Celestial hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  M 4  ·  NGC 6121
Getting plate-solving status, please wait...
M 4 The Crab Globular Cluster in Scorpius in RGB, Ian Parr
M 4 The Crab Globular Cluster in Scorpius in RGB
Powered byPixInsight

M 4 The Crab Globular Cluster in Scorpius in RGB

Getting plate-solving status, please wait...
M 4 The Crab Globular Cluster in Scorpius in RGB, Ian Parr
M 4 The Crab Globular Cluster in Scorpius in RGB
Powered byPixInsight

M 4 The Crab Globular Cluster in Scorpius in RGB

Equipment

Loading...

Acquisition details

Loading...

Description

One good night was bounded by weeks of night time cloud and some rain and no new moon.

It was with rare confidence that I hit the sack and left it running  until 5am.

 In one evening, three images completed with great seeing.

This is the largest of several ancient objects in a great visual field for binocular and telescope around Antares.

M 4 The Crab Globular Cluster in Scorpius (Spider Globular Cluster) 
Magnitude  5.40 
Size: +0°26'00.00"
Distance: 7176.4 ly

20230502 Background glow begone. ACDNR Lightness masks are  magic!

Comments

Revisions

  • M 4 The Crab Globular Cluster in Scorpius in RGB, Ian Parr
    Original
  • Final
    M 4 The Crab Globular Cluster in Scorpius in RGB, Ian Parr
    C

Sky plot

Sky plot

Histogram

M 4 The Crab Globular Cluster in Scorpius in RGB, Ian Parr