Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  11 Sgr  ·  4 Sgr  ·  7 Sgr  ·  9 Sgr  ·  B296  ·  B302  ·  B303  ·  B85  ·  B88  ·  B89  ·  B91  ·  Hourglass nebula  ·  IC 1274  ·  IC 1275  ·  IC 4684  ·  IC 4685  ·  Lagoon nebula  ·  M 20  ·  M 21  ·  M 8  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  NGC 6531  ·  NGC 6544  ·  NGC 6546  ·  NGC 6553  ·  NGC 6559  ·  PK005-01.1  ·  And 17 more.

Image of the day 03/02/2014

Getting plate-solving status, please wait...
    M8, M20, NGC 6559, Wei-Hao Wang
    Powered byPixInsight

    Image of the day 03/02/2014

    Getting plate-solving status, please wait...
      M8, M20, NGC 6559, Wei-Hao Wang
      Powered byPixInsight

      Equipment

      Loading...

      Acquisition details

      Loading...

      Description

      The original is a normal visible-light RGB image.

      Ver.B is a near-IR (825nm and above) gray-scale image.

      Ver.C combines the near-IR and visible images, where B is the visible B+G, G is the visible R, and R is the IR.

      Ver.D is a reprocessing uploaded in 2020, to give it a more modern touch.

      Comments

      Revisions

        M8, M20, NGC 6559, Wei-Hao Wang
        Original
        M8, M20, NGC 6559, Wei-Hao Wang
        B
        M8, M20, NGC 6559, Wei-Hao Wang
        C
      • Final
        M8, M20, NGC 6559, Wei-Hao Wang
        D

      Sky plot

      Sky plot

      Histogram

      M8, M20, NGC 6559, Wei-Hao Wang