NGC 7635: THE BUBBLE NEBULA (Theodore Arampatzoglou)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble Nebula · NGC 7635

Image of the day 03/23/2014

NGC 7635: THE BUBBLE NEBULA, Theodore Arampatzoglou

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NGC 7635: THE BUBBLE NEBULA

Link: http://arasteo.blogspot.gr/

Image of the day 03/23/2014

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NGC 7635: THE BUBBLE NEBULA

Link: http://arasteo.blogspot.gr/

NGC 7635, also called the Bubble Nebula and Sharpless 162, is a H II region[2] emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7[2] magnitude young central star, the 15 ± 5 M☉[4] SAO 20575 (BD+60 2522).[7] The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow.[7] It was discovered in 1787 by Friedrich Wilhelm Herschel.[6] The star SAO 20575 or BD+602522 is thought to have a mass of 10-40 Solar masses.

Tricolor Emission Line Image

Instruments and exposure data:

W.O FLT110 with dedicated TMB field flattener

FeatherTouch 3'' focuser

Starizona MicroTouch autofocuser

W.O ZS80 ED

SBIG ST10XME CFW9

Meade DSI

Filters:

SII 8nm Baader Planetarium

Ha 5nm Astrodon

OIII 8.5nm Baader Planetarium

Sky-Watcher EQ6 Pro

SII :26*10min bin1x1

Ha :20*10min bin1x1

OIII:24*10min bin1x1

Total exposure time:11h40min

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Astrometry.net job	3528841
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Image of the day 03/23/2014

NGC 7635: THE BUBBLE NEBULA

Image of the day 03/23/2014

NGC 7635: THE BUBBLE NEBULA

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Image of the day 03/23/2014

NGC 7635: THE BUBBLE NEBULA

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NGC 7635: THE BUBBLE NEBULA

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