Object data

Object type:

Coale Sack dark nebula
Caldwell C99

Size:

7⁰ x 7⁰

Magnitude:

-

Constellation:

Musca/Centaurus-Crux

Distance:

610 and 790 LY (two overlapping nebalae)

Exposure data

Date, time

2010-09-06   ~01.50 hour

Julian day number

2455 446

Location:

Kings Creek Station, Australia

Telescope:

-

Camera:

Canon 350D

Filters:

L: 1x 120 sec / ISO1600

Temperature outside:

22⁰C

Processing tools:

Images Plus / Photoshop CS3

Imaged by:

Gerard van den Braak

Notes: