Contains: Triangulum galaxy, M 33, NGC 598
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M33 - The Triangulum Galaxy

Technical card

Imaging telescope or lens: Takahashi FSQ-106N FSQ

Imaging camera: QSI 683 wsg-8 QSI

Mount: apt1200gto AP1200

Guiding telescope or lens: Takahashi FSQ-106N FSQ

Guiding camera: QSI 683 wsg-8 QSI

Software: CCD Autopilot 5

Resolution: 3253x2425

Dates: Jan. 24, 2017

Frames: 25x600"

Integration: 4.2 hours

Avg. Moon age: 26.22 days

Avg. Moon phase: 11.91%

Astrometry.net job: 1871730

RA center: 23.467 degrees

DEC center: 30.658 degrees

Pixel scale: 0.438 arcsec/pixel

Orientation: 108.386 degrees

Field radius: 0.247 degrees

Locations: ImagingInfinity Observatory, Bethune, SC, United States

Description

M33 is one of four other galaxies which, along with our own Milky Way galaxy, make up what is known as the "Local Group." On very dark nights, it can be glimpsed with the naked eye by experienced observers and covers an area almost four times the size of the full moon.

M33 has long been known to astronomers, being first cataloged before 1654 and later "re-discovered" by Charles Messier in 1764. Due to its apparent size and proximity, 3 million light-years (just next door in galactic terms!), it has been thoroughly studied and mapped. Several very large HII regions of star formation have been cataloged, along with 112 variable stars, 4 novae, 25 Cepheid variable stars, and a large X-ray source.

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Author

Hap Griffin
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M33 - The Triangulum Galaxy, 




    

        Hap Griffin