The Dolphin Nebula (SH2-308)
Image Title: The Dolphin Nebula (SH2-308)
Date image was taken: November 19, 2023
Location: Araraquara/SP - Brazil (Bortle 6)
Image Description and Details: The Sharpless 308 (SH2-308) is an emission nebula located in the constellation Canis Major. Known as the "Dolphin Nebula" due to its distinctive shape, it is primarily composed of ionized gas, whose light emission is triggered by the intense ultraviolet radiation from young and hot stars within it. The exact distance of the nebula is not precisely known, but estimates suggest it is approximately 5,200 light-years from Earth. The nebula is an active site of stellar formation, and observations at different wavelengths help understand its structure and properties.
Capture Details
223 frames 100gain 180s offset 50 -5 temp Filter Optolong L-Extreme 2"
60 frames 100gain 60s offset 50 -5 temp Filter Optolong UV/IR Cut 2"
.80Darks
30 DarkFlats
60 Flats
.PixInsight
Photoshop
Equipment Details: Telescope Skywatcher 254mm / f 4.7.
AZEQ6 GT with guiding
.Camera ToupTek ATR3 CMOS 26000 KPA
Baader MPCC Coma Corrector
Copyright: BRUNO ROTA SARGI
Website or Facebook Profile: http://www.astrobin.com/users/brunorota/
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AAPOD2 Title: The Dolphin Nebula (SH2-308)
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