Targets / Messier M23

Astrophotoguru™ · Open Cluster M23

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Messier M23

Open Cluster M23

Open Cluster
Sagittarius
Beginner
Angular size
27′
Magnitude
5.5
Best months
Jun-Sep
Constellation
Sagittarius
Catalog IDs
M23
Common aliases
NGC 6494
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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
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Astro-Tech AT8RC + ZWO ASI2600MC Pro
FOV 0.83° × 0.55°
Scale 0.48″/px
Target fills 81% of frame
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Stellarvue SVX152T + ZWO ASI6200MC Pro
FOV 1.72° × 1.15°
Scale 0.65″/px
Target fills 39% of frame
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Related open clusters

Messier M46
Open Cluster M46
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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