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Beta Monocerotis, 



    
        

            Steven Bellavia

Beta Monocerotis

Technical card

Imaging telescopes or lenses: TS-Optics PHOTOLINE 115 mm F7 triplet apo

Imaging cameras: ZWO ASI533MC Pro

Mounts: Sky-Watcher EQ-6R Pro SynScan

Guiding telescopes or lenses: The Bellavia Basic 50mm f/6 guidescope

Guiding cameras: ZWO ASI 290MC

Software: Registax 6  ·  SharpCap Pro 3.2  ·  PHD2 Guiding  ·  Autostakkert! autostakker 2.6

Filters: Astronomik L2 UV/IR Cut

Accessory: TS-Optics TS FLAT 2,5"


Dates:Jan. 2, 2021

Frames:Astronomik L2 UV/IR Cut: 300x1" (gain: 200.00) -5C bin 1x1

Integration: 0.1 hours

Avg. Moon age: 18.07 days

Avg. Moon phase: 88.13%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 18.00

Mean FWHM: 4.00


Basic astrometry details

Astrometry.net job: 4131695


Resolution: 1920x1920

Data source: Traveller

Description

Beta Monocerotis is a triple star system in the constellation of Monoceros. To the naked eye, it appears as a single star with an apparent visual magnitude of approximately 3.74, making it the brightest visible star in the constellation. A telescope shows a curved line of three pale blue stars. William Herschel who discovered it in 1781 commented that it is "one of the most beautiful sights in the heavens". It is approximately 700 light years away. Beta Monocerotis is classified as a variable star, although it is unclear which of the three components causes the brightness changes. The magnitude range is given as 3.77 to 3.84 in the Hipparcos photometric band.

Comments

Histogram

Beta Monocerotis, 



    
        

            Steven Bellavia