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Contains:  NGC 3324
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NGC 3324 Gabriela Mistral Nebula, 





    
        

            Freestar8n
NGC 3324 Gabriela Mistral Nebula

NGC 3324 Gabriela Mistral Nebula

Technical card

Resolution: 4656x3520

Dates:Feb. 27, 2018

Frames:
Astrodon 3nm Ha 1.25": 15x300" (gain: 100.00) -10C bin 1x1
Astrodon 3nm Oiii 1.25": 15x300" (gain: 100.00) -10C bin 1x1

Integration: 2.5 hours

Avg. Moon age: 11.94 days

Avg. Moon phase: 91.26%

Mean FWHM: 2.10

Astrometry.net job: 1982483

RA center: 159.437 degrees

DEC center: -58.633 degrees

Pixel scale: 0.397 arcsec/pixel

Orientation: 15.665 degrees

Field radius: 0.322 degrees

Locations: Patio, Melbourne, Victoria, Australia

Data source: Backyard

Description

BiColor Ha Oiii image of NGC 3324, aka Gabriela Mistral nebula due to similarity of the shape with the facial profile of the Chilean Nobel poet. Her nose is on the right.

This image is intentionally left uncropped to see the full field of the asi-1600.

The Ha channel was directly mapped to RGB based on perceptual values for the visual impression of the H-alpha and H-beta lines. Oiii was mapped to a similar RGB for the Oiii line.

The Oiii is relatively weak in this nebula so it was boosted by a factor of two and linearly combined with the Ha RGB. The resulting RGB was then stretched using levels in PhotoShop. No other processing, sharpening, or denoising was performed.

The image was acquired and stacked using custom software - including automated plate solving, focus, and acquisition of the OAG guidestar by rotation of the Pyxis to the specified angle.

Comments

Author

Freestar8n
Freestar8n
License: None (All rights reserved)
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NGC 3324 Gabriela Mistral Nebula, 





    
        

            Freestar8n