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Vela Supernova Remnant - The Dragons Keep

Technical card

Resolution: 3954x2636

Dates:April 21, 2019

Frames: 237x900"

Integration: 59.2 hours

Avg. Moon age: 16.95 days

Avg. Moon phase: 94.71%

Astrometry.net job: 2652517

RA center: 127.262 degrees

DEC center: -44.738 degrees

Pixel scale: 0.803 arcsec/pixel

Orientation: 109.426 degrees

Field radius: 0.530 degrees

Data source: Own remote observatory

Description

At first, I believed that I had a single bright star in my frame. However further investigation revealed that there were two stars positioned in such a way that they appear as one. The brightest (HIP41639) is blazing away at Mag 5, and the second star (GSC 7673:2997) was a little dimmer at mag 6.8. Their combined intensities certainly added an additional challenge to processing the data with the intent to reveal dim Super-Nova Remanet details. The frame contains a fairly small snapshot of the large Vela SNR complex. I used SII, Ha, OIII, Lum, Red, Green, and Blue filters to capture the fairly dramatic area of sky.

The narrowband data could have been used to create a separate image. I made a decision to attempt the more traditional RGB colour palette as I find it more appealing and pleasing to look at. Hopefully, I didn’t venture too far from the path, and the result is not too wacky looking.

I do get the feeling of peering into a chamber when I look at the result. The perfect environment for something scary to be lurking within... Perhaps "The Dragons Keep".

Instruments Used:
10 Inch RCOS fl 9.1
Astro Physics AP-900 Mount
SBIG STL 11000m
FLI Filter Wheel
Astrodon Lum, Red, Green, Blue Filters
Baader Planetarium H-alpha 7nm Narrowband-Filter

Exposure Details:
Ha 30 X 1800
OIII 30 X 1800
SII 29 X 1800
Lum 30 X 900
Red 19 X 450
Green 20 x 450
Blue 20 X 450

59.375 Hours

Comments

Author

trobison
Terry Robison
License: None (All rights reserved)
6469
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Vela Supernova Remnant  - The Dragons Keep, 





    
        

            Terry Robison