Targets / Sh2-155

Astrophotoguru · Cave Nebula

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Sh2-155

Sh2-155 — Cave Nebula

Emission Nebula
· Cepheus
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Target information

Object type
Emission Nebula
Constellation
Cepheus
Right ascension
22h 57m 06s
Declination
+62° 38′ 09″
Magnitude
7.7
Angular size
50′ × 30′
Surface brightness
Not recorded
Difficulty
Advanced
Best months
August, September, October, November, December
Catalog IDs
Sh2-155;Caldwell 9;LBN 529

About this target

Low surface brightness; narrowband recommended. Magnitude is a widely cited community estimate.

Recommended telescopes

Astro-Tech
805mm f/7.0 · 115mm aperture
Frames 50% of APS-C FOV
Takahashi
800mm f/8.0 · 100mm aperture
Frames 50% of APS-C FOV
Orion
800mm f/3.9 · 203mm aperture
Frames 50% of APS-C FOV
Sky-Watcher
800mm f/4.0 · 200mm aperture
Frames 50% of APS-C FOV
Vixen
800mm f/4.0 · 200mm aperture
Frames 50% of APS-C FOV
Astro-Physics
819mm f/6.3 · 130mm aperture
Frames 51% of APS-C FOV

Recommended cameras

QHYCCD
3.76µm pixels · cooled
Player One
4.63µm pixels · cooled
ZWO
5.94µm pixels · cooled
OGMA
3.76µm pixels · cooled
OGMA
3.76µm pixels · cooled
ToupTek
2.90µm pixels · cooled

Example framing

FOV 2.56° × 1.71°
Scale 1.52″/px
Target fills 49% of frame
Preview in planner
FOV 2.58° × 1.72°
Scale 1.53″/px
Target fills 48% of frame
Preview in planner
FOV 1.37° × 0.93°
Scale 1.19″/px
Target fills 89% of frame
Preview in planner

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