Coalsack and Jewelbox
Details
Coalsack and Jewelbox are two of the most prominent objects of the southern sky. The coalsack is clearly visible as a big dark area within the milkyway, next to the southern cross. The bright star is beta crux, also called Mimosa. The Jewelbox is catalogued as NGC 4755. Another open cluster in the field is NGC 4852. The dark nebula, that is known as the Coalsack is catalogued as Caldwell 99.
Image Details
Telescope Optics
Canon EF200mm L USM II at f/4
Mount
Fornax 51 + Koch FS2
Camera
Canon 40D(a)
Filters
Internal Bayer Matrix
Integration Time
16x300s ISO800
Date
3rd and 4th of June 2011
Conditions
Excellent Sky Conditions
Remarks
An Apperture was used in front of the lense to stop it down to f/4, to avoid Aperture Blades
Object Details
Type of Object
Dark Nebula, Open Cluster
Constellation
Crux (Southern Cross)
Location
Kiripotib Guestfarm Namibia