NGC7822 Mosaic 4x4 Ha 2x2 OIII and SII (Cyrill Durrer)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD223670 · HD224826 · HD225136 · HD225216 · 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 · Sh2-171

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NGC7822 Mosaic 4x4 Ha 2x2 OIII and SII

Revision title: NGC7822 new Version

Powered byPixInsight

NGC7822 Mosaic 4x4 Ha 2x2 OIII and SII

Revision title: NGC7822 new Version

The main reason why I bought a C9.25 was the idea to capture nebulae as a mosaic to massively improve the quality of the objects. Here is my first project with NGC7822. Ha was taken with the C9.25 and the ASI2600MM as 4x4 mosaic, OIII and SII were taken with the APO140 at 730mm and ASI294MM as 2 x 2 mosaic. Total integration time is more than 90h. The original stacks have a resolution of 22'000 x 18'000 pixels, are 2GB in size. Since the processing brought my computer to the limit, and by the resample one can improve the signal anyway massively, here now the version with great 6'500 x 8'000 pixels.
In total I spent around 9 nights with C9.25 and 10 nights with the APO140 to get all the data. Weather was absolut awesome in March for a project like this.
Because of that many nights, I just putted in the start date and end date in the details for capturing.

Original
Final
B

B

Title: NGC7822 new Version

Description: Reprocessing of the same data, taking much more care of the stars and lower resolution with more clarity

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Status	Advanced success
Started	...
Astrometry.net job	6919557
PixInsight job	KCEFJ0A5HZCUV0M1JB9ZVNLTMXCERVI9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h58m29s.79
RA (top/left)	00h06m30s.52
RA (top/right)	23h48m14s.10
RA (bottom/right)	23h51m11s.67
RA (bottom/left)	00h07m56s.41

Dec (center)	+67°34′52″.3
Dec (top/left)	+68°42′41″.2
Dec (top/right)	+68°32′34″.9
Dec (bottom/right)	+66°25′25″.6
Dec (bottom/left)	+66°34′47″.10

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NGC7822 Mosaic 4x4 Ha 2x2 OIII and SII

Revision title: NGC7822 new Version

NGC7822 Mosaic 4x4 Ha 2x2 OIII and SII

Revision title: NGC7822 new Version

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NGC7822 Mosaic 4x4 Ha 2x2 OIII and SII

Revision title: NGC7822 new Version

NGC7822 Mosaic 4x4 Ha 2x2 OIII and SII

Revision title: NGC7822 new Version

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