Bubble Nebula and Friends SHO Askar 400 (Brandon Tackett)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 2 Cas · 4 Cas · Bubble Nebula · HD218997 · HD219286 · HD219287 · HD219460 · HD219634 · HD219854 · HD220016 · HD220056 · HD220057 · HD220074 · HD220102 · HD220130 · HD220147 · HD220167 · HD220180 · HD220369 · HD220760 · HD220770 · HD220819 · HD240233 · HD240244 · HD240245 · HD240248 · HD240250 · HD240252 · HD240253 · HD240255 · And 40 more.

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Bubble Nebula and Friends SHO Askar 400

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Bubble Nebula and Friends SHO Askar 400

A fun capture with the 280 mm FL on a couple of clear nights with poor seeing. While it was not best nights, this was the beauty of the grab and go set up. I find that the 294 MM at the smaller pixel size 2.3 um compared to the ASI 1600's 3.76 provides better sampling and detail.

The bubble nebula is a large hydrogen emission nebula in the constellation of Cassiopeia approximately 11,000 light years from earth. The nebula is formed by a large molecular cloud measuring approximately 10 light years across. The bubble is caused by a large young hot burning star in the center (10-40 solar masses) that's solar winds evacuated the gas surrounding it.

The Lobster claw nebula is a hydrogen emission nebula in the constellation of Cassiopeia approximately 11,000 light years from earth. The Also in field the more famous bubble nebula in the upper right.

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Description: Increase SCNR

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Central USA

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Status	Advanced success
Started	...
Astrometry.net job	6571918
PixInsight job	M1OBT5MUA6YN8PDKTMQEL7HOTBA1DBXE
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h17m56s.40
RA (top/left)	23h26m08s.45
RA (top/right)	23h27m42s.43
RA (bottom/right)	23h08m46s.54
RA (bottom/left)	23h09m08s.42

Dec (center)	+60°47′58″.2
Dec (top/left)	+59°02′16″.4
Dec (top/right)	+62°28′40″.3
Dec (bottom/right)	+62°31′37″.4
Dec (bottom/left)	+59°04′52″.3

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Bubble Nebula and Friends SHO Askar 400

Bubble Nebula and Friends SHO Askar 400

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Bubble Nebula and Friends SHO Askar 400

Bubble Nebula and Friends SHO Askar 400

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