Sky & Telescope - May 2022 - 30

Star magnitudes
ALSON WONG
Double-barreled Delights
the same direction for another 3.2°
will bring you to the brightest (confirmed)
lenticular galaxy in the sky,
which immediately looks like an outof-focus
star in my 8×56 binos. Upon
closer inspection, I can see two faint
stars of magnitudes 10.5 and 11.1 east
of the galaxy.
With my 12×60s the famous
13h 00m
M51
12h 30m
M106
CANES VENATICI 4449
M63
M94
Spindle Galaxy, as it's also known, has
a high-surface-brightness core that
appears out-of-round. It's here that the
nearest billion-solar-mass black hole
to Earth lurks. I see diffuse extensions
protruding to the northeast and southwest,
making it appear a good 4′ long.
This galaxy really looks like a brighter
version of NGC 2683.
Each object we've visited so far has
been farther south than the previous
one, and our next target continues
this trend. In fact, 9.7-magnitude
NGC 3621 in Hydra was the most
α
β
4490
+40°
6
4214
3
4
5
6
7
8
β
31
4725
+35°
4631
37
BERENICES +30°
γ
COMA
30
4565
+25°
+45°
TRICKLE OF TARGETS A sextet of galaxies
awaits you in your exploration from Coma
to Canes.
southerly object ever discovered by William
Herschel. To see it, though, you'll
need to be able to reach down to the
4th-magnitude stars Xi (ξ) and Beta
(β) Hydrae at the very bottom of the
Water Snake's belly.
NGC 3621 lies 3¼° west-southwest
of Xi Hydrae. It's noticeable in my
8×56s thanks to its relatively large
disk, which is a smooth glow elongated
north-south. With my 12×60s,
the galaxy spans nearly 12′ and has a
10.3-magnitude star off its southwestern
edge. NGC 3621 is about 80,000
light-years across and in photographs
appears as a loosely wound spiral galaxy
tilted 23° from edge-on.
Among the galaxies on our tour,
NGC 3521 in Leo was actually the first
one discovered - by William Herschel
M64
ONE-ARMED BEAUTY NGC 4725 is a rare example of a one-armed spiral galaxy that we see tilted halfway from edge-on to face-on. Two spirals
bracket it: NGC 4747 (also known as Arp 159) sits above left, while NGC 4712 floats below right. The image was taken with a 14-inch f/9.5 telescope.
30 MAY 2022 * SKY & TELESCOPE

Sky & Telescope - May 2022

Table of Contents for the Digital Edition of Sky & Telescope - May 2022

Contents
Sky & Telescope - May 2022 - Cover1
Sky & Telescope - May 2022 - Cover2
Sky & Telescope - May 2022 - 1
Sky & Telescope - May 2022 - Contents
Sky & Telescope - May 2022 - 3
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