sh2-129 : Squid Nebula in Cepheus with new camera - HO with RGB stars (Daniel.P)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD201344 · HD201429 · HD202214 · HD202380 · HD203534 · HD203551 · HD203574 · HD239582 · HD239605 · HD239618 · HD239626 · LBN 445 · LBN 449 · LBN 453 · PGC 165873 · PGC 167712 · PGC 167721 · PGC 167781 · PGC 167787 · PGC 167789 · PGC 167790 · PGC 167791 · PGC 167792 · PGC 3096611 · PGC 66550 · PGC 97235 · Sh2-129

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sh2-129 : Squid Nebula in Cepheus with new camera - HO with RGB stars

Revision title: Re Processed 2023

Powered byPixInsight

sh2-129 : Squid Nebula in Cepheus with new camera - HO with RGB stars

Revision title: Re Processed 2023

This image was acquired with our new camera a ZWO ASI2600mm pro.
Combined with the 3nm OIII filter and 10 mn sub-exposures, a better result was obtained in only 1/5th of the exposure time dedicated to this object last year with an ASI1600mm !

The camera displays both better QE of 90% peak (vs 60% for the ASI1600) and a very low dark current (10 x less than the 1600 at equal temperature).

This 2 panel mosaic was acquired during the night of 6, 7, 8, 9, 10, 11 & 12 of October 2021.

The signal level of the faintest OIII areas around the Squid itself, including over the Ha nebula, is approximately 1 e-/hour.

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Title: Re Processed 2023

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Status	Advanced success
Started	...
Astrometry.net job	8857065
PixInsight job	PNPG8N2N3FXLAFDNG73T8KQ9P6DSFBXB
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h12m54s.37
RA (top/left)	21h04m47s.94
RA (top/right)	21h05m11s.25
RA (bottom/right)	21h20m28s.32
RA (bottom/left)	21h21m10s.26

Dec (center)	+59°58′32″.6
Dec (top/left)	+61°05′56″.6
Dec (top/right)	+58°50′21″.8
Dec (bottom/right)	+58°49′25″.4
Dec (bottom/left)	+61°04′55″.4

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sh2-129 : Squid Nebula in Cepheus with new camera - HO with RGB stars

Revision title: Re Processed 2023

sh2-129 : Squid Nebula in Cepheus with new camera - HO with RGB stars

Revision title: Re Processed 2023

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sh2-129 : Squid Nebula in Cepheus with new camera - HO with RGB stars

Revision title: Re Processed 2023

sh2-129 : Squid Nebula in Cepheus with new camera - HO with RGB stars

Revision title: Re Processed 2023

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