Messier 71
(Wide field DSO)
Object
Cross Reference
Common Name
Object Type
Constellation
English Name
M71
NGC 6838 / Cr 409
n/a
OC (Open Cluster)
Sagitta
The Arrow
RE
DEC
Size
Magnitude
Morphology
Distance
Extends
Age
19h 53m 46s
+18° 46′ 44″
21.3′
+8.4v
n/a
13,000 ly
30 ly
9½ billion years
Location
Mount
Telescope
Type
Camera / CCD
Filter
Milton Keynes, UK
Sky-Watcher AZ-EQ6GT
Atlair Astro Lightwave
66ED-R refractor
Canon EOS 700D
Luminance (Lum)
.
Notes – Messier 71
-Â M71, NGC 6838, Collinder 409 (Cr 409)
-Â large and very rich
-Â visually an oval with the brighter side forming a curving V
.
Notable features
-Â n/a
.
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