Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  HD220057  ·  LBN 548  ·  LBN 549  ·  NGC 7635  ·  Sh2-162
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NGC 7365 - bubblegum - LLRGB (using tri-narrowband filter), Tom Gray
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NGC 7365 - bubblegum - LLRGB (using tri-narrowband filter)

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NGC 7365 - bubblegum - LLRGB (using tri-narrowband filter), Tom Gray
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NGC 7365 - bubblegum - LLRGB (using tri-narrowband filter)

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Description

I managed to collect some LRGB data last night, under moderate seeing and bright moonlight using 120s exposures. I have published this as a new image as it contains substantial new data. In this image I mixed 30m R, 30m G, 28m B and 26m L (IR cut filter) + 90m taken through my tri-band Optolong L-eNhance filter on 20 May, and processed as the L stack to make up LLRGB with total integration 3 hr 24 min.

Poorly calibrated (I'm still having real problems with my flats), aligned and stacked in ASTAP and processed in Startools using a standard workflow, with removal of some artefacts. This approach made best use of my existing monochrome data, providing good colour saturation and detail.

Comments

Revisions

  • Final
    NGC 7365 - bubblegum - LLRGB (using tri-narrowband filter), Tom Gray
    Original
  • NGC 7365 - bubblegum - LLRGB (using tri-narrowband filter), Tom Gray
    B
  • NGC 7365 - bubblegum - LLRGB (using tri-narrowband filter), Tom Gray
    C

B

Description: 45 x 120s L exposures collected though my Optolong L-eNhance tri-narrow band filter on 20 May, on a night of reasonable seeing

Uploaded: ...

C

Description: I've also uploaded the plain LRGB image comprising 26m L, 30m R, 30m G and 28m B. Definitely softer (RGB taken with no IR cut filter) and lack of any narrow band data

Uploaded: ...

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NGC 7365 - bubblegum - LLRGB (using tri-narrowband filter), Tom Gray