LBN 437 Gecko Nebula in SH2-126, the Great Lacerta Nebula (Mark Wetzel)

Celestial hemisphere: Northern · Constellation: Lacerta (Lac)

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LBN 437 Gecko Nebula in SH2-126, the Great Lacerta Nebula

Powered byPixInsight

LBN 437 Gecko Nebula in SH2-126, the Great Lacerta Nebula

Casitas de Gila, Gila, NM, October 8 - 11, 2023

LBN 437, the Gecko or Lizard, is a molecular cloud in the constellation Lacerta (the Lizard!). In the background is a small portion of the red hydrogen emission region known as the Great Lacerta nebula that is illuminated by intense UV radiation from the star 10 Lac. SH2-125/LBN 437 are about 1200 light years from Earth.

Imaging details:

Stellarvue SVX102T refractor with 0.74x focal reducer (FL = 528mm, f/5.2)
ZWO large off-axis guider with a ZWO ASI 174MM mini guide camera
Losmandy G11 mount with Gemini 2
ZWO ASI 2600MM Pro cooled monochrome camera (-10C)
Chroma 36mm Hydrogen-alpha, Luminance, Red, Green, and Blue filters
Equatorial camera rotation: 0 degrees

Software:   Sequence Generator Pro, ASTAP plate solving, PHD2 guiding,
   Losmandy Gemini ASCOM mount control and web client interface,
   SharpCap Pro for polar alignment with a Polemaster camera,
   PixInsight 1.8.9-2,
   Photoshop 2024

Hydrogen-a 10 min x 22 subframes (220 min), Gain 100, Offset 32, 1x1 binning
Luminance 2 min x 111 subframes (222 min), Gain 100, Offset 32, 1x1 binning
Red 4 min x 27 subframes (108 min), Gain 100, Offset 32, 1x1 binning
Green 4 min x 27 subframes (108 min), Gain 100, Offset 32, 1x1 binning
Blue 4 min x 24 subframes (96 min), Gain 100, Offset 32, 1x1 binning

Total integration time: 12.6 hours

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	Distinct awarded users	Total awarded images
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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	...
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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LBN 437 Gecko Nebula in SH2-126, the Great Lacerta Nebula

LBN 437 Gecko Nebula in SH2-126, the Great Lacerta Nebula

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LBN 437 Gecko Nebula in SH2-126, the Great Lacerta Nebula

LBN 437 Gecko Nebula in SH2-126, the Great Lacerta Nebula

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