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jshuder | all galleries >> Astrophotography >> Planetary Nebulae > Böhm-Vitense 5-2
(BV 5-2, Sh 2-179)
PN G121.6+00.0
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Böhm-Vitense 5-2
(BV 5-2, Sh 2-179)
PN G121.6+00.0

Böhm-Vitense 5-2 (BV 5-2, Sh 2-179, PK 121+0.1, PN G121.6+00.0) Planetary Nebula in Cassiopeia. Taken
Oct 21, 22, 24, 25, 26 and 27, 2017. Imaged with Starlight Xpress’ SX-825 camera and a Celestron
EdgeHD 9.25 at f10, on a Losmandy G11/Gemini mount. The OIII and H alpha subframes were 20 minutes
binned 1x1, while the RGB subframes were 4 minutes binned 2x2, resulting in the following total
exposures (HA+OIII):(R+Ha):(G+OIII):(B+OIII) (min) = (480+400):(48+480):(48+400):(48+400). This
image is displayed at 0.57 arc-seconds per pixel. Captured with Nebulosity, calibrated, sigma
combined in Iris with other processing using PixInsight LE and Photoshop CS. North is up.

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Sakib 22-Dec-2019 01:17
The structure of this is really weird.