B72 Area - LRGB

Barnard 72 (or LDN 66) is better known as the Snake Nebula. This image, consisting of a 1.7 x 1.3 degree field from Ophiuchus, contains numerous other dark nebulae including:

 

B68 / LDN 57 *

B69 / LDN 55 *

B70 / LDN 54

B71 / LDN 53

B72 / LDN 66 (Snake Nebula) *

B73

B74

B76

B77 / LDN 69 *

 

LDN 50

LDN 70

LDN 81

 

TGU H18

TGU H25 P12

TGU H25 P15

 

You will also find planetary nebulae PK 001+05 1 and PK 002+05 1 (NGC 6369 or the Little Ghost Nebula).

 

See the annotated version for more information.

 

Luminance – 12x600s – 120 minutes – binned 1x1

RGB – 8x300s – 40 minutes each – binned 2x2

 

240 minutes total exposure – 4 hours

 

Imaged July 27th and 28th, 2014 at the Danville Conservation Area (New Florence, Missouri) with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

 

* object is on the Astronomy League’s Dark Nebulae Program optional list

Done