Corona Australis

A wide-field 2 panel mosaic, of the cosmic dust clouds that cross the rich field of stars of Corona Australis (Latin for the Southern Crown).

 

Gear:

William Optics Star 71mm f/4.9 Imaging APO Refractor Telescope.

QHY163M Camera Sensor cooled to -30°C.

 

Technical Card:

Integration Time: 18 hours total (9 hours per panel).

L = 9 hours total (Binning 1x1).

R = 3 hours total (Binning 2x2).

G = 3 hours total (Binning 2x2).

B = 3 hours total (Binning 2x2).

Calibration frames:

Bias, Darks & Flats.

 

Image Acquisition:

Guiding in Open PHD.

Image acquisition in Sequence Generator Pro.

Plate Solving in Platesolve 2 via SGP Framing & Mosaic Wizzard.

 

Processing:

Pre-Processing and Linear workflow in PixInsight,

star separation with StarNet++ Pi Plug-in,

and finished in Photoshop.

 

Astrometry Info:

Center (RA, Dec): 285.970, -37.530

Center (RA, hms): 19h 03m 52.739s

Center (Dec, dms): -37° 31' 46.701"

Size: 3.63 x 2.86 deg.

Radius: 2.312 deg.

Pixel scale: 8.17 arcsec/pixel.

Orientation: Up is 162.5 degrees E of N.

View an Annotated Sky Chart of this image.

View image in the WorldWideTelescope.

 

This image is part of the Legacy Series.

 

Flickr Explore:

2022-12-21

 

Photo usage and Copyright:

Medium-resolution photograph licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Terms (CC BY-NC-ND 4.0). For High-resolution Royalty Free (RF) licensing, contact me via my site: Contact.

 

Martin

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Done