Melotte 15 (SHO) (Linda)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1805 · LBN 654 · LDN 1366 · LDN 1368 · LDN 1369 · Sh2-190

Powered byPixInsight

Melotte 15 (SHO)

Link: https://lindasastronomyadventures.space/2021/10/31/melotte-15-sho/

Powered byPixInsight

Melotte 15 (SHO)

Link: https://lindasastronomyadventures.space/2021/10/31/melotte-15-sho/

Melotte 15 is the open cluster at the center of the Heart Nebula but really it's the nebula that is still the, um, star here. So maybe this should be called, "The Center of IC 1805" or more poetically, "The Heart of the Heart". Whatever one calls it, it's a beautiful bit o' nebula. My spouse who not only tolerates but supports my obsession though not sharing it has become familiar enough with these things to look at this and say, "Isn't that the one on the shower curtain?" That was a reference to Messier 16, which is, indeed on our shower curtain. And the similarity is certainly there!

Data was acquired from 14 to 29 October 2021. Smoke out west marred a good chunk of this. We ended up gathering twice as much data as I ultimately used.

But, enough about that, here's how this was processed:

S, H and O masters:
dynamic crop
deconvolution
star Xterminator (extracting stars)
histogram transformation
tgv denoise

SHO:
channel combination (SHO)
histogram transformation (to align peaks)
channel combination in lum
pixel math in stars

stars:
channel combination (SHO)
histogram transformation

lum:
used copy of starless H as luminance
LHE (2 scales)
MLT sharpening
curves (contrast)

LGBTQIA+ Astrophotographers
Women Astrophotographers
Cloudy Nights
AstroBin Platform open discussions community forum
N.I.N.A. Users
NOVAC

SRO Planewave CDK14

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	Advanced success
Started	...
Astrometry.net job	5167424
PixInsight job	CGNQO9B4382241KQDFPVNMOX9T23BDVH
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h34m44s.672
RA (top/left)	02h37m46s.296
RA (top/right)	02h37m35s.405
RA (bottom/right)	02h31m38s.374
RA (bottom/left)	02h31m58s.413

Dec (center)	+61°32′28″.22
Dec (top/left)	+61°09′06″.48
Dec (top/right)	+61°57′11″.72
Dec (bottom/right)	+61°55′34″.44
Dec (bottom/left)	+61°07′32″.14

Image Index:

Contribution Index (beta):

Melotte 15 (SHO)

Melotte 15 (SHO)

Equipment

Acquisition details

Description

Comments

Acquired at

Sky plot

Histogram

In these public groups

In these collections

		...
You have no new notifications.

Image Index:

Contribution Index (beta):

Melotte 15 (SHO)

Melotte 15 (SHO)

Equipment

Acquisition details

Description

Comments

Acquired at

Sky plot

Histogram

In these public groups

In these collections

Notifications

AstroBin is in READ ONLY mode

Sorry :-(

Sorry :-(

Sorry :-(

Are you really sure?

Warning!

Warning!

Are you sure?

Report abuse

Slideshow settings

IOTD/TP stats (last [x] days)

Distribution of astrophotographers

Distribution of subject types

Distribution of data sources

Sorry

Sorry

Share

Upload new revision

Upload uncompressed source (XISF/FITS/PSD/TIFF)

Delete image and all its revisions?

Delete original image?

Delete all other versions?

Delete all revisions?

IOTD/TP stats

The following people like this image

The following people bookmarked this image

Warning

Flag malfunctioning thumbnails

Contains

Remove yourself as a collaborator

Plate-solving information