NGC 7023 / LBN 487 - The Iris Nebula in LRGB (CrestwoodSky)

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

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NGC 7023 / LBN 487 - The Iris Nebula in LRGB

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NGC 7023 / LBN 487 - The Iris Nebula in LRGB

This image was taken over five hours during the night of July 18-19, 2023 with an ASI2600mm Pro through an Astro Tech 80ED on an EQ6-R Pro.

The image comprises:

L: 22 x 180s
R: 20 x 180s
G: 20 x 180s
B: 20 x 180s

Total integration time was eight hours and six minutes. The image was processed in Pixinsight and tweaked in Photoshop.

July and August mark Monsoon Season here in Arizona, which drastically reduces the opportunities for imaging. Also, the high nighttime temperatures (it was 100 degrees when I started and 88 degrees outside when the session was finished) create additional complications. However, the clouds and haze parted over Pinal County on Tuesday night and I made the most of it. I would have liked to get more L data, but the weather forecast does not seem favorable to imaging, so I will live with what I have.

I had tried imaging the Iris over several nights last year, but wasn't happy with the results. This year's mini-marathon session was somewhat more successful, I think.

Imaged with APT
Arizona Astrophotographers
ZWO ASI2600MM Pro
The refractors!
Cloudy Nights

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Basic success
Started	...
Astrometry.net job	8080532
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 7023 / LBN 487 - The Iris Nebula in LRGB

NGC 7023 / LBN 487 - The Iris Nebula in LRGB

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NGC 7023 / LBN 487 - The Iris Nebula in LRGB

NGC 7023 / LBN 487 - The Iris Nebula in LRGB

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