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jshuder | all galleries >> Astrophotography >> Planetary Nebulae > Cannon 3-1 (CN 3-1)
PN G038.2+12.0
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Cannon 3-1 (CN 3-1)
PN G038.2+12.0

Cannon 3-1 (CN 3-1, PN G038.2+12.0, PK 038+12.1) Planetary Nebula in Ophiuchus. Taken June 21, 22,
23, 30 and July 1, 2019. Imaged with Starlight Xpressí SX-825 camera and a Celestron EdgeHD 9.25 at
f10, on a Losmandy G11/Gemini mount. The H alpha subframes were 5, 7 and 10 minutes binned 1x1 and the
OIII subframes were 10 and 12 minutes binned 1x1, while the RGB subframes were 4 minutes binned 2x2,
resulting in the following total exposures L:R:G:B = (HA+OIII):(R+Ha):(G+OIII):(B+OIII) (min) =
(171+208):(48+171):(48+208):(48+208). Captured with Nebulosity, calibrated, sigma combined in Iris
with other processing using PixInsight LE and Photoshop CS. North is up.

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