Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  LBN 533  ·  LBN 536  ·  LBN 537  ·  LBN 540  ·  LBN 543  ·  LBN 544  ·  LBN 548  ·  LBN 549  ·  LDN 1231  ·  NGC 7510  ·  NGC 7635  ·  PK112-00.1  ·  Sh2-157  ·  Sh2-159  ·  Sh2-162
Lobster Claw and Bubble Nebula (Sh-157, NGC-7635), Brian Hayward
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Lobster Claw and Bubble Nebula (Sh-157, NGC-7635)

Lobster Claw and Bubble Nebula (Sh-157, NGC-7635), Brian Hayward
Powered byPixInsight

Lobster Claw and Bubble Nebula (Sh-157, NGC-7635)

Equipment

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Acquisition details

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Description

Both of these objects are an emission nebula in the constellation Cassiopeia.

Acquisition:
* SkyWatcher Esprit 100 ED Super APO
* SkyWatcher EQ-6R Pro
* Canon t3i DSLR w/HA Mod
* Antlia ALP-T 5nm dual narrowband filter
* SV106 / SV 305 (Guide Scope / Guide Camera)

Image:
* 342x180s lights, calibrated with Darks, Flats and Dark Flats
* Lights taken on nights of 2022-10-13, 2022-10-14 and 2022-10-15

Processing done with PixInsight
* Pre-processing with WBPP
* Master: Linear Fit, Color Calibration, , Crop, StarNet2
* Stars: Repair HSV Separation, Stretching, Saturation.
* Starless: EZ DeNoise, Saturation, Stretching
* Recombined with simple PixelMath

Comments

Revisions

  • Lobster Claw and Bubble Nebula (Sh-157, NGC-7635), Brian Hayward
    Original
  • Final
    Lobster Claw and Bubble Nebula (Sh-157, NGC-7635), Brian Hayward
    B

Sky plot

Sky plot

Histogram

Lobster Claw and Bubble Nebula (Sh-157, NGC-7635), Brian Hayward