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Contains:  IC 353, Merope nebula, NGC 1435, Maia nebula, NGC 1432, The star Pleione (28Tau), The star Atlas (27Tau), The star ηTau, The star Merope (23Tau), The star Sterope I (21Tau), The star Taygeta (19Tau), The star 18Tau, The star Electra (17Tau), The star Celaeno (16Tau)
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M45 Pleiades Cluster

Technical card

Resolution: 4033x4033

Dates:Sept. 29, 2019

Astrodon Tru-Balance Generation 2 E-Series - B: 4x600" bin 2x2
Astrodon Tru-Balance Generation 2 E-Series - G: 4x600" bin 2x2
Astrodon Tru-Balance Generation 2 E-Series - L: 8x600" bin 1x1
Astrodon Tru-Balance Generation 2 E-Series - R: 4x600" bin 2x2

Integration: 3.3 hours

Avg. Moon age: 0.85 days

Avg. Moon phase: 0.82% job: 2983164

RA center: 3h 46' 8"

DEC center: +24° 8' 31"

Pixel scale: 3.489 arcsec/pixel

Orientation: 357.551 degrees

Field radius: 2.764

Locations: RainbowAstro Remote Observatory (DarkSky Newmexico), Animas, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Telescope : Takahashi FSQ-106ED (D:106mm, fl:530mm)
CCD : SBIG STX-16803
Mount : RainbowAstro RST-135
Filters : Astrodon 50mm square LRGB
OAG : Astrodon MOAG
Guide CCD : ZWO ASI120mm mini
Exposure : L 600s x 8(1x1bin), RGB each 600s x 4(1x1bin) total 3h 20m
Location : RainbowAstro Remote Observatory @ NewMexico (Dark Sky NewMexico)

I visited DSNM a few weeks ago and installed the RST-135 mount. There is no reason not to use counter weights in the remote observatory, but I did not install it to test the mount. That gave me room for my narrow observatory. And I no longer hit my head on the counter weight. :)
The weight of the CCD set is 5kg. The total weight of the mounted equipment is 13 kg. Sorry to the tiny RST-135 mount. LOL



Byoungjun Jeong






Sky plot

Sky plot


M45 Pleiades Cluster, 


            Byoungjun Jeong