Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Sh2-157
Lobster Claw Nebula in Cassiopia - sh2-157 / LBN537, Jonathan W MacCollum
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Lobster Claw Nebula in Cassiopia - sh2-157 / LBN537

Lobster Claw Nebula in Cassiopia - sh2-157 / LBN537, Jonathan W MacCollum
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Lobster Claw Nebula in Cassiopia - sh2-157 / LBN537

Equipment

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Acquisition details

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Description

Two panel mosaic of the inner structure of the Lobster Claw nebula with LBN 537 in Ha, Oiii and Sii...

Red=Sii

Green=50%Oiii and Sii

Blue=Oiii

L=Blend SuperLuminance and Ha

Acquisition Breakdown:

Panel 1 (left)

Ha: 70*4+0*5 = 4.667hrs (4:40)

Oiii: 89*4+0*5 = 5.933hrs (5:56)

Siii: 30*4+18*5 = 3.500hrs (3:30)

Total: 14:06 hrs

Panel 2 (right)

Ha: 58*4+5*5 = 4.283hrs (4:17)

Oiii: 97x4+4*5 = 6.8 hrs (6:48)

Siii: 67x4+6*5 = 4.966hrs (4:58)

Total: 16:03 hrs

There's a bit of SNR discrepancy in the mosaic, but hope to revisit this adding a 3rd panel to it in the near future, weather permitted.

Comments

Revisions

  • Final
    Lobster Claw Nebula in Cassiopia - sh2-157 / LBN537, Jonathan W MacCollum
    Original
  • Lobster Claw Nebula in Cassiopia - sh2-157 / LBN537, Jonathan W MacCollum
    B
  • Lobster Claw Nebula in Cassiopia - sh2-157 / LBN537, Jonathan W MacCollum
    C

B

Description: Full mosaic frame

Uploaded: ...

C

Description: Starnet Starless

Uploaded: ...

Sky plot

Sky plot

Histogram

Lobster Claw Nebula in Cassiopia - sh2-157 / LBN537, Jonathan W MacCollum