Hemisphere:  Southern  ·  Constellation: Carina (Car)  ·  Contains:  Carina Nebula  ·  NGC 3372  ·  eta Car Nebula
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Eta Carina Nebula First light APM LZOS 130 F6, 



    
        

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Eta Carina Nebula First light APM LZOS 130 F6
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Eta Carina Nebula First light APM LZOS 130 F6

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Eta Carina Nebula First light APM LZOS 130 F6, 



    
        

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Eta Carina Nebula First light APM LZOS 130 F6
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Eta Carina Nebula First light APM LZOS 130 F6

Technical card

Imaging telescopes or lenses: APM LZOS 130/780

Imaging cameras: QHYCCD QHY268c

Mounts: iOptron CEM70

Guiding telescopes or lenses: PrimaLuceLab 240mm guide scope

Guiding cameras: zwo asi224 mc

Focal reducers: Teleskop-Service TSFLAT TSFLAT2.5

Software: Photoshop CC  ·  Aries Production astro pixel processor  ·  StarTools 1.7

Filters: Optlong L-Extreme 2"

Accessory: PrimaLuceLab SESTO SENSO 2 Robotic Focusing Motor sesto senso 2 Focuser  ·  PrimaLuceLab ECCO ECCO  ·  PRIMALUCE LAB Eagle 3s


Dates:Feb. 16, 2021

Frames:Optlong L-Extreme 2": 131x120" (4h 22') (gain: 60.00) -5C bin 1x1

Integration: 4h 22'

Darks: ~25

Flats: ~30

Bias: ~25

Avg. Moon age: 4.46 days

Avg. Moon phase: 20.88%

Bortle Dark-Sky Scale: 7.00

Temperature: 20.00


Basic astrometry details

Astrometry.net job: 4225879

RA center: 10h 44' 22"

DEC center: -59° 53' 27"

Pixel scale: 0.997 arcsec/pixel

Orientation: 0.949 degrees

Field radius: 1.042 degrees


Resolution: 6268x4161

Locations: Backyard, Brisbane, Queensland, Australia

Data source: Backyard

Description

First light with my new APM LZOS 130mm F6 refractor. Chose a familiar and well placed subject, the Eta Carina Nebula for this first run. Bit of a frustrating first night. My autofocuser is slipping badly on this new scope focuser such that I kept chasing focus but never found it. In the end I had to resort to (horror) manually focusing which I'm not well setup for and did very roughly so focus while not bad is not perfect either. This is 4 hr and 22min integration from around 6 hours of 2min subs. None lost to cloud for a change, but some poor seeing and guidinga little more critical at this 780mm compared to my espirit 100ed at 550mm.

Stacked in APP as Ha-OIII mono for luminance, Ha extract for red, and OIII extract for green and blue then recombined in Startools and finished in PS.

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Eta Carina Nebula First light APM LZOS 130 F6, 



    
        

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