Sky & Telescope - January 2021 - 28

Observing Log

NGC 2565

UGC 4308

NGC 2557
IC 2293

NGC 2562

UGC 4329

NGC 2563
UGC 4386
NGC 2560

HD 69994
58
NGC 2558

NGC 2563
The collection of galaxies known as the Cancer Cluster isn't really
an organized cluster at all but rather a loose association of discrete
groups with very different velocities. The area is quite "spiral
rich" - spiral galaxies make up about 70% of the group's members. NGC 2563, a 12.2-magnitude lenticular located about 4½°
west-northwest of the Beehive Cluster (M44), is the brightest of the
group. It forms a pair with NGC 2562, another lenticular, about 4½′
to the northwest.
The area is dotted with moderately bright galaxies, including
eight brighter than 14th magnitude and lying within 1° of NGC 2563.
Only four of these made it into the NGC. NGC 2560 sits 11.3′ to
the southwest and close to a 10th-magnitude star. A farther 30′
south-southwest is NGC 2558, a 13th-magnitude spiral. Going

28

JANUARY 2 021 * SK Y & TELESCOPE

back to NGC 2560 and heading some 28½′ to the north-northwest
is the barred lenticular NGC 2557 at magnitude 13.2, with IC 2293,
a 14th-magnitude spiral, sitting 5.6′ to its southeast. NGC 2565, a
12.6-magnitude barred spiral, is at the limit of our boundary, northnortheast of NGC 2563.
The region provides a good opportunity to explore beyond the
NGC/IC too. Three more galaxies in this central part of the Cancer
Cluster have UGC designations and should be visible in modestaperture scopes. UGC 4329 is located 23′ west-northwest of NGC
2563. It's a 13.6-magnitude spiral seen nearly face on. UGC 4308
is a 12.8-magnitude barred spiral about 58′ northwest of NGC 2563.
A surface brightness of 12.9 helps in detecting the edge-on galaxy
UGC 4386 some 48′ east of NGC 2563.



Sky & Telescope - January 2021

Table of Contents for the Digital Edition of Sky & Telescope - January 2021

Contents
Sky & Telescope - January 2021 - Cover1
Sky & Telescope - January 2021 - Cover2
Sky & Telescope - January 2021 - 1
Sky & Telescope - January 2021 - Contents
Sky & Telescope - January 2021 - 3
Sky & Telescope - January 2021 - 4
Sky & Telescope - January 2021 - 5
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Sky & Telescope - January 2021 - Cover3
Sky & Telescope - January 2021 - Cover4
Sky & Telescope - January 2021 - SA1
Sky & Telescope - January 2021 - SA2
Sky & Telescope - January 2021 - SA3
Sky & Telescope - January 2021 - SA4
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Sky & Telescope - January 2021 - SA8
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