Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  Maia nebula  ·  Merope nebula  ·  NGC 1432  ·  NGC 1435  ·  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 The Pleiades, 


            Chuck Manges
M45 The Pleiades
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M45 The Pleiades

Technical card

Imaging telescopes or lenses: Celestron C1100 Edge HD + Hyperstar

Imaging cameras: QHYCCD qhy23

Mounts: Celestron CGEM DX

Guiding telescopes or lenses: Astro-Tech AT65EDQ 65mm f/6.5 ED quadruplet #2

Guiding cameras: QHY5L-II Mono

Focal reducers: Starzona Hyperstar

Software: PHD guiding  ·  Stark Labs Nebulosity 3.1.0  ·  Adobe Photoshop CS6  ·  APT - Astro Photography Tool

Filters: Baader SII 8nm 36mm  ·  Baader OIII 8,5nm 36mm

Dates:Sept. 13, 2013Nov. 11, 2014

Baader L 36mm: 30x60" bin 1x1
Baader Red, Green, Blue 36mm: 12x300" bin 2x2

Integration: 1.5 hours

Darks: ~20

Flats: ~20

Flat darks: ~20

Avg. Moon age: 13.78 days

Avg. Moon phase: 68.74%

Bortle Dark-Sky Scale: 4.00

Basic astrometry details

Astrometry.net job: 415484

RA center: 3h 46' 48"

DEC center: +24° 1' 12"

Pixel scale: 4.568 arcsec/pixel

Orientation: -76.391 degrees

Field radius: 0.804 degrees

Resolution: 620x784


Pleiades hybrid image. I combined 30x60second images shot with a 11" Celestron EdgeHD/HyperStar & QHY23M through a Baader Luminance filter. I combined this new luminance layer with RGB from last years' effort with a QHY9M & AT65EDQ. New RGB would've been nice, but the forecast shows clouds from now until 2015


Sky plot

Sky plot


M45 The Pleiades, 


            Chuck Manges