4th biggest of the zodiac constellations, taking up an area of 889.417 square degrees of the northern sky, between latitudes +90° and -65°. …
Deep-Sky Objects
Deep-Sky Objects in Capricornus
Capricornus, the 40th largest constellation, is the smallest of the 12 zodiac constellations, covering an area of just 414 square degrees of the southern sky between latitudes +60° and -90°. The most luminous star in …
Deep-Sky Objects
Deep-Sky Objects in Aquarius
Aquarius is the night sky’s 10th largest constellation and, among the zodiac constellations, is second in size only to Virgo. Its brightest star is Sadalsuud, a yellow supergiant about 540 light-years from Earth with an …
Deep-Sky Objects
Northern Hemisphere Constellations of the Autumn Sky
As summer turns to autumn in the northern hemisphere, the changing season brings many changes to the night sky. The Summer Triangle, which has dominated overhead for several months, now begins to sink lower in …
Deep-Sky Objects
Deep-Sky Objects: Crab Nebula (M1)
The Crab Nebula (M1) is a supernova remnant in the constellation Taurus, and although its central neutron star was only physically discovered in 1968, it has since been positively identified as the remains of a …
Deep-Sky Objects
Deep-Sky Objects: Sombrero Galaxy (M104)
The Sombrero Galaxy’s mass and the extent of its dust disc is indicative of a giant elliptical galaxy, although its classification still remains unclear. Nonetheless, the galaxy’s unusually big and bright central bulge, supermassive black …