Targets / NGC NGC 457

Astrophotoguru™ · Owl Cluster

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NGC NGC 457

Owl Cluster

Open Cluster
Cassiopeia
Beginner
Angular size
20′
Magnitude
6.4
Best months
Sep-Feb
Constellation
Cassiopeia
Catalog IDs
NGC 457
Common aliases
ET Cluster;Caldwell 13
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Recommended telescopes

Meade
Meade LX200 8" ACF
2032mm f/10.0 · 203mm aperture
Frames 50% of APS-C FOV
Celestron
Celestron C8 SCT
2032mm f/10.0 · 203mm aperture
Frames 50% of APS-C FOV
Celestron
Celestron EdgeHD 800
2032mm f/10.0 · 203mm aperture
Frames 50% of APS-C FOV
Celestron
Celestron C9.25 SCT
2350mm f/10.0 · 235mm aperture
Frames 58% of APS-C FOV
Celestron
Celestron EdgeHD 9.25
2350mm f/10.0 · 235mm aperture
Frames 58% of APS-C FOV
Takahashi
Takahashi Mewlon-210
2415mm f/11.5 · 210mm aperture
Frames 60% 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

Meade LX200 8" ACF + ZWO ASI533MC Pro
FOV 0.32° × 0.32°
Scale 0.38″/px
Target fills 105% of frame
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Celestron C8 SCT + ZWO ASI533MC Pro
FOV 0.32° × 0.32°
Scale 0.38″/px
Target fills 105% of frame
Preview in planner
Celestron EdgeHD 800 + ZWO ASI2600MC Pro
FOV 0.66° × 0.44°
Scale 0.38″/px
Target fills 75% of frame
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Related open clusters

Messier M38
Starfish Cluster
Messier M93
Open Cluster M93
Messier M37
Open Cluster M37
Messier M50
Heart-Shaped Cluster
NGC NGC 663
Open Cluster NGC 663
NGC NGC 2244
Rosette Cluster
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