2021年4月16日 · Sharpless 306 (LBN 1050, BRAN 39 and others) is the larger, but dimmer HII region below Sh2-305. Sharpless 307 (LBN 1051, BRAN 50, Gum 7 and others) is the bright HII region near the top left. Sharpless 309 (LBN 1053, BRAN 42A/B, RCW 13 and others) is the dim HII region near the bottom center.

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD206385 · HD206899 · HD206978 · LBN 306 · Sh2-111

2021年4月16日 · Sharpless 306 (LBN 1050, BRAN 39 and others) is the larger, but dimmer HII region below Sh2-305. Sharpless 307 (LBN 1051, BRAN 50, Gum 7 and others) is the bright HII region near the top left. Sharpless 309 (LBN 1053, BRAN 42A/B, RCW 13 and others) is the dim HII region near the bottom center.

2024年9月16日 · The Lynds' Catalog of Bright Nebulae lists the coordinates of the center of the cloud, the dimensions of the nebulae as measured on the photograph on which it appeared at its brightest, the area of nebulosity in square degrees, color as compared between the blue and red Palomar plates, a brightness index on a scale from 1 to 6, an identification...

As a member of the {{0}}AstroBin Beta Testers{{1}} group, you are currently on the beta version of this app. To learn why a beta version is currently being tested, please see the latest posts on the {{2}}AstroBin Beta Testers forum{{3}}.

Bright nebulae, also called diffuse or Galactic nebulae, occur in two main classes depending on their source of illumination: emission and reflection, although they occasionally are a combination of the two (R+E). Much less common is a third type …

2021年4月16日 · Sharpless 305 (LBN 1048, BRAN 32, RCW 8 and others) is the bright HII region at the top right. Sharpless 306 (LBN 1050, BRAN 39 and others) is the larger, but dimmer HII region below Sh2-305....

The Lynds' catalogue of bright nebulae

Find astronomy targets and generate object lists for your observing and astrophotography sessions.