Iris Nebula (Jay Sanchez)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: Iris Nebula · NGC 7023

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Iris Nebula

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Iris Nebula

It is the largest quantity of frames I've ever exposed for a single object so far (I'm a beginner) - 177 frames at 105s. It's the middle of summer here in SE USA and my sensor temps these 3 nights were approaching 100 degrees F. I limited my exposure duration to 105s - anymore and my frames came out red/orange and blown out. There was a 25s pause in between frames to allow the dSLR sensor to cool. During the cooler months I routinely expose for 300s.

Original
B
Final
C

B

Description: About one year later, this time with a dedicated astro camera instead of a modded dSLR

Uploaded: ...

C

Description: added more subs, different processing (starnet to remove stars and process stars and the nebula separately), HDRMT

stack of 68 subs @ 300s each, 120g, -10c, 294mc

Uploaded: ...

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Status	Basic success
Started	...
Astrometry.net job	4648285
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Iris Nebula

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