Targets / NGC NGC 6231

Astrophotoguru™ · Northern Jewel Box

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NGC NGC 6231

Northern Jewel Box

Open Cluster
Scorpius
Beginner
Angular size
15′
Magnitude
2.6
Best months
May-Aug
Constellation
Scorpius
Catalog IDs
NGC 6231
Common aliases
Caldwell 76
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Recommended telescopes

Celestron
Celestron EdgeHD 11
2800mm f/10.0 · 279mm aperture
Frames 52% of APS-C FOV
Meade
Meade LX200 10" ACF
2540mm f/10.0 · 254mm aperture
Frames 47% of APS-C FOV
Astro-Tech
Astro-Tech AT12RC
2432mm f/8.0 · 305mm aperture
Frames 45% of APS-C FOV
Takahashi
Takahashi Mewlon-210
2415mm f/11.5 · 210mm aperture
Frames 45% of APS-C FOV
Celestron
Celestron EdgeHD 9.25
2350mm f/10.0 · 235mm aperture
Frames 44% of APS-C FOV
Celestron
Celestron C9.25 SCT
2350mm f/10.0 · 235mm aperture
Frames 44% 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 EdgeHD 11 + ZWO ASI2600MC Pro
FOV 0.48° × 0.32°
Scale 0.28″/px
Target fills 78% of frame
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Meade LX200 10" ACF + ZWO ASI533MC Pro
FOV 0.26° × 0.26°
Scale 0.31″/px
Target fills 98% of frame
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Astro-Tech AT12RC + ZWO ASI533MC Pro
FOV 0.27° × 0.27°
Scale 0.32″/px
Target fills 94% of frame
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Related open clusters

Messier M26
Open Cluster M26
Messier M11
Wild Duck Cluster
Messier M50
Heart-Shaped Cluster
NGC NGC 663
Open Cluster NGC 663
Messier M21
Open Cluster M21
Messier M52
Open Cluster M52
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