IC405 and IC410 (Yuichi Kawamoto)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: Flaming Star nebula · IC 405 · IC 410 · IC 417 · M 38 · NGC 1893 · NGC 1907 · NGC 1912 · The star 14Aur · The star 16Aur · The star 19Aur · The star φAur

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IC405 and IC410

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IC405 and IC410

An experimental attempt of multi step exposures to maintain center star saturation for both crominance and luminance. While it would need further improvement to enhance star colors by adding chrominance obtained from shorter exposures with the main camera, during exposure experiments with main camera, DSLR was able to continuously take nebula details, then apparently nebula colors were successfully enriched, despite of shorter length of exposure of luminance.

Detailed acquisition information is as follows:

[Exposure Time]

Nov.4, Nov.26 and Dec.23 2016

L Images:

2 secs x 10 frames

10 secs x 10 frames

60 secs x 10 frames

300 secs x 21 frames

total exposure 117 minutes.

RGB Images(nebula):

140 secs x 210 frames

total exposure 490 minutes

RGB Images(stars):

for each RGB filters:

2 secs x 10 frames

10 secs x 10 frames

60 secs x 10 frames

300 secs x 3 frames

total exposure 81 minutes

Total exposure time: 688 minutes

[Equipment]

Equipment for L:

Borg 67FL + 7108 reducer, fl324mm F4.8

QHYCCD QHY16200A mono, -20 degrees Celsius, binx1

HEUIB-II + TS Optics L Filter

Equipment for RGB(nebula):

Borg 55FL + 7880 reducer, fl200mm F3.6

Cannon EOS Kiss X4 (IR modified), ISO1600

HEUIB-II Filter

Equipment for RGB(stars):

Borg 67FL + 7108 reducer, fl324mm F4.8

QHYCCD QHY16200A mono, -20 degrees Celsius, binx1

HEUIB-II + TS Optics RGB Filter

Common Equipment:

Mount: iOptron CEM60

Guiding Telescope: Takahashi GT-40

Guiding Camera: QHYCCD QHY-5IIL

Capturing Software: APT Version 3.12

Guiding Software: PHD2 Version 2.61

Processing Software: PixInsight 01.08.04.1195

Photoshop CC

20200229 recovery from data loss: the full size image not available. To be updated after reproduction.

Original
B
Final
C

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	1392959
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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IC405 and IC410

IC405 and IC410

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IC405 and IC410

IC405 and IC410

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