Celestial hemisphere:  Southern  ·  Constellation: Virgo (Vir)  ·  Contains:  M 104  ·  NGC 4594  ·  Sombrero Galaxy
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M104, 76 hours of integration, under the city sky, Igor Chekalin
M104, 76 hours of integration, under the city sky
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M104, 76 hours of integration, under the city sky

Getting plate-solving status, please wait...
M104, 76 hours of integration, under the city sky, Igor Chekalin
M104, 76 hours of integration, under the city sky
Powered byPixInsight

M104, 76 hours of integration, under the city sky

Equipment

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Acquisition details

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Description

76 hours 26 minutes of exposure, taken between March 2022 and June 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 ZWO RGB.

Only 30% of best frames by stars FWHM were used for most of bright parts (darkest background was taken from total sum and overlayed with strong inverted light mask)

LRGB composition (almost 63 hours of L, the rest is RGB)
L: 1888 x 2min ( 62h 56m )
R: 141 x 2min ( 4h 42m )
G: 135 x 2min ( 4h 30m )
B: 129 x 2min ( 4h 18m )

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M104, 76 hours of integration, under the city sky, Igor Chekalin