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Messier M46
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Open Cluster M46
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Messier M46
Open Cluster M46
Open Cluster
Puppis
Beginner
Contains PN NGC 2438.
Angular size
27′
Magnitude
6.1
Best months
Nov-Mar
Constellation
Puppis
Catalog IDs
M46
Common aliases
NGC 2437
Open in planner
Recommended telescopes
Celestron
Celestron C6 SCT
1500mm f/10.0 · 150mm aperture
Frames 50% of APS-C FOV
Astro-Tech
Astro-Tech AT8RC
1624mm f/8.0 · 203mm aperture
Frames 54% of APS-C FOV
Stellarvue
Stellarvue SVX152T
1200mm f/7.9 · 152mm aperture
Frames 40% of APS-C FOV
Astro-Tech
Astro-Tech AT10RC
2000mm f/8.0 · 254mm aperture
Frames 67% of APS-C FOV
Celestron
Celestron EdgeHD 8
2032mm f/10.0 · 203mm aperture
Frames 68% of APS-C FOV
Meade
Meade LX200 8" ACF
2032mm f/10.0 · 203mm aperture
Frames 68% of APS-C FOV
Recommended cameras
ZWO
ZWO ASI2600MC Pro
3.76µm pixels · cooled
ZWO
ZWO ASI2600MM Pro
3.76µm pixels · cooled
ZWO
ZWO ASI6200MC Pro
3.76µm pixels · cooled
ZWO
ZWO ASI6200MM Pro
3.76µm pixels · cooled
ZWO
ZWO ASI533MC Pro
3.76µm pixels · cooled
ZWO
ZWO ASI533MM Pro
3.76µm pixels · cooled
Example framing
Celestron C6 SCT
+
ZWO ASI533MC Pro
FOV
0.43° × 0.43°
Scale
0.52″/px
Target fills
104%
of frame
Preview in planner
Astro-Tech AT8RC
+
ZWO ASI2600MC Pro
FOV
0.83° × 0.55°
Scale
0.48″/px
Target fills
81%
of frame
Preview in planner
Stellarvue SVX152T
+
ZWO ASI6200MC Pro
FOV
1.72° × 1.15°
Scale
0.65″/px
Target fills
39%
of frame
Preview in planner
Related open clusters
Messier M23
Open Cluster M23
Messier M35
Open Cluster M35
Messier M6
Butterfly Cluster
NGC NGC 7789
Caroline's Rose
Messier M37
Open Cluster M37
Messier M47
Open Cluster M47
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celestron-c6-sct
Messier M46 — Open Cluster M46