Hemisphere:  Southern  ·  Constellation: Crux (Cru)  ·  Contains:  Herschel's Jewel Box  ·  Mimosa (βCru)  ·  NGC 4755  ·  The constellation Crux (Cru)  ·  The star Becrux  ·  The star Gacrux (γCru)  ·  The star α1Cru  ·  The star α2Cru  ·  The star δCru  ·  The star εCru  ·  The star ζCru  ·  The star ιCru  ·  The star λCru  ·  The star μ1Cru  ·  kappa Crucis Cluster
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Crux and Coalsack Nebula (C99) 2.0, 


            Luiz Ricardo Silveira
Crux and Coalsack Nebula (C99) 2.0
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Crux and Coalsack Nebula (C99) 2.0

Technical card

Imaging telescopes or lenses: Nikkor 135mm f2.8 AI

Imaging cameras: Canon T6i

Mounts: Ioptron CEM25P

Software: Deep Sky Stacker 3.3.3 Beta 51

Dates:July 9, 2020

Frames: 142x30" ISO1600 bin 1x1

Integration: 1.2 hours

Avg. Moon age: 19.00 days

Avg. Moon phase: 81.03%

Bortle Dark-Sky Scale: 6.00

Basic astrometry details

Astrometry.net job: 4089633

RA center: 12h 36' 49"

DEC center: -60° 54' 28"

Pixel scale: 8.749 arcsec/pixel

Orientation: 6.059 degrees

Field radius: 5.614 degrees

Resolution: 2531x3864

Locations: Sweet home, Joinville, Santa Catarina, Brazil

Data source: Backyard


I was browsing through some old captures, and then find this one. Why did I forget to publish it?
I don't know! Well, better later than never.
This was my first capture using my T6i, back on July 9, 2020.
I remember now, why I did capture the Crux again. My hope was to compare, side by side, my old Nikon D5000 and the "new" Canon T6i. Well, my D5000 served me well for a long time, but now it needs to retire. :)

The old picture: https://www.astrobin.com/sr6a6v/B/?nc=user

No darks, flats or bias


Sky plot

Sky plot


Crux and Coalsack Nebula (C99) 2.0, 


            Luiz Ricardo Silveira