The Cosmic Question Mark (4 panel Mosaic_ (James R Potts)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: LBN 577 · LBN 580 · LBN 581 · LBN 582 · LBN 583 · LBN 584 · LBN 585 · LBN 586 · LBN 587 · LBN 588 · LBN 589 · LBN 590 · LDN 1260 · LDN 1263 · LDN 1264 · LDN 1266 · LDN 1267 · LDN 1268 · LDN 1269 · LDN 1270 · LDN 1271 · LDN 1273 · LDN 1275 · NGC 7762 · NGC 7822 · Sh2-170 · Sh2-171 · VdB2

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The Cosmic Question Mark (4 panel Mosaic_

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The Cosmic Question Mark (4 panel Mosaic_

This was 3 nights of fun but frustrating imaging. Seeing was extremely poor at times resulting in bad tracking and lots of deleted exposures, but I learned a lot about using some reframing functions on the ASIAir pro. Plus we had intermittent cloud cover that ruined several frames. I should of had over 20 hours of data, but ended up with just under 11 hours. This was the first time I experienced really bad seeing while imaging and I had no idea it could screw up your tracking and stars so badly. Luckily, all three nights, the seeing gradually got better during the night and so did tracking. This was stacked using APP's mosaic function and then the HSO images were combined using APP's RGB combine (SHO palette).

This is actually 3 different emission nebulas in an area of lots of nebulosity and other named objects, including several planetary nebula. The 2 main nebulas NGC 7822 & CB 214 (aka SH2-171)are about 3,000 light years away which includes star forming area similar to that of the Pillars of Creation.

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Nebulas

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Status	Advanced success
Started	...
Astrometry.net job	5341353
PixInsight job	CO6QOA7TPYN2M7ZRCE3U2ZOVOIFZ18IV
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h01m49s.75
RA (top/left)	00h20m06s.73
RA (top/right)	23h42m57s.66
RA (bottom/right)	23h46m50s.59
RA (bottom/left)	00h17m25s.73

Dec (center)	+66°36′46″.4
Dec (top/left)	+68°55′25″.8
Dec (top/right)	+68°52′35″.7
Dec (bottom/right)	+64°12′25″.6
Dec (bottom/left)	+64°14′20″.7

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The Cosmic Question Mark (4 panel Mosaic_

The Cosmic Question Mark (4 panel Mosaic_

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