Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Flame Nebula  ·  Great Orion Nebula  ·  IC 420  ·  IC 431  ·  IC 432  ·  IC 434  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  NGC 2023  ·  NGC 2024  ·  Orion B  ·  Orion Nebula  ·  The star 42Ori  ·  The star 45Ori  ·  The star Alnitak (ζOri)  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri  ·  The star σOri  ·  Upper Sword  ·  the Running Man Nebula
Getting plate-solving status, please wait...
Orion widefield (UNGUIDED), 



    
        

            Byoungjun Jeong
Orion widefield (UNGUIDED)
Powered byPixInsight

Orion widefield (UNGUIDED)

Getting plate-solving status, please wait...
Orion widefield (UNGUIDED), 



    
        

            Byoungjun Jeong
Orion widefield (UNGUIDED)
Powered byPixInsight

Orion widefield (UNGUIDED)

Technical card

Imaging telescopes or lenses: William Optics RedCat 51

Imaging cameras: ZWO ASI2600MC Pro

Mounts: RainbowAstro RST-135E

Software: PixInsight 1.8

Accessory: ZWO AsiAir Pro  ·  SuperMount CYG48P tripod


Dates:Feb. 12, 2021

Frames: 21x300" (1h 45')

Integration: 1h 45'

Avg. Moon age: 0.71 days

Avg. Moon phase: 0.57%


Basic astrometry details

Astrometry.net job: 4267563

RA center: 05h37m35s

DEC center: -03°5248

Pixel scale: 3.133 arcsec/pixel

Orientation: 92.788 degrees

Field radius: 3.099 degrees


Resolution: 5948x3918

Data source: Traveller

Description

No dark, flat, bias

This is the first light of the newly developed RST-135E mount.

Thanks to the high resolution renishaw encoders, its PE is less than +-2.5 arcsec (peak to peak 5 arcsec).

I took 21 five-minute exposures, and I didn't throw away any of them.

You can download the original fit files from the following link.

https://drive.google.com/drive/folders/1ImEgIZH-DmCMyIOJn-qFXfmFbAVusohk?usp=sharing

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Orion widefield (UNGUIDED), 



    
        

            Byoungjun Jeong