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Contains:  NGC 2547, The star Suhail (λVel), The star γ2Vel, The star γ1Vel, Part of the constellation Vela (Vel)
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A Wide View on Vela SNR , 





    
        

            Gabriel R. Santos...
A Wide View on Vela SNR

A Wide View on Vela SNR

Technical card

Resolution: 1500x1000

Dates:April 18, 2015

Frames: 16x240" ISO800

Integration: 1.1 hours

Darks: ~10

Flats: ~30

Avg. Moon age: 29.21 days

Avg. Moon phase: 0.12%

Temperature: 16.00

Astrometry.net job: 896987

RA center: 132.219 degrees

DEC center: -47.237 degrees

Pixel scale: 35.419 arcsec/pixel

Orientation: -172.609 degrees

Field radius: 8.866 degrees

Description

One of my surprises during processing was that I could actually see the Pencil Nebula (NGC 2736). See if you can also spot in on the full size image.... If you want a much [by far!] better view on this area, I would suggest Wei-Hao Wang's fantastic mosaic.

By far the most challenging processing I've had - very faint object in a very dense starfield, without perfect tracking - and I'm not perfectly satisfied with it. The integration time is really too short for this extremely faint nebulosity, and it's just barely visible. However, given the conditions and the fact that the DSLR is unmodded (this area is actually red Halpha, as seen in some amazing deep images out there), it turned out OK. I'm looking forward to trying this target again next Fall, but so far, that's my result.

Constructive criticism, comments and suggestions are more than welcome in the comments section. Thank's for taking your time to look at this image.

Taken from Rural Skies (Bortle 3-4; NELM ~6.2), from Cristina, MG, Brazil (22ºS latitude).

Date and Time: April 18th, 2015, at 20:15 (8:15pm)
Camera: Unmodded Canon T4i/650D, at ISO 800
Lens: Tamron 70-200mm f/2.8 (non-VC), at 85mm and f/3.5
Exposure Detail: 16x240s, or 16x4min, total 64min. [tracked, but unguided]

Comments

Author

grsotnas
Gabriel R. Santos...
License: None (All rights reserved)
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A Wide View on Vela SNR , 





    
        

            Gabriel R. Santos...