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Contains:  The star 136Tau, The star 125Tau
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Simeis 147 widefield HaOIIIRGB

Technical card

Resolution: 3212x2664

Dates:Dec. 19, 2018Jan. 30, 2019Feb. 27, 2019April 3, 2019

Frames:
Astrodon 5nm Ha 36mm: 43x2000" (gain: 50.00) -10C bin 1x1
Astrodon B Gen2 E-Series 36mm: 40x180" -10C bin 1x1
Astrodon G Gen2 E-Series 36mm: 30x180" -10C bin 1x1
Astrodon R Gen2 E-Series 36mm: 19x300" -10C bin 1x1
Baader OIII 36mm Filter 8.5nm: 28x600" (gain: 200.00) -10C bin 1x1

Integration: 33.6 hours

Avg. Moon age: 21.70 days

Avg. Moon phase: 38.61%

Astrometry.net job: 2648898

RA center: 85.462 degrees

DEC center: 27.941 degrees

Pixel scale: 6.064 arcsec/pixel

Orientation: 0.705 degrees

Field radius: 3.515 degrees

Locations: Abiqui Lake, Abiqui, New Mexico, United States; Los Alamos, Los Alamos, New Mexico, United States

Data source: Traveller

Description

A widefield Ha/OIII/RGB image of the Simeis 147 (Sh2-240) supernova remnant taken with Rokinon 135mm f2 lens and ZWO ASI1600MM Pro camera over December 2018-April 2019. The lens was riding piggyback on the Stellarvue APO SVA130T triplet mounted on the Orion HDX-110 EQ-G mount.

The image is a combination of narrowband (Ha and OIII) and RGB data. The synthetic luminance was produced using Ha, OIII and R data. R and B color channels are a blend of the broadband and narrowband images: R(R and Ha) and B(B and OIII). The narrowband Ha exposures were taken with lens stopped at f2.8 and camera gain 50, while OIII data was accumulated at f2.0 and gain 200. The RGB data was captured at f4.0 and gain 0.

Ha: 43x2000s (@ f2.8, Gain 50, bin1x1)
OIII: 28x600s (@ f2.0, Gain 200, bin1x1)
R: 19x300s (@ f4.0, Gain 0, bin1x1)
G: 30x180s (@ f4.0, Gain 0, bin1x1)
B: 40x180s (@ f4.0, Gain 0, bin1x1)

Total exposure: 33.6 hours

Comments

Author

strudolyubov
Sergey Trudolyubov
License: None (All rights reserved)
4397
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Simeis 147 widefield HaOIIIRGB, 





    
        

            Sergey Trudolyubov