IC1805 - Heart Nebula SHO (2022) (Kirk)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1795 · IC 1805 · IC 1831 · NGC 1027 · NGC 896

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IC1805 - Heart Nebula SHO (2022)

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IC1805 - Heart Nebula SHO (2022)

Object: IC1805 – The Heart Nebula SHO (2022)
The Heart Nebula, IC 1805, Sh2-190, lies some 7500 light years away from Earth and is located in the Perseus arm of the Galaxy in the constellation Cassiopeia. This is an emission nebula composed of glowing gases (ionized hydrogen, sulfur and oxygen) and darker cold dust lanes. The nebula is shape and illumination are produced by a central star cluster known as Melotte 15 aka Collinder 26.
Details:
- Acquisition Date: 11/23/2022 to 11/24/2022
- Location: Western Massachusetts, USA
- Imaging Camera: QHY600PH-M -10°C - Mode 1(High Gain) Offset:15 Gain:56
- Telescope: Takahashi FSQ106 EDXIII @ f/5 (530mm focal length - 106mm aperture)
- Mount: Astro-Physics AP1100 w/GTO4
- Guide scope: Celestron Off Axis Guider
- Guide Camera: ASI174m mini
- Software: Adobe Photoshop CS5, Sequence Generator Pro, PixInsight 1.8 Ripley, Aries Astro Pixel Processor

Filters:
- Chroma Ha 3nm 50mm
- Chroma OIII 3nm 50mm
- Astrodon SII 3nm 50mm

Exposure Times:
- Hydrogen Alpha (Ha): 30 x 10min. (300min) bin 1x1
- Oxygen III (OIII):30 x 10min. (300min) bin 1x1
- Sulfur II (SII):25 x 10min. (250min) bin 1x1

Total Exposure:610min. (14.17hrs)

Sky Quality:
-Magnitude: 19.71
-Bortle Class 5
-1.41 mcd/m^2 Brightness
-1234.6 ucd/m^2 Artificial Brightness

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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	6687765
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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IC1805 - Heart Nebula SHO (2022)

IC1805 - Heart Nebula SHO (2022)

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IC1805 - Heart Nebula SHO (2022)

IC1805 - Heart Nebula SHO (2022)

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