Barnard's "E"

Higher resolution image

Image information:

Date: 06/25/2022
Equipment: Altair Hypercam 533C colour camera through through Pentax-M* 67 300mm F/4 ED (IF) lens on Losmandy GM8 mount. The lens was working at f4.
Image type: OSC
Exposure time: 80X1min, gain 250 (0.8e/ADU).
Comment:  

Object information:

Object designations:

 B142 (LDN688), B143 (LDN694), Barnard's "E", Triple Cave
Object type:
 Dark Nebulae
Object size:
  • Total: 80' X 50'
  • B142 40' X 15'
  • B143 40' X 40'
Constellation: Aquila
Comment:
 Barnard's "E" are a pair of dark nebulae near the star Tarazed (Gamma Aquilae). They are some 2 kly distant. Dark nebulae are vast clouds of interstellar matter. B142 and B143 are more than 60 ly across. We can see them because they block the visible light of stars behind them. In time such clouds may develop denser areas that will finally collapse into new stars.

Related images:

List of related images:

Barnard's "E", LRGB, ST2000XM through Rubinar 4.5/300

Barnard's "E", LRGB, QSI583ws through AT65EDQ

 

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