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NGC NGC 2403
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Caldwell 7
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NGC NGC 2403
Caldwell 7
Galaxy
Camelopardalis
Beginner
Nearby spiral in M81 group.
Angular size
22′ × 12′
Magnitude
8.9
Best months
Dec-Apr
Constellation
Camelopardalis
Catalog IDs
NGC 2403
Common aliases
Caldwell 7
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Recommended telescopes
Meade
Meade LX200 8" ACF
2032mm f/10.0 · 203mm aperture
Frames 55% of APS-C FOV
Celestron
Celestron C8 SCT
2032mm f/10.0 · 203mm aperture
Frames 55% of APS-C FOV
Celestron
Celestron EdgeHD 800
2032mm f/10.0 · 203mm aperture
Frames 55% of APS-C FOV
Celestron
Celestron C9.25 SCT
2350mm f/10.0 · 235mm aperture
Frames 64% of APS-C FOV
Celestron
Celestron EdgeHD 9.25
2350mm f/10.0 · 235mm aperture
Frames 64% of APS-C FOV
Celestron
Celestron C6 SCT
1500mm f/10.0 · 150mm aperture
Frames 41% 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
115%
of frame
Preview in planner
Celestron C8 SCT
+
ZWO ASI533MC Pro
FOV
0.32° × 0.32°
Scale
0.38″/px
Target fills
115%
of frame
Preview in planner
Celestron EdgeHD 800
+
ZWO ASI2600MC Pro
FOV
0.66° × 0.44°
Scale
0.38″/px
Target fills
83%
of frame
Preview in planner
Related galaxys
Messier M110
Andromeda Satellite M110
NGC NGC 300
Sculptor Group Galaxy
NGC NGC 4236
Barred Spiral NGC 4236
IC IC 342
Hidden Galaxy
NGC NGC 4945
Caldwell 83
NGC NGC 6744
Caldwell 101
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meade-lx200-8-acf
NGC NGC 2403 — Caldwell 7