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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
Open in planner
Recommended telescopes
Astro-Tech
Astro-Tech AT10RC
2000mm f/8.0 · 254mm aperture
Frames 54% of APS-C FOV
Celestron
Celestron EdgeHD 8
2032mm f/10.0 · 203mm aperture
Frames 55% of APS-C FOV
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
Astro-Tech
Astro-Tech AT8RC
1624mm f/8.0 · 203mm aperture
Frames 44% of APS-C FOV
Celestron
Celestron EdgeHD 9.25
2350mm f/10.0 · 235mm aperture
Frames 64% 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
Astro-Tech AT10RC
+
ZWO ASI533MC Pro
FOV
0.32° × 0.32°
Scale
0.39″/px
Target fills
113%
of frame
Preview in planner
Celestron EdgeHD 8
+
ZWO ASI2600MC Pro
FOV
0.66° × 0.44°
Scale
0.38″/px
Target fills
83%
of frame
Preview in planner
Meade LX200 8" ACF
+
ZWO ASI533MC Pro
FOV
0.32° × 0.32°
Scale
0.38″/px
Target fills
115%
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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astro-tech-at10rc
NGC NGC 2403 — Caldwell 7