Waid Observatory

Object: IC 1318a

Date: May. 30, 2024  -  Location: Dark Sky Observatory, Fort Davis, TX
Telescope: 16 inch RC  -  Mount: Paramount-ME II  -  Camera: FLI-16803
Exposure: Red - Green - Blue = 20 x 2 min. each filter - All binned 2x2

Click on the image below to view at higher resolution.
(Scroll down for image description)


IC 1318a


IC 1318a
Surrounding the star Sadr (Gamma Cygni) in the constellation of Cygnus the Swan is a giant HII nebular region designated IC 1318[2].  IC 1318 is located approximately 5,000 light years from the Earth and is not associated with the star, Sadr, which is much closer at approximately 1,800 light years distant[4].  IC 1318 is sub-divided into 3 separate components designated IC 1318 a, b, and c[2].  The image above is centered on IC 1318a which is also designated LBN 251 and DWB 78[1].  An annotated image showing several designated objecs in the area surrounding IC1318a[3] may be viewed here.

The image above was assembled as a True Color RGB filtered image.  A Hubble Palette narrowband filtered version of IC 1318a may be viewed here.

1J. Thommas: https://jthommes.com/Astro/IC1318NW.htm
2R. Gendler: http://www.robgendlerastropics.com/IC1318text.html
3J. Thommas Annotaded Image: https://jthommes.com/Astro/images/IC1318a_MN152_PS4IPCrpRz_annotated.jpg
4Gamma Cygni (Sadr): https://en.wikipedia.org/wiki/Gamma_Cygni

Copyright Donald P. Waid