Question Mark Nebula, NGC7822 (jewzaam)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: LBN 580 · LBN 581 · LBN 582 · LBN 583 · LBN 584 · LBN 586 · LBN 587 · LBN 588 · LBN 589 · LDN 1264 · LDN 1266 · LDN 1267 · LDN 1268 · LDN 1269 · LDN 1270 · LDN 1271 · LDN 1273 · LDN 1275 · NGC 7762 · NGC 7822 · PK119+06.1 · Sh2-171

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Question Mark Nebula, NGC7822

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Question Mark Nebula, NGC7822

In September I received my first monochrome camera, the ASI2600MM Pro. I wanted to try things out on a target that would be up all night so I found NGC7822. What started as a test target on something I hadn't heard about turned into a reasonably big (for me) side project.

This DSO has some very interesting structure. And when I learned a common name is "Question Mark Nebula" I just had to give it a shot. I initially built a 3 panel mosaic in Ha to frame the whole thing but I couldn't leave it alone! So I set out to fill in S2 and O3 while capturing data for other projects. All while learning about the monochrome world and tuning my setup to address all the new problems that cropped up.

I haven't done this object justice with only 3 hours each filter on each panel. In fact, ultimately I tossed the 3rd panel which has the "dot" for the question mark since the data was not as good as the rest of the panels. But what I salvaged looks cool to me and I hope to spend some more time on it next season with more experience under my belt.

Original
B
C
D
Final
E

C

Description: Bottom panel is troublesome but I think it'll require more data to fix. Not willing to do that right now so it is what it is for now.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	5339360
PixInsight job	G0R50NW2XDHZ5G21HT5CWWM5CX6X3LWI
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h01m44s.20
RA (top/left)	00h18m26s.63
RA (top/right)	23h45m22s.10
RA (bottom/right)	23h47m22s.99
RA (bottom/left)	00h15m47s.30

Dec (center)	+67°28′22″.7
Dec (top/left)	+69°12′29″.1
Dec (top/right)	+69°14′13″.9
Dec (bottom/right)	+65°39′05″.10
Dec (bottom/left)	+65°37′56″.0

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Question Mark Nebula, NGC7822

Question Mark Nebula, NGC7822

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C

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Image Index:

Contribution Index (beta):

Question Mark Nebula, NGC7822

Question Mark Nebula, NGC7822

Equipment

Acquisition details

Description

Comments

Revisions

C

Sky plot

Histogram

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