AstroBinAstroBin
Celestial hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  NGC 6357
NGC 6357 IN NARROW BAND == REV.02==, Fernando
NGC 6357 IN NARROW BAND == REV.02==
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NGC 6357 IN NARROW BAND == REV.02==

NGC 6357 IN NARROW BAND == REV.02==, Fernando
NGC 6357 IN NARROW BAND == REV.02==
Powered byPixInsight

NGC 6357 IN NARROW BAND == REV.02==

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Description

NGC 6357 is an open cluster with nebula located in constellation of Scorpius. It was discovered by John Herschel in 1837.

Also known as Lobster Nebul, the cluster is at Right Ascencion of 17h 24m 43.5S and

Declinação -34° 12' 05"

It is distant fron Earth about 4.5 light years, having apparent dimension of 35 arc-minutes.

NGC 6357 has estimated age of 4.6 bilhões years and has 998 billion stars.

This image is a stack of:

Ha - 12 subs of 1200 seconds each

S2 - 12 subs of 1200 seconds each

O3 - 16 subs of 1200 seconds each

Telescope: Esprit 120mm f/7

Camera: ST-8300M

Mount: NEQ-6

Guide method: OAG

== REV.02==

In this version I used a slight different color pallet, aiming a better contrast and pushing less the beckground noise. It is worth to see this new release in full resolution, in order to see the different layers of gas and the tendrils of dark materia.

I hope you like this new release,

Fernando

Comments

Revisions

  • NGC 6357 IN NARROW BAND == REV.02==, Fernando
    Original
  • Final
    NGC 6357 IN NARROW BAND == REV.02==, Fernando
    B

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NGC 6357 IN NARROW BAND == REV.02==, Fernando
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