Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Sh2-155
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Caldwell 9, Sh2-155, The Cave Nebula in HSO, 



    
        

            Dave Sifry
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Caldwell 9, Sh2-155, The Cave Nebula in HSO

Getting plate-solving status, please wait...
Caldwell 9, Sh2-155, The Cave Nebula in HSO, 



    
        

            Dave Sifry
Powered byPixInsight

Caldwell 9, Sh2-155, The Cave Nebula in HSO

Imaging Telescopes Or Lenses
Celestron 8SE
Imaging Cameras
ZWO ASI6200MM Pro
Mounts
Celestron AVX
Filters
Astronomik SII 6nm 2" · Astronomik O3 6nm · Baader Ha Narrowband 7nm CCD-Filter 2"
Accessories
ZWO EFW 7x2" filter wheel · ZWO ASI EAF · Celestron 0.63x Focal Reducer
Software
AstroPixelProcessor-1.082 · ZWO ASIAIR PRO · PhotoShop Creative Cloud
Guiding Telescopes Or Lenses
SkyWatcher ED80 ED APO
Guiding Cameras
ZWO ASI120MM-Mini

Acquisition details

Dates:
July 20, 2021 ·  July 21, 2021 ·  July 22, 2021 ·  Aug. 1, 2021
Frames:
Astronomik O3 6nm: 135x180" (6h 45') (gain: 100.00) -10°C bin 1x1
Astronomik SII 6nm 2": 94x180" (4h 42') (gain: 100.00) -10°C bin 1x1
Baader Ha Narrowband 7nm CCD-Filter 2": 135x180" (6h 45') (gain: 100.00) -10°C bin 1x1
Integration:
18h 12'
Darks:
30
Flats:
5
Bias:
90
Avg. Moon age:
14.64 days
Avg. Moon phase:
77.78%
Bortle Dark-Sky Scale:
8.00

RA center: 22h56m54s.465

DEC center: +62°3755.78

Pixel scale: 0.599 arcsec/pixel

Orientation: -140.433 degrees

Field radius: 0.710 degrees

More info:Open 

Resolution: 6058x6058

Data source: Backyard

Description

HSO image of C9, the Cave Nebula taken over 4 nights during July 2021 from my backyard in San Francisco (Bortle 8 skies) with my Celestron 8SE, 0.63 Focal Reducer, 7nm Ha, Oiii, and Sii filters and ZWO ASIMC6200MM Pro.

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