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California Nebula, 



    
        

            Steve MacDonald
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California Nebula

Technical card

Imaging telescopes or lenses: Sky watcher Esprit 100mm Esprit 100 Pro f/5.5

Imaging cameras: Moravian G2-8300FW G2-8300 + FW

Mounts: Skywatcher Eq6

Guiding cameras: ZWO ASI120MC ZWO

Focal reducers: Skywatcher Flattener

Software: Sequence Generator Pro, PHD2 SGP + PHD2  ·  Astro Pixel Processor  ·  Pixinsight

Filters: Baader Ha 1.25" 7nm  ·  Baader O3 1.25'' 7nm  ·  Baader SII 8nm 1,25" SII 8nm 1,25"


Dates:Jan. 24, 2020March 1, 2020March 15, 2020

Frames:
Baader Ha 1.25" 7nm: 60x1200" bin 1x1
Baader O3 1.25'' 7nm: 20x1800" bin 1x1
Baader SII 8nm 1,25" SII 8nm 1,25": 30x1200" bin 1x1

Integration: 40.0 hours

Avg. Moon age: 18.84 days

Avg. Moon phase: 32.34%


Astrometry.net job: 3367720

RA center: 4h 0' 40"

DEC center: +36° 29' 13"

Pixel scale: 2.009 arcsec/pixel

Orientation: -178.058 degrees

Field radius: 1.573 degrees


Resolution: 4699x3118

Locations: BYO, Limassol, Cyprus

Data source: Backyard

Description

A 2 panel mosaic in the Hubble palette of the Californian Nebula. Long break in between acquiring the Ha and O3 and S2 which meant it was low in the sky. The subs were poor quality so from the start I was battling against a poor background but luckily the HA was strong enough to help pull it through.Not perfect by any stretch and I'm not keen on the large star towards the top but as I have often found, sometimes it's better to leave it than to keep messing!

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Author

steviemac500
Steve MacDonald
License: None (All rights reserved)
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California Nebula, 



    
        

            Steve MacDonald