May 10, 2018 – Robert, NOP

Kitt Peak Nightly Observing Program

Splendors of the Universe on YOUR Night!

Many pictures are links to larger versions.
Click here for the “Best images of the OTOP” Gallery and more information.

M51 Whirlpool Galaxy

M51, the Whirlpool Galaxy, gets its name from its bright and prominent spiral arms. It lies at a distance of 23 million light-years away. It also has a smaller, companion galaxy (NGC 5195). The two galaxies are one of the best examples of interacting galaxies.    

M3

M3 is a globular cluster with a half of a million stars. It orbits the core of our Milky Way Galaxy almost perpendicular to the galactic disk. It is currently 33,900 light-years away, and approaching our Solar System at 100 miles per second.

Iridium Flare

From the late 1990’s to the early 2000’s Motorola launched a total of 95 communication satellites into orbit around Earth. Today, they are most noted not for their intended purpose, but instead for their ability to reflect sunlight. Shiny antennae briefly (for 10-20 seconds) reflect sunlight to make these objects almost as bright as the moon.

Meteors

Quick streaks of light in the sky called meteors, shooting stars, or falling stars are not stars at all: they are small bits of rock or iron that heat up, glow, and vaporize upon entering the Earth’s atmosphere. When the Earth encounters a clump of many of these particles, we see a meteor shower lasting hours or days.

Satellites

Human technology! There are almost 500 of these in Low Earth Orbit (we can’t see the higher ones). We see these little “moving stars” because they reflect sunlight.

The Green Flash

What we call “The Green Flash” is not so much a flash as a flicker of green color, seen on the top of the sun as it sets (or rises). This rare event needs just the right atmospheric conditions.

Coma Berenices

Coma Berenices: “Berenice’s Hair,” a giant Y-shaped open star cluster. It is only 280 lightyears away and appears a bit east of Leo.

M44 The Beehive

M44, the “Beehive Cluster,” and also known as “Praesepe,” is a large, bright, diffuse open star cluster containing about 400 stars. It lies fairly close, at a distance of under 600 light-years.

M67

The little open cluster M67 appears near its larger buddy, M44 The Beehive Cluster. These clusters are actually about the same size, but M67 is five times farther away. M67 is old for an open cluster; its stars are four billion years old.    

NGC 3242 (Ghost of Jupiter)

NGC 3242: The “Ghost of Jupiter.” A shroud of gas puffed off by a dying star, 1,400 lightyears away. The gas is illuminated by the collapsed, hot, blue core (a white dwarf). Did it look blue to you?

Jupiter

Jupiter is the largest planet in the Solar System, a “gas giant” 11 Earth-diameters across. Its atmosphere contains the Great Red Spot, a long-lived storm 2-3 times the size of the Earth. The 4 large Galilean satellites and at least 63 smaller moons orbit Jupiter.

Venus

Venus, the second planet, is the brightest natural object in the sky other than the Sun and Moon and is often erroneously called the “morning star” or “evening star.” It is completely wrapped in sulfuric acid clouds and its surface is hot enough to melt lead.

Algieba (γ Leo)

Algieba (γ Leonis) is a binary star in the mane of Leo, the lion. These two golden-yellow giant stars are about 23 and 10 times the diameter of the Sun, and are about 130 light-years away. Their orbital period is over 500 years. In 2009, a giant planet was found orbiting one of these stars.

Your Telescope Operator and Guide. Thank you for joining me this evening! See you soon!!

The web page for the program in which you just participated is at
Nightly Observing Program. Most of the above images were taken as
part of
the Overnight Telescope Observing Program. For more information on this unique experience please visit Overnight Telescope Observing Program.
Copyright © 2018 Kitt Peak Visitor Center


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