Celestial hemisphere:  Southern  ·  Constellation: Norma (Nor)  ·  Contains:  NGC 6164  ·  NGC 6165
Dragon's Egg on the Blue Doily (NGC6164 and NGC6165), Igor Chekalin
Dragon's Egg on the Blue Doily (NGC6164 and NGC6165), Igor Chekalin

Dragon's Egg on the Blue Doily (NGC6164 and NGC6165)

Dragon's Egg on the Blue Doily (NGC6164 and NGC6165), Igor Chekalin
Dragon's Egg on the Blue Doily (NGC6164 and NGC6165), Igor Chekalin

Dragon's Egg on the Blue Doily (NGC6164 and NGC6165)

Equipment

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Acquisition details

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Description

89 hours 26 minutes of exposure, taken between April 2023 and August 2023 on the balcony in Brisbane (light polluted Bortle 7-8 sky)
EQ6 Pro, TAL250K (10" Klevtsov) with 0.7x NPZ reducer/corrector Mk2, Camera ASI2600MM T=-10°C, Filters Antlia 3nm narrowband set and ZWO RGB.

HORGB (HO for nebula, RGB for stars layer)
Exposures( 89h 26m )

R: 67x2 ( 2h 14m )
G: 257x2min ( 8h 34m )
B: 269x2min ( 8h 58m )
Ha: 114x20min ( 38h 0m )
OIII: 95x20 min( 31h 40m )

*Strong horizontal h-alpha gradient was intentionally suppressed to reveal all Ha clouds along all frame without sacrificing dynamic range and contrast.*

Comments

Revisions

  • Final
    Dragon's Egg on the Blue Doily (NGC6164 and NGC6165), Igor Chekalin
    Original
  • Dragon's Egg on the Blue Doily (NGC6164 and NGC6165), Igor Chekalin
    B

B

Title: Starless Version

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Sky plot

Sky plot

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Dragon's Egg on the Blue Doily (NGC6164 and NGC6165), Igor Chekalin