Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  Maia nebula  ·  Merope nebula  ·  NGC 1432  ·  NGC 1435  ·  The star 18Tau  ·  The star Atlas (27Tau)  ·  The star Celaeno (16Tau)  ·  The star Electra (17Tau)  ·  The star Merope (23Tau)  ·  The star Pleione (28Tau)  ·  The star Sterope I (21Tau)  ·  The star Taygeta (19Tau)  ·  The star ηTau
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M45 , 


            Thilo Frey
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Technical card

Imaging telescopes or lenses: Teleskop Service Triplet FPL-53 APO 80/480

Imaging cameras: ZWO Optical ASI1600MM-Cool

Guiding telescopes or lenses: APM APO 107/700

Guiding cameras: Starlight Express Lodestar X2

Focal reducers: TS 2" Flattener

Software: Lightroom CC  ·  Adobe Photoshop CC 2016  ·  Seqence Generator Pro

Filters: ZWO Optical LRBG Filters 1.25" + Filter Wheel

Accessory: QHYCCD Polemaster

Dates:Sept. 10, 2016

ZWO Optical B 1.25": 3x150" -20C bin 2x2
ZWO Optical G 1.25": 3x150" -20C bin 2x2
ZWO Optical R 1.25": 3x150" -20C bin 2x2
ZWO optical UV/IR Cut 1.25": 3x300" -20C bin 1x1

Integration: 0.6 hours

Darks: ~20

Flats: ~25

Bias: ~50

Avg. Moon age: 8.31 days

Avg. Moon phase: 59.82%

Basic astrometry details

Astrometry.net job: 1245097

RA center: 3h 46' 19"

DEC center: +24° 9' 25"

Pixel scale: 1.629 arcsec/pixel

Orientation: -50.230 degrees

Field radius: 1.321 degrees

Resolution: 4656x3520

Locations: Mobile, near Balsthal, SO, Switzerland


First Light with the ASI1600MM-C
Dont ask me whats the green flash on the right side. It is on every Picture, but only on this set, on other sets with he same cam it is not there. Perhaps someone of you has an idea. It was a really dark place so it should not be any straylight.



  • M45 , 


            Thilo Frey
  • Final
    M45 , 


            Thilo Frey

Sky plot

Sky plot


M45 , 


            Thilo Frey