Messier 101
(Pinwheel Galaxy)
Object
Cross Reference
Common Name
Object Type
Constellation
English Name
M101
NGC 5457
Pinwheel Galaxy
Galaxy
Ursa Major
The Great Bear
RE
DEC
Size
Magnitude
Morphology
Distance
Extends
Age
14h 03m 12s
+54° 20′ 58″
23.8′
+7.9v
Hubble Sc
27 million ly
200,000 ly
20.9 million years
Location
Mount
Telescope
Type
Camera / CCD
Filter
Milton Keynes, UK
Sky-Watcher AZ-EQ6GT
Celestron Edge HD
8-inch SCT
Canon EOS 700D
no filter
.
Notes – Messier 71
– M101, NGC 5457, Pinwheel Galaxy
– pretty bright and very large
– face on
– faint spiral arms
– small, bright nucleus
.
Notable features
– NGC 5422, NGC 5473, NGC 5485 all lie with in about 1° of M101
.
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