Go to object

Third Quarter

New Moon: Oct 12 (Monday)

Full Moon: Oct 27 (Tuesday)

Galaxy NGC 721

My List
Galaxy in constellation Andromeda (Daughter of Cassiopeia). Also known as UGC 1376.
NGC 721
#1 — Credit: NGC/IC Project

Data sheet

1.7' x 1'
1h 54m 47s
39º 23' 00''

Hourly altitude

Maximum altitude: 89.7 degrees at 02:14 hours

Monthly altitude

Best period for observing at

Early November

Nearby Galaxies

NGC 797 Magnitude 12.6 Size 1.6' NGC 801 Magnitude 13.1 Size 3.1' NGC 712 Magnitude 12.8 Size 1.3' NGC 732 Magnitude 13.5 Size 1.4' NGC 662 Magnitude 12.9 Size 48'' NGC 759 Magnitude 12.7 Size 1.8' NGC 717 Magnitude 13.9 Size 1.3' NGC 714 Magnitude 13.1 Size 1.5' NGC 687 Magnitude 12.3 Size 1.4' NGC 709 Magnitude 14.3 Size 1'

Latest astronomy news

Universe Today

Invest a Night in Vesta

The brightest asteroid visible from Earth prowls across Cetus the Whale this month. Vesta shines at magnitude +6.3, right at the naked eye limit for observers with pristine skies, but easily coaxed into view with any pair of binoculars. With the moon now gone from the evening sky, you can...
Universe Today

Borderline Cat 5 Hurricane Joaquin Spied from International Space Station

As the powerful category 4 Hurricane Joaquin was pounding the Bahamas and packing winds of over 130 mph, NASA astronaut Scott Kelly captured a stunning photo of Joaquin on Friday morning, Oct. 2 from his perch aboard the International Space Station (ISS). As of today, Oct. 3. Joaquin has gained...

Best Space Photos of the Week – Oct. 3, 2015

From the discovery of water on Mars to stunning reader images of the Supermoon eclipse, don't miss these amazing space images.

NASA Satellite Spies Hurricane Joaquin Replacing an Eye

Hurricane Joaquin, a Category 4 storm that is currently battering the central Bahamas, appears to be replacing its eye, according to weather forecasters.
Universe Today

Atlas V Streaks to Orbit on 100th Successful Mission for ULA with Mexico’s Morelos-3

United Launch Alliance (ULA) celebrated an incredible milestone today, Oct. 2, with the successful launch of the firms 100th mission on an Atlas V rocket carrying Mexico’s next generation Morelos-3 satellite to provide advanced telecommunications for education and health programs for rural...
Universe Today

Is There a Kraken in Kraken Mare? What Kind of Life Would We Find on Titan?

Could there be life on Saturn’s large moon Titan? Asking the question forces astrobiologists and chemists to think carefully and creatively about the chemistry of life, and how it might be different on other worlds than it is on Earth. In February, a team of researchers from Cornell...