M33 Triangulum Galaxy #8 (Molly Wakeling)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: IC 131 · IC 132 · IC 133 · IC 135 · IC 136 · IC 137 · IC 142 · IC 143 · M 33 · NGC 588 · NGC 592 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel

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M33 Triangulum Galaxy #8

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M33 Triangulum Galaxy #8

M33, the Triangulum Galaxy! Shot over the last month from my backyard near Berkeley, CA. It's located 2.73 million lightyears away in the constellation Triangulum, above Aries and below Andromeda. It only has a tenth of the number of stars that the Milky Way does, and is 60,000 lightyears across. It is home to some gorgeous, enormous emission nebulae, as well as at least 54 globular clusters, and possibly more.

To image through thick light pollution, you need a lot of subs! I originally had 214 with good tracking and good transparency, and 145 were selected by their star shape and size to get the best-looking image. It's still a total of 12 hours of exposure time!

Details:

Date: 28 November, 3, 4, 6, 7, 8, 9, 10, 14, 15, 17, 18 December 2020

Location: East Bay area backyard, CA

Object: M33 Triangulum Galaxy

Attempt: 8

Camera: ZWO ASI1294MC Pro

Telescope: Takahashi FSQ-106N

Accessories: ZWO EAF focuser, Astronomik CLS-CCD 1.25-inch filter

Mount: Celestron AVX

Guide scope: Orion 50mm guidescope

Guide camera: QHY5

Subframes: 145x300s (12h5m)

Gain/ISO: 139

Acquisition method: Sequence Generator Pro

Stacking program: PixInsight 1.8.8-7

Post-Processing program: PixInsight 1.8.8-7

Darks: 100

Biases: 0

Flats: 50

Temperature: -15C, -20C

Women Astrophotographers
Broadband under Bortle 7/8/9

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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.
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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	4117497
PixInsight job	I8URFY3G2O2HEJIZAIK7ZCWPT8NISBUJ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h33m47s.81
RA (top/left)	01h29m27s.30
RA (top/right)	01h29m36s.55
RA (bottom/right)	01h38m05s.21
RA (bottom/left)	01h38m02s.54

Dec (center)	+30°38′39″.6
Dec (top/left)	+31°16′33″.0
Dec (top/right)	+29°58′22″.1
Dec (bottom/right)	+30°00′19″.3
Dec (bottom/left)	+31°18′28″.1

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M33 Triangulum Galaxy #8

M33 Triangulum Galaxy #8

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M33 Triangulum Galaxy #8

M33 Triangulum Galaxy #8

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