Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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Cave Nebula, Caldwell 9, 



    
        

            Kathy Walker
Cave Nebula, Caldwell 9
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Cave Nebula, Caldwell 9

Technical card

Imaging telescopes or lenses: Orion 200mm f/4 Newtonian astrograph

Imaging cameras: Atik 383L+ mono

Mounts: HEQ5 Pro

Guiding telescopes or lenses: KW Telescopes KWIQ Guider

Guiding cameras: QHY5

Software: AstroTotilla  ·  Stark-Labs Nebulosity3.1  ·  Pixinsight 1.8  ·  PHD2

Filters: Astrodon 5nm Halpha  ·  Astrodon LRGB

Accessory: TeleVue Paracorr Type 2


Dates:Aug. 26, 2014

Frames:
Astrodon 5nm Halpha: 6x900" (1h 30') -20C
Astrodon LRGB: 21x300" (1h 45') -20C

Integration: 3h 15'

Avg. Moon age: 0.81 days

Avg. Moon phase: 0.73%


Basic astrometry details

Astrometry.net job: 351804

RA center: 22h55m39s.4

DEC center: +62°2624

Pixel scale: 1.203 arcsec/pixel

Orientation: -169.669 degrees

Field radius: 0.685 degrees


Resolution: 620x454

Locations: Baie Ste. Marie Observatory, St. Bernard, Nova Scotia, Canada

Description

I would like to claim that the framing was intentional to include the reflection nebula vdB 155. It wasn't in fact my original intention, but when I saw the composition, I didn't have the heart to crop it out.

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Cave Nebula, Caldwell 9, 



    
        

            Kathy Walker